Rockford Fosgate Stereo Amplifier 53x User Guide

®
®
c a r a u d i o for  
f a n a t i c s  
390 Watt Amplifier  
5-channel w/crossovers  
   
I n s t a l l a t i o n  a n d  O p e r a t i o n  
      
   
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TA B L E O F C O N T E N T S  
Introduction ............................................................................................. 1  
Accessory Pack ........................................................................................ 1  
Technical Design Features ....................................................................... 1  
5.3x Design Features ................................................................................ 5  
Installation Considerations ....................................................................... 7  
Mounting Location ................................................................................... 8  
Battery and Charging................................................................................ 9  
Wiring the System .................................................................................... 9  
Using Passive Crossovers ....................................................................... 11  
Table of Crossover Component Values ................................................... 12  
Using the XCard ..................................................................................... 13  
Customizing the XCard .......................................................................... 13  
Resistor Chart ......................................................................................... 14  
XCard Access ......................................................................................... 15  
Using the Signal Switching Network ...................................................... 16  
5.3x Installation ..................................................................................... 24  
System Diagrams.................................................................................... 28  
Troubleshooting ..................................................................................... 32  
Dynamic Power Measurements .............................................................. 35  
Specifications ......................................................................................... 37  
Warranty Information ............................................................................. 39  
International Information ........................................................................ 40  
G ETTI N G STARTED  
Welcome to Rockford Fosgate! This manual is designed to provide  
information for the owner, salesperson and installer. For those of you  
who want quick information on how to install this product, please turn  
to the Installation Section of this manual or refer to the icons listed  
below. Other information can be located by using the Table of Contents.  
We, at Rockford Fosgate, have worked very hard to make sure all the  
information in this manual is current. But, as we are constantly finding  
new ways to improve our product, this information is subject to change  
without notice.  
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Sections marked  
INSTALLATION  
include “slam dunk”  
wiring connections  
Sections marked  
ADVANCED OPERATION  
include in-depth  
Sections marked  
TROUBLESHOOTING  
include recommendations  
for curing  
technical information  
installation problems  
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I N T R O D U C T I O N  
The RF 5.3x is a 5-channel amplifier with four stereo channels and a single  
bridged/mono channel for accommodating “single amplifier” system  
designs at a competitive price. Since this manual provides information on  
the features, installation and operation of the Rockford Fosgate 5.3x  
amplifier, we suggest you save it for future reference.  
We strongly recommend you have your Authorized Rockford Fosgate  
Dealer install your new Rockford Fosgate amplifier. If you do choose to  
install your amplifier yourself, please be sure to read the entire manual  
before beginning.  
ACCESSO RY PACK  
Installation & Operation Manual  
(1) Fuseholder  
(1) ATC 30 Amp Fuse  
(1) 3/32" Allen Wrench  
TECH NICAL DESIGN FEATURES  
TRANS• ANA  
(TRANSconductance Active Nodal Amplifier)  
The TRANS• ANA (TRANSconductance Active Nodal Amplifier) is a  
circuit that allows the audio signal to pass through the amplifier at low  
voltage. The signal is directly level-shifted to the fixed high voltage  
rails via a pair of driver transistors. Signal linearity is assured by an  
active node formed by the drive transistors at ultrasonic frequencies.  
This allows amplifier performance similar to trans• nova which is  
highly stable and linear while utilizing the advantages of a non-  
floating power supply.  
THE RESULT: An extended frequency bandwidth accurately supplied  
to the output stages of the amplifier.  
– 1 –  
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TOPAZ (Tracking Operation Pre-Amplifier Zone)  
The TOPAZ (Tracking Operation Pre-Amplifier Zone) circuitry solves  
ground loop noise problems common to automotive amplifier design.  
This innovative new development allows vastly improved isolation of  
the input signal grounds from the power supply ground of the  
amplifier. This is accomplished by allowing the source unit to control  
the potential “environment” of the entire input structure or “zone” of  
the amplifier. This process improves the noise rejection of the ampli-  
fier by 30-40dB – an astounding 30-100 times better than amplifiers  
without TOPAZ.  
THE RESULT: Elimination of troublesome ground loop noise between  
source and amplifier.  
MOSFET Devices  
Rockford Fosgate is one of the few manufacturers in the sound  
community to utilize MOSFET devices in both the power supply and  
the output stages. MOSFET (Metal Oxide Semiconductor Field Effect  
Transistor) devices offer several important inherent advantages over  
the 30 year old technology of bi-polar design. These advantages  
include: thermal stability, switching speed, ultra low output imped-  
ance and wider bandwidth linearity. In addition, MOSFETs operate  
very similarly to vacuum tubes in which they are more linear than bi-  
polartransistors. However, MOSFETscan deliverthe midrange clarity  
without the limitations of transient response and high frequency  
phase shifting normally associated with tube operation.  
THE RESULT: Operational characteristics similar to vacuum tubes  
without the performance limitations of tube design.  
– 2 –  
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DSM (Discrete Surface Mount) Technology  
The DSM (Discrete Surface Mount) manufacturing process combines  
the advantages of both discrete components and integrated circuitry.  
Rockford Fosgate isthe onlyAmerican amplifiermanufacturerto have  
invested millions into this process. DSM components differ from  
conventional discrete components in different ways. They are more  
compact, more rugged, and they efficiently dissipate generated heat.  
Using them wherever appropriate allows the advantages associated  
with discrete circuitry to be retained while also providing room for  
both highly advanced processing features and generous PC board  
copper paths where needed. Their short lead-out structures allow  
maximum audio performance and highest signal-to-noise ratios to be  
obtained in amplifiers of desirable package size without resorting to  
“amplifier-on-a-chip” shortcuts. These advantages are shown below  
in Figure 1.  
Figure 1  
Component  
Solder  
Solder  
PC  
PC  
Board  
Board  
Thru-Hole  
Surface Mount  
THE RESULT: Fewer connections, improved reliability, shorter signal  
paths, superior signal-to-noise ratio and awesome sonic performance.  
NOMAD (NOn-Multiplying Advanced Decision)  
All Rockford Fosgate amplifiers use an analog computer process to  
maximize safe output power under all operating conditions. The  
innovative NOMAD (NOn-Multiplying Advanced Decision) system  
is the most sophisticated version of this technique ever used, bringing  
previously unavailable levels of accuracy, stability, temperature  
immunity and reliability to this critical process. NOMAD makes  
advanced decisions based on device voltages to precisely control the  
awesome levels of current available in the output MOSFETs to safe  
values – but only when absolutely needed.  
THE RESULT: Extremely fast protection system that always protects  
the amplifier and never degrades the sound.  
– 3 –  
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High Level Inputs  
The high level inputs on the Rockford Fosgate amplifiers convert the  
speaker line outputs (high level) to preamp line inputs (low level).  
This allows amplifier compatibility with a variety of source units as  
well as the ability to integrate into factory systems without the need  
for external adapters.  
THE RESULT: Allows compatibility with factory and aftermarket  
source units.  
XCard Crossover  
The 5.3x amplifiers utilize internal active crossovers. These cross-  
overs have many performance advantages such as using discrete  
components for exact frequency adjustments which are far superior  
to potentiometers. Additionally, the XCard can be configured for  
high-pass, low-pass and full range operation. With slight modifica-  
tion, many crossover frequencies and slope configurations can be  
achieved.  
THE RESULT: Increased system design flexibility with a precise  
electronic crossover without the limitations of conventional poten-  
tiometer designs.  
Signal Switching Network  
The Signal Switching Network allows the RCA input signals to be  
distributed to the amplifier channels in many different configura-  
tions. Among the many possible configurations, one setting uses a  
single RCA (L mono) to feed the subwoofer channel, thus simplifying  
connections needed.  
THE RESULT: Allows input signals to be distributed to amplifier  
channels in many different configurations.  
– 4 –  
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5.3X D E SI G N FE AT U R E S  
 Any adjustment to  
CAUTION!  
the Bias controls may damage  
your amplifier and will void  
your warranty.  
2
Bias  
CAUTION!  
Do Not Adjust  
9
Bias  
Bias  
CAUTION!  
Do Not Adjust  
9
Bias  
Bias  
CAUTION!  
Do Not Adjust  
9
Bias  
6
8
1
7
3
4
5
– 5 –  
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1. Dual Extruded Heatsinks  
The dual extruded aluminum heatsinks of this RF amplifier  
dissipate heat generated by the amplifier's circuitry.  
2. Power/Speaker Barrier Strip  
The barrier strip uses screw terminals that will accept #10 spade  
lugs or bare speaker and power wire sizes from 10-18 AWG.  
These gold-plated connectors are immune to corrosion that will  
cause signal degradation.  
3. RCA Input Jacks  
The industry standard RCA jack provides an easy connection for  
signal level input. They are gold-plated to resist the signal  
degradation caused by corrosion.  
4. High Level Inputs  
The high level input connectors accept 1/8" spade lugs for the  
connection of a source unit that has only speaker line (high level)  
outputs.  
5. Input Sensitivity Controls  
The input level controls are preset for 500mV which will match  
the output of most source units. They can be adjusted to match  
output levels from a variety of source units.  
6. Internal Crossovers  
The built-in crossover cards are configurable for a multitude of  
operating frequencies. The orientation of the card in its socket  
determines its function of high-pass, low-pass or full range  
operation.  
7. LED Power Indicator  
The LED gives a visual indication of the status of the amplifier,  
lighting when the unit is turned on.  
8. Signal Input Switches  
These switches allow the input signals to be distributed to the  
outputs in many different configurations.  
9. Bias Controls  
The Bias controls are preset at the factory and are not user  
adjustable. CAUTION! ANY ADJUSTMENT TO THE BIAS  
CONTROLS WILL VOID YOUR WARRANTY!  
– 6 –  
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IN STALLAT I O N C O N SI D ERAT I O N S  
The following is a list of tools you will need for installing the amplifier:  
Wire Cutters  
Wire Strippers  
Wire Crimpers  
Voltmeter  
#2 Phillips Screwdriver  
Assorted wire connectors  
Battery Post Wrench  
Electric Hand Drill with assorted bits  
This section focuses on some of the vehicle considerations for  
installing your new amplifier. Checking your battery and present  
sound system, as well as pre-planning your system layout and best  
wiring routes will save installation time. When deciding on the layout  
of your new system, be sure that each component will be easily  
accessible for making adjustments.  
Before beginning any installation, be sure to follow these simple rules:  
1. Be sure to carefully read and understand the instructions before  
attempting to install the amplifier.  
2. For safety, disconnect the negative lead from the battery prior to  
beginning the installation.  
3. For easier assembly, we suggest you run all wires prior to  
mounting your amplifier in place.  
4. Route allofthe RCAcablesclose togetherand awayfrom anyhigh  
current wires.  
5. Use high quality connectors for a reliable installation and to  
minimize signal or power loss.  
6. Think before you drill! Be careful not to cut or drill into gas tanks,  
fuel lines, brake or hydraulic lines, vacuum lines or electrical  
wiring when working on any vehicle.  
7. Neverrun wiresunderneath the vehicle. Runningthe wiresinside  
the vehicle provides the best protection.  
8. Avoid running wires over or through sharp edges. Use rubber or  
plastic grommets to protect any wires routed through metal,  
especially the firewall.  
9. ALWAYS protect the battery and electrical system from damage  
with proper fusing. Install a fuseholder and appropriate fuse on  
the +12V power wire within 18” (45.7 cm) of the battery terminal.  
10. When grounding to the chassis of the vehicle, scrape all paint  
from the metal to ensure a good, clean ground connection.  
Grounding connections should be as short as possible and always  
be connected to metal that is welded to the main body, or chassis,  
of the vehicle.  
– 7 –  
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MO UNTING LO CATIO N  
The mounting location and position of your amplifier will have a  
great effect on its ability to dissipate the heat generated during normal  
operation. The design of our aluminum heatsink serves to easily  
dissipate the heat generated over a wide range of operating condi-  
tions. However, to maximize the performance of your amplifier, care  
should be taken to ensure adequate ventilation.  
Trunk Mounting  
Mounting the amplifier vertically on a surface with the fin grooves  
running up and down will provide the best cooling of the amplifier.  
Mounting the amplifier on the floor of the trunk will work but  
provides less cooling capability than vertical mounting.  
Mounting the amplifier upside down to the rear deck of the trunk will  
not provide proper cooling and will severely affect the performance  
of the amplifier and is strongly not recommended.  
Passenger Compartment Mounting  
Mounting the amplifier in the passenger compartment will work as  
long as you provide a sufficient amount of air for the amplifier to cool  
itself. If you are going to mount the amplifier under the seat of the  
vehicle, you must have at least 1" (2.54cm) of air gap around the  
amplifier's heatsink.  
Mounting the amplifier with less than 1" (2.54cm) of air gap around  
the amplifier's heatsink in the passenger compartment will not  
provide proper cooling and will severely affect the performance of  
the amplifier and is strongly not recommended.  
Engine Compartment Mounting  
Rockford Fosgate amplifiers should never be mounted in the engine  
compartment. Not only will this void your warranty but could create  
an embarrassing situation caused by the ridicule from your friends.  
– 8 –  
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BATTERY AN D CH ARG IN G  
Amplifiers will put an increased load on the vehicle's battery and  
charging system. We recommend checking your alternator and  
battery condition to ensure that the electrical system has enough  
capacity to handle the increased load of your stereo system. Stock  
electrical systems which are in good condition should be able to  
handle the extra load of any Rockford amplifier without problems,  
although battery and alternator life can be reduced slightly. To  
maximize the performance of your Rockford Fosgate amplifier, we  
suggest the use of a heavy duty battery and an energy storage  
capacitor.  
W I R I N G T H E SYST E M  
CAUTION: Avoid running power wires near the low level input  
cables, antenna, power leads, sensitive equipment or harnesses. The  
power wires carry substantial current and could induce noise into  
the audio system.  
For safety, disconnect the negative lead from the battery prior to  
beginning the installation.  
1. Remove the cover and configure the internal XCard crossovers  
prior to installation. Refer to “Using the XCard” (page 13) for  
further information.  
2. Plan the wire routing. Take care when running signal level RCA  
cablesto keep them close togetherbutisolated from the amplifier's  
power cables and any high power auto accessories, especially  
electric motors. This is done to prevent coupling the noise from  
radiated electrical fields into the audio signal. When feeding the  
wires through the firewall or any metal barrier, protect them with  
plastic or rubber grommets to prevent short circuits. Leave the  
wires long at this point to adjust for a precise fit at a later time.  
3. Prepare the Power cable for attachment to the amplifier by  
stripping 1/2" of insulation from the end of the wire. Insert the  
bared wire into the B+ terminal and tighten the set screw to secure  
the cable in place.  
NOTE: The B+ cable MUSTbe fused 18"or lessfrom the vehicle's  
battery. Install the fuseholder under the hood and prepare the  
cable ends as stated above. Connections should be water tight.  
– 9 –  
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Trim the power cable within 18" of the battery and  
strip 1/2" of insulation from the end of the wire.  
Cut the wire loop that isattached to the fuseholder  
in half and splice the fuse into the power line  
using appropriate inline connectors. Use the  
section of cable that was trimmed earlier and  
connect it to the other end of the fuseholder.  
Cut  
here  
X
4. Strip 1/2" from the battery end of the power cable  
and crimp a large ring terminal to the cable. Use the ring terminal  
to connect to the battery positive terminal. Do not install the fuse  
at this time.  
5. Prepare the Ground cable for attachment to the amplifier by  
stripping1/2"ofinsulation from the end ofthe wire. Insertthe bared  
wire into the GND terminal and tighten the set screw to secure the  
cable in place. Prepare the chassis ground by scraping any paint  
from the metal surface and thoroughly clean the area of all dirt and  
grease. Strip the other end of the wire and attach a ring connector.  
Fasten the cable to the chassis using a non-anodized screw and a  
star washer.  
6. Prepare the REM turn-on wire for connection to the amplifier by  
stripping 1/2" of insulation from the wire end. Insert the bared  
wire into the REM terminal and tighten the set screw to secure the  
cable into place. Connect the other end of the REM wire to a  
switched 12 volt positive source. The switched voltage is usually  
taken from the source unit's auto antenna or the accessory lead.  
If the source unit does not have these outputs available, the  
recommended solution isto wire a mechanicalswitch in line with  
a 12 volt source to activate the amplifier.  
7. Securely mount the amplifier to the vehicle or amp rack. Be  
careful not to mount the amplifier on cardboard or plastic panels.  
Doing so may enable the screws to pull out from the panel due to  
road vibration or sudden vehicle stops.  
8. Connect the source signal to the amplifier by plugging the RCA  
cables/high level inputs into the input jacks at the amplifier.  
9. Connect the speakers. Strip the speaker wires 1/2" and insert into  
the speaker terminal and tighten the set screw to secure into  
place. Be sure to maintain proper speaker polarity. DO NOT  
chassis ground any of the speaker leads as unstable operation  
may result.  
10. Perform a final check of the completed system wiring to ensure  
that all connections are accurate. Check all power and ground  
connections for frayed wires and loose connections which could  
cause problems.  
– 10 –  
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USING PASSIVE CROSSOVERS  
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A passive crossover is a circuit that uses capacitors and/or coils and is  
placed on speaker leads between the amplifier and speaker. The  
crossover delegates a specific range of frequencies to the speaker for  
optimum driver performance. A crossover network can perform one of  
three functions: High-Pass (capacitors), Low-Pass (inductors or coils)  
and Bandpass (combination of capacitor and coil).  
The most commonly used passive crossover networks are 6dB/octave  
systems. These are easy to construct and require one component per  
filter. Placing this filter in series with the circuit will reduce power to  
the speaker by 6dB/octave above or below the crossover point  
depending on whether it is a high-pass or low-pass filter. More  
complex systems such as 12dB/octave or 18dB/octave can cause  
impedance problems if not professionally designed.  
Passive crossovers are directly dependent upon the speaker's imped-  
ance and component value for accuracy. When passive crossover  
components are used in multiple speaker systems, the crossover's  
effect on the overall impedance should be taken into consideration  
along with the speaker's impedance when determining amplifier  
loads. CAUTION: The Rockford Fosgate amplifiers are not recom-  
mended for impedance loads below 2stereo and 4bridged  
(mono) loads.  
– 11 –  
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TABLE OF CROSSOVER COMPONENT VALUES  
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C
L
6 dB/Octave Low-Pass  
6 dB/Octave High-Pass  
Freq.  
Hertz  
Speaker Impedance  
2 OHMS  
8 OHMS  
4 OHMS  
L
C
L
C
L
C
80  
100  
130  
4.1mH  
3.1mH  
2.4mH  
1000µF  
800µF  
600µF  
8.2mH  
6.2mH  
4.7mH  
500µF  
400µF  
300µF  
16mH  
12mH  
10mH  
250µF  
200µF  
150µF  
200  
260  
400  
1.6mH  
1.2mH  
.8mH  
400µF  
300µF  
200µF  
3.3mH  
2.4mH  
1.6mH  
200µF  
150µF  
100µF  
6.8mH  
4.7mH  
3.3mH  
100µF  
75µF  
50µF  
600  
800  
1000  
.5mH  
.41mH  
.31mH  
136µF  
100µF  
78µF  
1.0mH  
.82mH  
.62mH  
68µF  
50µF  
39µF  
2.0mH  
1.6mH  
1.2mH  
33µF  
26µF  
20µF  
1200  
1800  
4000  
.25mH  
.16mH  
.08mH  
66µF  
44µF  
20µF  
.51mH  
.33mH  
.16mH  
33µF  
22µF  
10µF  
1.0mH  
.68mH  
.33mH  
16µF  
10µF  
5µF  
6000  
9000  
12000  
51µH  
34µH  
25µH  
14µF  
9.5µF  
6.6µF  
.10mH  
68µH  
51µH  
6.8µF  
4.7µF  
3.3µF  
.20mH  
.15mH  
100µH  
3.3µF  
2.2µF  
1.6µF  
6 dB/Octave High-Pass and Low-Pass Filters  
L = Low-Pass (Inductor)  
C = High-Pass (Capacitor)  
For more information, see your Authorized Rockford Fosgate Dealer.  
– 12 –  
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U SI N G T H E XCARD  
The crossover functions are controlled through the use of an XCard  
and can be set for high-pass, low-pass or full range operation. Each  
crossover card has two faces: one face operates Full Range, the other  
has arrows to indicate the edge for selecting HP (high-pass) or LP (low-  
pass) operation. Orient the card with the desired operating edge,  
indicated by the arrow, toward the socket terminals inside the ampli-  
fier. Firmly, but carefully, plug the card into the socket.  
High-Pa ss  
Low-Pa ss  
Full Range  
H P  
LP  
L P  
HP  
FULL  
CUSTOMIZING TH E XCARD  
The crossover point can be altered by changing the 4 resistor values.  
Use the following formula to select the appropriate resistor value to  
be placed on the XCard.  
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3386  
= R (in k) for .047µf cap  
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7234  
= R (in k) for .022µf cap  
f
o
The actual formula is:  
Crossoer Card  
HigPs  
LoPas  
FulRange  
1
R =  
FULL  
2πf c  
o
Where: R = Ω  
f = desired crossover frequency  
o
c = capacitor in farads  
-6  
ex: .047 x 10 for .047mf cap  
– 13 –  
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RESISTO R CH ART  
Our tests have shown that using 0.047µf capacitors for frequencies below 100Hz, and  
0.022µf capacitors for frequencies above 100Hz, result in more linear crossover  
control. Refer to the Specifications page to determine the capacitor value of each  
supplied XCard.  
Butterworth Alignment Q = .707  
Butterworth Alignment Q = .707  
1% resistors used with 0.047µF caps  
1% resistors used with 0.022µF caps  
Frequency  
20Hz  
25Hz  
30Hz  
35Hz  
40Hz  
45Hz  
50Hz  
55Hz  
60Hz  
65Hz  
70Hz  
75Hz  
80Hz  
85Hz  
90Hz  
200Hz  
300Hz  
400Hz  
500Hz  
600Hz  
700Hz  
800Hz  
900Hz  
1kHz  
R1  
R2  
Frequency  
20Hz  
R1  
R2  
169kΩ  
133kΩ  
110kΩ  
95.3kΩ  
84.5kΩ  
75kΩ  
169kΩ  
133kΩ  
110kΩ  
95.3kΩ  
84.5kΩ  
75kΩ  
357kΩ  
287kΩ  
237kΩ  
205kΩ  
178kΩ  
162kΩ  
143kΩ  
130kΩ  
121kΩ  
110kΩ  
102kΩ  
95.3kΩ  
90.9kΩ  
84.5kΩ  
80.6kΩ  
35.7kΩ  
23.7kΩ  
17.8kΩ  
14.3kΩ  
12.1kΩ  
10.2kΩ  
9.9kΩ  
357kΩ  
287kΩ  
237kΩ  
205kΩ  
178kΩ  
162kΩ  
143kΩ  
130kΩ  
121kΩ  
110kΩ  
102kΩ  
95.3kΩ  
90.9kΩ  
84.5kΩ  
80.6kΩ  
35.7kΩ  
23.7kΩ  
17.8kΩ  
14.3kΩ  
12.1kΩ  
10.2kΩ  
9.9kΩ  
25Hz  
30Hz  
35Hz  
40Hz  
45Hz  
68.1kΩ  
61.9kΩ  
56.2kΩ  
52.3kΩ  
48.7kΩ  
45.3kΩ  
42.2kΩ  
40.2kΩ  
37.4kΩ  
16.9kΩ  
11.3kΩ  
8.45kΩ  
6.65kΩ  
5.62kΩ  
4.75kΩ  
4.22kΩ  
3.74kΩ  
3.40kΩ  
2.80kΩ  
1.69kΩ  
1.10kΩ  
845Ω  
68.1kΩ  
61.9kΩ  
56.2kΩ  
52.3kΩ  
48.7kΩ  
45.3kΩ  
42.2kΩ  
40.2kΩ  
37.4kΩ  
16.9kΩ  
11.3kΩ  
8.45kΩ  
6.65kΩ  
5.62kΩ  
4.75kΩ  
4.22kΩ  
3.74kΩ  
3.40kΩ  
2.80kΩ  
1.69kΩ  
1.10kΩ  
845Ω  
50Hz  
55Hz  
60Hz  
65Hz  
70Hz  
75Hz  
80Hz  
85Hz  
90Hz  
200Hz  
300Hz  
400Hz  
500Hz  
600Hz  
700Hz  
800Hz  
900Hz  
1.0kHz  
1.2kHz  
2.0kHz  
3.0kHz  
4.0kHz  
5.0kHz  
6.0kHz  
7.0kHz  
8.0kHz  
8.6kΩ  
8.6kΩ  
7.15kΩ  
6.04kΩ  
3.57kΩ  
2.37kΩ  
1.76kΩ  
1.43kΩ  
1.21kΩ  
1.02kΩ  
909Ω  
7.15kΩ  
6.04kΩ  
3.57kΩ  
2.37kΩ  
1.76kΩ  
1.43kΩ  
1.21kΩ  
1.02kΩ  
909Ω  
1.2kHz  
2kHz  
3kHz  
4kHz  
5kHz  
665Ω  
562Ω  
487Ω  
422Ω  
665Ω  
562Ω  
487Ω  
422Ω  
6kHz  
7kHz  
8kHz  
– 14 –  
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XCARD ACCESS  
The internal XCard crossover(s) are accessible by removing the top  
cover from the amplifier. The XCard should be inserted with the filter  
side (HP, LP or FULL RANGE) facing the metal contacts inside the  
socket.  
Bias  
Bias  
Bias  
Bias  
CAUTION!  
Do Not Adjust  
CAUTION!  
Do Not Adjust  
High-Pass  
Low-Pass  
Full Range  
Rear XCard  
Front XCard  
H P  
LP  
L P  
HP  
FULL  
Subwoofer XCard  
Bias  
Bias  
CAUTION!  
Do Not Adjust  
Remove six Allen Screws from cover with supplied Allen wrench (3/32")  
Insert XCard into socket with HP, LP, or FULL RANGE facing metal  
contacts.  
FACTORY DEFAULTS  
Rear XCard = Full Range  
Front XCard = Full Range  
Subwoofer XCard = 80Hz LP  
– 15 –  
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USING THE SIGNAL SWITCHING NETWORK  
The Signal Switching Network allows the RCA input signals to be  
distributed to the outputs in many different configurations. The  
orientation of both switches configure the distribution pattern . The  
switches can be oriented in the following configurations.  
Configuration #1  
(Mono Sub Input)  
Front inputs => Front outputs  
Rear inputs => Rear outputs  
SUB XCard  
FRO NT XCard  
Subwoofer (L Mono) input => Subwoofer outputs  
REAR XCard  
Configuration #2  
Front inputs => Front outputs  
SUB XCard  
Rear inputs => Rear outputs  
FRO NT XCard  
Subwoofer inputs => Subwoofer outputs  
REAR XCard  
Configuration #3  
Front inputs => Front outputs  
SUB XCard  
Rear inputs => Rear outputs  
FRO NT XCard  
Front & Rear inputs summed => Subwoofer outputs  
REAR XCard  
Factory  
Default  
Setting  
– 16 –  
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Configuration #4  
(Mono Sub Input)  
Front inputs => Front & Rear outputs  
SUB XCard  
Subwoofer (L Mono) input => Subwoofer outputs  
FRO NT XCard  
REAR XCard  
Configuration #5  
Front inputs => Front & Rear outputs  
SUB XCard  
Subwoofer inputs => Subwoofer outputs  
FRO NT XCard  
REAR XCard  
Configuration #6  
Front inputs => Front, Rear &  
SUB XCard  
Subwoofer outputs  
FRO NT XCard  
REAR XCard  
– 17 –  
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Configuration #1  
Front inputs => Front outputs  
Rear inputs => Rear outputs  
Subwoofer (L Mono) inputs => Subwoofer outputs  
SUB XCard  
FRO NT XCard  
REAR XCard  
LED  
LF  
+RFGND +LR– +RR–  
High Level Inputs  
L-Subwoofer +LF–  
R-Subwoofer  
Rear  
Gain  
Sub  
Gain  
LR  
RR  
Front  
Gain  
RF  
A
A
B
B
(L M o n o )  
C
390 Watts Total Power  
®
®
SUB SUB  
LF+  
RF+  
RF-  
LR+  
RR- RR+  
LF-  
+
LR-  
B+  
REM GND  
A
A
B
B
C
– 18 –  
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Configuration #2  
Front inputs => Front outputs  
Rear inputs => Rear outputs  
Subwoofer inputs => Subwoofer outputs  
SUB XCard  
FRO NT XCard  
REAR XCard  
LED  
LF  
+RFGND +LR– +RR–  
High Level Inputs  
L-Subwoofer +LF–  
R-Subwoofer  
Rear  
Gain  
Sub  
Gain  
LR  
RR  
Front  
Gain  
RF  
A
A
B
B
C
C
390 Watts Total Power  
®
®
SUB  
+
SUB  
LF+  
RF+  
RF-  
LR+  
RR- RR+  
LF-  
LR-  
B+  
REM GND  
A
A
B
B
C
– 19 –  
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Configuration #3  
Front inputs => Front outputs  
Rear inputs => Rear outputs  
Front & Rear inputs summed => Subwoofer outputs  
Factory  
Default  
Setting  
SUB XCard  
FRO NT XCard  
REAR XCard  
LED  
LF  
+RFGND +LR– +RR–  
High Level Inputs  
L-Subwoofer +LF–  
R-Subwoofer  
Rear  
Gain  
Sub  
Gain  
LR  
RR  
Front  
Gain  
RF  
A
A
B
B
390 Watts Total Power  
®
®
SUB SUB  
LF+  
RF+  
RF-  
LR+  
RR- RR+  
LF-  
+
LR-  
B+  
REM GND  
A&B  
A
A
B
B
– 20 –  
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Configuration #4  
(Mono Sub Input)  
Front inputs => Front & Rear outputs  
Subwoofer (L Mono) inputs => Subwoofer outputs  
SUB XCard  
FRO NT XCard  
REAR XCard  
LED  
LF  
+RFGND +LR– +RR–  
High Level Inputs  
L-Subwoofer +LF–  
R-Subwoofer  
Rear  
Gain  
Sub  
Gain  
LR  
RR  
Front  
Gain  
RF  
A
A
(L M o n o )  
C
390 Watts Total Power  
®
®
SUB SUB  
LF+  
RF+  
RF-  
LR+  
RR- RR+  
LF-  
+
LR-  
B+  
REM GND  
A
A
A
A
C
– 21 –  
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Configuration #5  
Front inputs => Front & Rear outputs  
Subwoofer inputs => Subwoofer outputs  
SUB XCard  
FRO NT XCard  
REAR XCard  
LED  
LF  
+RFGND +LR– +RR–  
High Level Inputs  
L-Subwoofer +LF–  
R-Subwoofer  
Rear  
Gain  
Sub  
Gain  
LR  
RR  
Front  
Gain  
RF  
A
A
C
C
390 Watts Total Power  
®
®
SUB  
+
SUB  
LF+  
RF+  
RF-  
LR+  
RR- RR+  
LF-  
LR-  
B+  
REM GND  
A
A
A
A
C
– 22 –  
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Configuration #6  
Front inputs => Front, Rear &  
Subwoofer outputs  
SUB XCard  
FRO NT XCard  
REAR XCard  
LED  
LF  
+RFGND +LR– +RR–  
L-Subwoofer +LF–  
R-Subwoofer  
Rear  
Gain  
Sub  
Gain  
LR  
RR  
Front  
Gain  
High Level Inputs  
RF  
A
A
390 Watts Total Power  
®
®
SUB  
+
SUB  
LF+  
RF+  
RF-  
LR+  
RR- RR+  
LF-  
LR-  
B+  
REM GND  
A
A
A
A
A
– 23 –  
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I
®
®
N
S
T
A
L
L
A
T
I
5.3X INSTALLATION  
O
N
High Level Input – “Single Ended” Type  
This configuration is used for source units that have “Single Ended” speaker  
outputs. Only the “+” output is “hot,” whereas the “–” or “common” are  
common grounded. To verify your source unit has these outputs, connect an  
ohm meter across the “–” output and radio chassis for a reading of 0.  
R
AUD  
SEL  
CLOCK  
DSPL  
AUT  
O
ILLUM  
DISC  
AMFM  
Ch  
ST LD RDM RPT  
P.SCN  
RPT  
3
LOUD  
TUNE  
VOL  
PWR  
D.SCN  
SCAN  
2
RDM  
4
DIM  
5
PAUSE  
6
1
®
Rear  
Front  
R+  
L+  
COMM  
R+  
COMM  
L+  
LED  
+RF–  
L-Subwoofer  
R-Subwoofer  
+LF–  
GND +LR– +RR–  
Rear  
Gain  
Sub  
Gain  
LF  
LR  
RR  
Front  
Gain  
High Level Inputs  
RF  
Use “Configuration #3” of Signal  
Switching Network when using  
front & rear inputs  
Use “Configuration #6” of  
Signal Switching Network  
when using front inputs only  
L+ and R+ Inputs are connected to corresponding “+” speaker outputs  
Land R– Inputs are not used  
GND Input is connected to “–” speaker outputs  
Configuration #6* is used with FRONT inputs to achieve Sub output  
Configuration #3* is used with FRONT & REAR inputs to achieve Sub output  
* Refer to previous pages for Signal Switching Network configurations  
CAUTION: Use 1/8" female connectors when using the high level inputs and DO NOT  
solder wires directly to the connector  
– 24 –  
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I
®
®
N
S
T
A
L
L
A
T
I
O
N
High Level Input – “B.T.L.” Type  
This configuration is used for source units that have “B.T.L.” speaker outputs  
(Bridged Transformer Less not Bacon Tomato & Lettuce). Both “+” and “–”  
outputs are considered “hot” or “floating.”  
Factory Radio  
+
^
v
100.7  
Rear  
Front  
R–  
R+  
L+  
L–  
L–  
L+  
R+  
R–  
LED  
+RFGND +LR– +RR–  
High Level Inputs  
L-Subwoofer +LF–  
R-Subwoofer  
Rear  
Gain  
Sub  
Gain  
LF  
LR  
RR  
Front  
Gain  
RF  
Use “Configuration #3” of  
Signal Switching Network  
when using front & rear inputs  
Use “Configuration #6” of  
Signal Switching Network  
when using front inputs only  
L+ and R+ Inputs are connected to corresponding “+” speaker outputs  
Land R– Inputs are connected to corresponding “–” speaker outputs  
GND Input is not used unless noise problems arise  
Configuration #6* is used with FRONT inputs to achieve Sub output  
Configuration #3* is used with FRONT & REAR inputs to achieve Sub output  
* Refer to previous pages for Signal Switching Network configurations  
CAUTION: Use 1/8" female connectors when using the high level inputs and DO NOT  
solder wires directly to the connector  
– 25 –  
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I
®
®
N
S
T
A
L
L
A
T
I
O
N
Power Connections  
390 Watts Total Power  
®
®
SUB SUB  
LF+  
RF+  
RF-  
LR+  
RR- RR+  
LF-  
+
LR-  
B+  
REM GND  
Connect to remote  
turn-on lead of  
source unit  
Connect to chassis  
ground of vehicle  
Less than 18"  
Connect to B+ of battery  
with 30A fuse  
3-Channel Operation  
390 Watts Total Power  
®
®
SUB SUB  
LF+  
RF+  
RF-  
LR+  
RR- RR+  
LF-  
+
LR-  
B+  
REM GND  
+
+
+
4Min.  
LEFT  
4Min.  
RIGHT  
4Min.  
Front/Rear Gain Controls set equally to balance left and right speakers  
Sub Gain Control operates independently  
Impedance Load for Left bridged channel should be 4minimum  
Impedance Load for Right bridged channel should be 4minimum  
Impedance Load for Sub bridged/mono channel should be 4minimum  
Front/Rear XCard set identically as High-Pass, Low-Pass or Full Range  
Sub XCard can be set for High-Pass, Low-Pass or Full Range  
– 26 –  
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I
®
®
N
S
T
A
L
L
A
T
I
3-Channel Mono Operation  
O
N
390 Watts Total Power  
®
®
SUB  
+
SUB  
LF+  
RF+  
RF-  
LR+  
RR- RR+  
LF-  
LR-  
B+  
REM GND  
+
+
+
4Min.  
4Min.  
4Min.  
Front/Rear Gain Controls set equally to balance the speakers  
Sub Gain Control operates independently  
Impedance Load for Front bridged channel should be 4minimum  
Impedance Load for Rear bridged channel should be 4minimum  
Impedance Load for Sub bridged/mono channel should be 4minimum  
Front/Rear XCard set as High-Pass, Low-Pass or Full Range  
Sub XCard can be set for High-Pass, Low-Pass or Full Range  
5-Channel Operation  
300 Watts Total Power  
®
®
SUB SUB  
LF+  
RF+  
RF-  
LR+  
RR- RR+  
LF-  
+
LR-  
B+  
REM GND  
+
+ –  
2Min.  
+
– –  
2Min.  
+
+
2Min.  
2Min.  
4Min.  
Front/Rear/ Sub Gain Controls operate independently  
Impedance Load for Front/Rear channels should be 2minimum  
Impedance Load for Sub bridged/mono channel should be 4minimum  
Front/Rear XCard set as High-Pass, Low-Pass or Full Range  
Sub XCard can be set for High-Pass, Low-Pass or Full Range  
– 27 –  
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SYSTEM DIAGRAMS  
230 Watt System (rated @ 4 ohms)  
Step #1  
Upgrade the factory system with an RF5.3x amplifier and mono subwoofer.  
Factory Radio  
+
^
v
100.7  
High Level Input  
Front  
Front  
Factory  
Speaker  
Factory  
Speaker  
80Hz-20kHz  
12dB/octave HP  
20Hz-80Hz  
12dB/octave LP  
4Woofer  
– 28 –  
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230 Watt System (rated @ 4 ohms)  
Step #2  
Further upgrade the factory system by replacing the front factory speakers and  
adding “rear fill” speakers.  
Factory Radio  
+
^
v
100.7  
High Level Input  
Front  
Rear  
Front  
Rear  
80Hz-20kHz  
12dB/octave HP  
80Hz-20kHz  
12dB/octave HP  
20Hz-80Hz  
12dB/octave LP  
4Woofer  
– 29 –  
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350 Watt System (rated @ 4 ohms)  
Step #3  
Replace the factory source unit with an RFX-8030, adding a 4.6x amplifier and  
more subwoofers.  
SKIP  
MON  
AUD  
SEL  
CLOCK  
DSPL  
AUTO  
P.SCN  
RPT  
IL  
OUD  
RDM DIM  
L
UM  
COMPACT  
L
DIGITAL AUDIO  
PWR  
TUNE  
VOL  
D.SCN  
SCAN  
2
PAUSE  
1
3
4
5
6
RFX-8030  
HP  
HP  
Front XCard  
Rear XCard  
Front  
Front  
80Hz-20kHz  
80Hz-20kHz  
12dB/octave HP  
12dB/octave HP  
Rear  
Rear  
4Woofer  
4Woofer  
4Woofer  
20Hz-80Hz  
12dB/octave LP  
– 30 –  
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410 Watt System (rated @ 4 ohms)  
Step #4  
Complete the system by adding a CD changer, midbass speakers, and  
dedicating an RF-2.6x for “rear fill.”  
SKIP  
MON  
®
R
F
X
-
8
6
0
1
s
c
d
i
a
AUD  
SEL  
6
ch  
n
g
e
r
CLOCK  
DSPL  
AUT  
O
IL  
OUD  
RDM DIM  
L
UM  
COMPACT  
P.SCN  
RPT  
3
L
DIGITAL AUDIO  
TUNE  
VOL  
PWR  
D.SCN  
SCAN  
2
PAUSE  
1
4
5
6
®
RFX-8030  
20Hz-80Hz  
12dB/octave LP  
Front  
Sub  
Rear  
HP  
HP  
Front XCard  
Rear XCard  
Front  
Front  
80Hz-20kHz  
80Hz-20kHz  
12dB/octave HP  
12dB/octave HP  
Midbass  
Midbass  
80Hz-400Hz  
80Hz-400Hz  
12dB/octave BP  
12dB/octave BP  
4Woofer  
4Woofer  
4Woofer  
HP  
20Hz-80Hz  
Rear XCard  
12dB/octave LP  
Rear  
Rear  
80Hz-20kHz  
12dB/octave HP  
– 31 –  
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TROUBLE-S  
H
O
O
T
I
N
G
TR O U BL E SH O O T I N G  
Symptom  
Diagnosis  
Remedy  
Amplifier doesnot  
turn on  
Voltage applied to the Check the alternator, bat-  
REM terminal of the tery, fuse, and wiring and  
(Power LED is off) amplifierisnotbetween repair as necessary. If the  
10.5 and 15.5 volts or voltage is above 15.5 volts,  
there is no voltage have the electrical system  
present.  
inspected by an authorized  
car service center.  
Voltage to the B+ termi- Check the alternator, bat-  
nal of the amplifier is tery, fuse, and wiring and  
not between 10.5 and repair as necessary. If the  
15.5 volts or there is no voltage is above 15.5 volts,  
voltage present.  
have the electrical system  
inspected by an authorized  
car service center.  
Amplifier is not prop-  
erly grounded.  
Check wiring and repair as  
necessary.  
Check connections, substi-  
tute with known working  
source and cablesand repair  
or replace as necessary.  
RCA Input from source  
unit is not connected or  
not functioningproperly.  
Amplifier has no  
sound  
(Power LED is on)  
Check XCard position and  
repair or replace as neces-  
sary.  
XCard is missing or not  
placed properlyin cross-  
over slots.  
Disconnectexistingspeakers  
and test with known working  
speakers and wires. If ampli-  
fier plays, check and repair  
wiring and installation of  
speakers as necessary.  
Speakerleadsare shorted  
to each other or to the  
chassis of the vehicle.  
Disconnect existing speak-  
ers and test with known  
working speakers. If ampli-  
fier plays, check and repair  
speakers as necessary.  
Speakers are defective.  
– 32 –  
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TROUBLE-S  
H
O
O
T
I
N
G
Symptom  
Diagnosis  
Remedy  
Readjust input gains of  
amplifier.  
Speaker Output  
Low or Distorted  
Input gain signal for  
amplifier is incorrectly  
set.  
Check system with known  
working source and repair  
or replace original source  
as needed.  
Source unit output too  
low or source unit has  
no output.  
Check XCard position and  
repair or replace as neces-  
sary.  
XCard is missing or not  
placed properlyin cross-  
over slots.  
Check the alternator, bat-  
tery, fuse, and power and  
ground wiring. Repair as  
necessary.  
Low battery voltage or  
large voltage drops to  
the amplifierunderload.  
Check Signal Input  
Switches and reconfigure  
as necessary.  
Signal Input Switches not  
configured properly.  
No O utput on  
Front, Rear or Sub  
Channels  
Check XCard position(s)  
and repair or replace as  
necessary.  
XCard(s) missing or not  
placed properly in cross-  
over slot.  
Signal Input Switches do Check Signal Input  
not configure Sub Chan- Switches and reconfigure  
nel for single RCA input. as necessary.  
Low Output on  
Sub Channel  
Disconnect input signal to  
amplifier and turn amplifier  
on and off. If noise is elimi-  
nated, connect REM lead of  
amplifierto source unitwith  
a delay turn-on module.  
Voltage spike from out-  
put of preceding compo-  
nent is entering amplifier  
through input signal.  
Amplifier Noise  
(Turn-on Pop)  
Use a different 12 volt  
source for REM lead of am-  
plifier(i.e., batterydirect). If  
noise is eliminated, use a  
relay to isolate amplifier  
from noisy turn-on output.  
Voltage spike from re-  
mote turn-on lead is en-  
tering through REM in-  
put terminal.  
– 33 –  
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TROUBLE-S  
H
O
O
T
I
N
G
Symptom  
Diagnosis  
Remedy  
Check connections, and  
run the RCA cables on a  
different route away from  
sources of high current.  
Engine Noise  
Noise is radiating into  
RCA signal cable.  
Checkconnections,and by-  
Bad componentin the sig-  
nal chain.  
passadditionalcomponents  
(crossovers and equalizers)  
between the source unitand  
the amplifier. Connect one  
component at a time to de-  
termine the culprit. Repair  
or replace components as  
necessary.  
Disconnectexistingspeak-  
ers and connect a test  
speaker to the output ter-  
minals of the amplifier. If  
noise is gone, reroute the  
speaker cables away from  
sources of high voltage.  
Noise is radiating into  
speaker cables.  
Checkground connections  
and connectamplifiers, sig-  
nal processors, and other  
components to a central  
location or try a different  
grounding point on the  
chassis.  
Multiple grounds in the  
audio system.  
Check connections and  
disconnect antenna from  
source unit. Ifnoise isgone,  
install an antenna ground  
loop isolator.  
Ground loop between  
source unit and antenna.  
Engine noise with  
high level inputs  
Connect GND terminal of  
high level input to chassis  
of source unit.  
No reference ground  
• If noise persists, see your Authorized Rockford Fosgate Dealer.  
– 34 –  
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D YN AM I C P O W E R M E ASU R E M E N T S  
About the Dynamic Power Measurements  
The Audio Graph PowerCube is a test instrument used to measure the  
outputofan amplifierin accordance with IHF-202 industrystandards. The  
IHF-202 standard is a dynamic power measurement and was developed  
as a means of measuring power in a manner that best represents the Real  
World operation of an amplifier. Many manufacturers, including Rockford  
Fosgate, at times will measure amplifier power into a fixed resistor (4 ohm,  
2 ohm). While this method is useful in some types of evaluation and  
testing, itisnotrepresentative ofan amplifierthatisconnected to a speaker  
and playing music.  
Music  
Music isdynamic;the sound wavesare complexand constantlychanging.  
In order to simulate this, the IHF-202 standard calls for the input signal to  
the amplifier to be a 1kHz bursted tone. This signal is input (on for 20  
milliseconds) and reduced 20dB for 480 milliseconds. The signal is  
gradually increased in level until the amplifier's output exceeds 1% Total  
Harmonic Distortion (THD). At1% distortion becomesaudible, therefore,  
any power produced above that level is considered unusable. Many  
manufacturers represent their amplifiers' output power in excess of 10%  
distortion. They use many names for this measurement, such as Total  
Maximum Power or Maximum Output Power. This is not indicative of the  
actual usable output power.  
Listening to Loudspeakers - Not Resistors  
A loudspeaker is not a resistor. A resistor's value (resistance measured in  
ohms) is fixed. A loudspeaker's impedance is dynamic. It is constantly  
changing in value, dependent upon the frequency of the input signal.  
Therefore, measuring power with the amplifier loaded into a 4 ohm  
resistor is not the same as measuring power with the amplifier connected  
to a 4 ohm speaker. Most people do not listen to music through a resistor.  
A4 ohm speakermayexperience a drop in impedance 4-6 times lower than  
its nominal (printed) impedance. A speaker will also create phase shifts in  
the signal that is passed through it. These phase shifts happen because a  
speaker is an inductor (voice coil) and a capacitor (compliance of the  
surround/spider), as well as a resistor (voice coil wire).  
To simulate a speaker the Audio Graph PowerCube measures output  
power into 20 different loads. It tests at 8 ohms, 4 ohms, 2 ohms and 1  
ohm. Each of these impedances is also tested at –60°, –30°, 0°, +30° and  
+60° phase angles. These different impedances and phase angles repre-  
sent the shifts in impedance and phase that can occur in a typical  
loudspeaker.  
– 35 –  
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Information Cubed  
The data acquired in the testing procedure is then graphed in the form  
of a 3-dimensional cube, hence the name PowerCube.  
The Phase Angle is expressed on the horizontal axis, the Output  
Voltage is presented on the vertical axis and the Impedance is  
displayed on the Z axis. Output Power, in watts, is listed on the left  
hand side for each impedance at each phase angle.  
Audio Graph – The PowerCube™  
MODEL BEING  
TESTED  
VOLTAGE FROM  
BATTERY  
x2 = STEREO  
MONO = BRIDGED MONO  
Amplifier: PUNCH 200.2 14.4V x 2  
Serial No:  
Rated Power : 100 W @ 4 Ohms  
Owner  
:
ROCKFORD CORPORATION  
8–60° 85  
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
*
–30° 84  
0° 84  
POWER  
IN  
50V  
30V  
30° 84  
60° 86  
WATTS  
{
4–60° 162  
*
–30° 157  
0° 156  
30° 157  
60° 162  
10V  
2–60° 273  
*
–30° 258  
0° 251  
8Ω  
4Ω  
30° 256  
60° 271  
2Ω  
–60° (Cap)  
0°  
1Ω  
1–60° 390  
*
{
(Ind) +60°  
{
–30° 356  
0° 346  
Impedance  
PHASE ANGLES  
30° 352  
60° 390  
Example of a Punch 200x PowerCube  
2
What is an Amplifier?  
An amplifier by definition is a voltage generating device, recreating  
the signal which is input to it identically but with increased volume.  
It will be connected to a reactive load (the speaker). The impedance  
of this load and phase of the signal passing through the load will vary,  
dependent upon the frequency of the input signal (music).  
Therefore, a perfect amplifier will be able to maintain the same output  
voltage regardless of load characteristics and will not alter the signal  
it is reproducing. A perfect amplifier when measured by the Audio  
Graph PowerCube would present data that forms a perfect cube.  
Unfortunately, amplifiers are not perfect. The laws of physics gener-  
ally prevent it. A great amplifier is about the best one can hope to  
attain.  
As you can see by the PowerCube and as you will experience by  
listening, your Punch amplifier is a GREAT AMPLIFIER!  
– 36 –  
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5.3X SP EC I FI C ATI O N S  
Front/Rear  
Channels  
Sub  
Channel  
Dynamic Power Rating (IHF 202 Standard)  
Measured at 14.4 Voltage  
Per channel into a 4Load  
Per channel into a 2Load  
Bridged Mono into a 4Load  
40 Watts x 4  
65 Watts x 4  
130 Watts x 2  
130 Watts x 1  
Continuous Power Rating (Competition Standard)  
Measured at 14.4 Battery Voltage  
RMS continuous power per channel,  
all channels driven into a 4load from  
20 to 20,000 Hz, with less than 0.30%  
Total Harmonic Distortion (THD)  
30 Watts x 4  
55 Watts x 4  
110 Watts x 2  
RMS continuous power per channel,  
all channels driven into a 2load from  
20 to 20,000 Hz, with less than 0.50%  
Total Harmonic Distortion (THD)  
RMS continuous power bridged/mono  
110 Watts x 1  
into a 4load from 20 to 20,000 Hz  
with less than 0.50% Total Harmonic Distortion (THD)  
Signal-to-Noise Ratio  
Bandwidth  
>100dB (A-weighted)  
10 Hz to 250kHz ± 3dB  
Damping Factor @ 4Ω  
Frequency Response  
Slew Rate  
>200  
20 Hz to 20 kHz ± 0.5dB  
30Vµs  
IM Distortion (IHF)  
Input Impedance  
<0.05%  
20,000 ohms  
Input Voltage  
Variable from 325mV to 5.5volts  
(Low level in-RCA)  
Variable from 850mV to 15 volts  
Variable from 425mV to 7.5 volts  
(High level in-BTL)  
(High level in – Single Ended)  
– 37 –  
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Protection  
NOMAD - Internal analog-computer out-  
putprotection circuitrylimitspowerin case  
of overload. Thermal switch shuts down  
the amplifier in case of overheating.  
Factory Default Crossover  
Crossover Slope  
Front XCard = 80Hz (0.047µf)  
Rear XCard = 80Hz (0.047µf)  
Sub XCard = 80Hz (0.047µf)  
12dB/octave Butterworth  
30 Amps  
Battery Fusing Ratings  
(External to Amplifier)  
Fuse Type  
ATC  
5
1
Dimensions  
10 ⁄8”W x 11 2L x 2"H  
(26.9cm) x (29.21cm) x (5.08cm)  
Specifications subject to change without notice.  
– 38 –  
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LIMITED W AR R AN T Y I N FO R M AT I O N  
Rockford Corporation offers a limited warranty on Rockford Fosgate products on the  
following terms:  
Length of Warranty  
3 years on electronics  
2 years on source units  
1 year on speakers  
90 days on electronic B-stock (receipt required)  
30 days on speaker B-stock (receipt required)  
What is Covered  
This warranty applies only to Rockford Fosgate products sold to consumers by  
Authorized Rockford Fosgate Dealers in the United States of America or its  
possessions. Product purchased by consumers from an Authorized Rockford  
Fosgate Dealer in another country are covered only by that countrys Distributor  
and not by Rockford Corporation.  
Who is Covered  
This warranty covers only the original purchaser of Rockford product purchased  
from an Authorized Rockford Fosgate Dealer in the United States. In order to  
receive service, the purchaser must provide Rockford with a copy of the receipt  
stating the customer name, dealer name, product purchased and date of purchase.  
Products found to be defective during the warranty period will be repaired or  
replaced (with a product deemed to be equivalent) at Rockford's discretion.  
What is Not Covered  
1. Damage caused by accident, abuse, improper operations, water, theft  
2. Any cost or expense related to the removal or reinstallation of product  
3. Service performed by anyone other than Rockford or an Authorized Rockford  
Fosgate Service Center  
4. Any product which has had the serial number defaced, altered, or removed  
5. Subsequent damage to other components  
6. Any product purchased outside the U.S.  
7. Any product not purchased from an Authorized Rockford Fosgate Dealer  
Limit on Implied Warranties  
Any implied warranties including warranties of fitness for use and merchantability  
are limited in duration to the period of the express warranty set forth above. Some  
states do not allow limitations on the length of an implied warranty, so this  
limitation may not apply. No person is authorized to assume for Rockford Fosgate  
any other liability in connection with the sale of the product.  
How to Obtain Service  
Please call 1-800-669-9899 for Rockford Customer Service. You must obtain an  
RA# (Return Authorization number)to return anyproductto Rockford Fosgate. You  
are responsible for shipment of product to Rockford.  
Ship to: Speakers  
Ship to: Electronics  
Rockford Corporation  
Warranty Repair Department  
2055 E. 5th Street  
Rockford Acoustic Design  
(Receiving-speakers)  
609 Myrtle N.W.  
Grand Rapids, MI 49504  
RA#:_________________  
Tempe, AZ 85281  
RA#:_________________  
– 39 –  
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– 40 –  
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Por favor, lea las instrucciones siguientes para la instalación de este producto.  
El hecho de proceder al montaje sin haber leido estas instrucciones, podria  
resultar fatal para usted o para el vehiculo.  
INTRODUCCIÓN  
El RFX 5.3x es un amplificador de 5 canales estéreo y un canal  
puenteado en mono para acomodarse a los diseños de sistemas de “un  
solo amplificador” con un precio competitivo. Como este manual  
proporciona información sobre las características, instalación y  
funcionamiento del amplifiador Rockford Fosgate 5.3x, le sugerimos  
que lo guarde para futuras referencias.  
Recomendamos que contacte con un distribuidor autorizado por Rock-  
ford Fosgate para la instalación de su nuevo Amplificador. Sin embargo,  
si decide instalar este amplificador usted mismo, asegurese de leer todo  
el manual antes de empezar el montaje.  
UTILIZACION DEL CIRCUITO DE CONMUTACION  
DE SEÑAL  
El circuito de conmutación de señal permite distribuir las entradas RCA  
a las salidas de varias diferentes maneras. La orientación de ambos  
conmutadores configura la distribución de señal. Los conmutadores  
pueden ser posicionados en las siguientes configuraciones.  
Configuración n°1  
(Entrada de Subwoofer en mono)  
Entrada Frontales => Salidas Frontales  
Entrada Posteriores => Salidas Posteriores  
SUB XCard  
Entradas de Subwoofer => Salidas de Subwoofer  
FRO NT XCard  
(Izquierda Mono)  
REAR XCard  
Configuración n°2  
Entrada Frontales => Salidas Frontales  
Entrada Posteriores => Salidas Posteriores  
SUB XCard  
Entradas de Subwoofer => Salidas de Subwoofer  
FRO NT XCard  
REAR XCard  
– 41 –  
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Configuración n°3  
Entrada Frontales => Salidas Frontales  
Entrada Posteriores => Salidas Posteriores  
Entradas Frontales y => Salidas de Subwoofer  
SUB XCard  
FRO NT XCard  
REAR XCard  
Posteriores  
Configuración  
Standard de  
Fábrica  
Configuración n°4  
(Entrada de Subwoofer en mono)  
Entrada Frontales => Salidas Frontales y  
SUB XCard  
Posteriores  
Entradas de Subwoofer => Salidas de Subwoofer  
(Izquierda Mono)  
FRO NT XCard  
REAR XCard  
Configuración n°5  
Entrada Frontales => Salidas Frontales y  
Posteriores  
Entradas de Subwoofer => Salidas de Subwoofer  
SUB XCard  
FRO NT XCard  
REAR XCard  
Configuración n°6  
SUB XCard  
Entrada Frontales => Salidas Frontales,  
FRO NT XCard  
REAR XCard  
Posteriores y Subwoofer  
– 42 –  
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Veuillez lire les instructions suivantes relatives à l'installation de ces produits.  
Ne pas suivre ces instructions pourrait entrainer des dommages à vous-même  
ou à votre véhicule.  
I N T R O D U C T I O N  
Le RF5.3x est un amplifiacteur à 5 canaux avec quatre canaux stéréo et  
un canal mono. Ce manuel contient des informations importantes sur  
l'installation et le fontionnement de l'appareil. Nous vous conseillons  
de bien le conserver.  
Nous vous recommandons vivement de faire installer votre nouvel  
amplificateur Rockford Fosgate auprès d'un installateur agréé Rockford  
Fosgate. Néanmoins, si vous décidez d'installer vous-méme votre  
amplificateur, assurez-vous e lire l'entièreté e ce manuel avant de  
commencer.  
UTILISATION DU RÉSEAU DE COMMUTATION  
DU SIGNAL  
Le réseau de commutation du signal permet au signal provenant des  
RCA e'entrée d'être distribué vers les sorties dans de multiple configu-  
rations. L'orientation des deux commutateurs configure la distribu-  
tion de signal. Les commutateurs peuvent être orientés afin d'obtenir  
les configurations suivantes:  
Configuration #1  
(Entrée Sub Mono)  
Entrée avant => Sortie avant  
SUB XCard  
Entrée arrière => Sortie arrière  
Entrée sub (gauche mono) => Sortie sub  
FRO NT XCard  
REAR XCard  
Configuration #2  
Entrée avant => Sortie avant  
SUB XCard  
Entrée arrière => Sortie arrière  
Entrée sub => Sortie sub  
FRO NT XCard  
REAR XCard  
– 43 –  
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Configuration #3  
Entrée avant => Sortie avant  
Entrée arrière => Sortie arrière  
Entrée sub => Sortie sub  
SUB XCard  
FRO NT XCard  
REAR XCard  
(somme avant & arrière)  
Réglages  
d'usine  
Configuration #4  
(Entrée Sub Mono)  
Entrée avant => Sortie avant & arrière  
SUB XCard  
Entrée sub (gauche mono) => Sortie sub  
FRO NT XCard  
REAR XCard  
Configuration #5  
Entrée avant => Sortie avant & arrière  
SUB XCard  
Entrée sub => Sortie sub  
FRO NT XCard  
REAR XCard  
Configuration #6  
Entrée avants => Sortie sub, avant &  
SUB XCard  
arrière  
FRO NT XCard  
REAR XCard  
– 44 –  
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Bitte lesen Sie sich die folgende Bedienungsanleitung sorgfältig durch, dies  
kann Ihr Fahrzeug und das Produkt vor Beschädigung schützen.  
EINLEITUNG  
DerRF5.3xistein 5-KanalVerstärkermitvierStereo Kanälen und einem  
einzelnen gebrückten/mono Kanal, um ein anpaβbares “ein Verstärker”  
System, zu einem Konkurrenzlos günstigen Preis anzubieten. Dieses  
Handbuch enthält Informationen über die Installation und die  
Handhabung des Verstärkers und wir schlagen vor, daβ Sie dieses  
Handbuch an einem sicheren Ort aufbewahren, wo Sie es jederzeit  
wiederfinden.  
Wir raten Ihnen Ihren Verstärker nur von einem authorisierten Rockford  
Fosgate-Händler einbauen zu lassen, sollten Sie die Montage selber  
vornehmen, so lesen Sie sich diese Anleitung bitte sorgfältig durch.  
BENUTZEN DES SIGNAL NETZWERKES  
Das Schaltbare Signal Netzwerk erlaubt es, die Eingangssignale den  
verschiedenen Ausgangen optimal zuzuteilen. Die verschiedenen  
Stellungen der Schalter sind in den folgenden Beispielen dargestellt.  
Beispiel #1  
(Werkseinstellungen)  
Vordere Eingänge => Vordere Ausgänge  
SUB XCard  
Hintere Eingänge => Hintere Ausgänge  
Subwoofer (L Mono)  
FRO NT XCard  
Eingänge => Subwoofer Ausgänge  
REAR XCard  
Beispiel #2  
Vordere Eingänge => Vordere Ausgänge  
Hintere Eingänge => Hintere Ausgänge  
SUB XCard  
FRO NT XCard  
Subwoofer Eingänge => Subwoofer Ausgänge  
REAR XCard  
– 45 –  
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Beispiel #3  
Vordere Eingänge => Vordere Ausgänge  
SUB XCard  
Hintere Eingänge => Hintere Ausgänge  
Vorgere & Hintere Eingänge  
addiert => Subwoofer Ausgänge  
FRO NT XCard  
REAR XCard  
Werkseinstellungen  
Beispiel #4  
(Werkseinstellungen)  
Vordere Eingänge => Vordere & Hintere  
Ausgänge  
Subwoofer (L Mono)  
SUB XCard  
FRO NT XCard  
REAR XCard  
Eingänge => Subwoofer Ausgänge  
Beispiel #5  
Vordere Eingänge => Vordere & Hintere  
Ausgänge  
Subwoofer Eingänge => Subwoofer Ausgänge  
SUB XCard  
FRO NT XCard  
REAR XCard  
Beispiel #6  
Vordere Eingänge => Vordere, Hintere &  
SUB XCard  
Subwoofer Ausgänge  
FRO NT XCard  
REAR XCard  
– 46 –  
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Leggere le seguenti istruzioni per l'installazione del prodotto. Evitare di seguire  
le istruzioni potrebbe risultare pericoloso per Voi e per il vostro veicolo.  
IN TRO D U ZIO N E  
RF 5.3x é un amplificatore a cinque canali di cui 4 stereo ed uno  
ponticellato mono che permette di realizzare un sistema con un  
“singolo amplificatore” ad un prezzo competitivo. Il manuale fornisce  
molte informazionisulfunzionamento e sulle caratteristiche delRF5.3x  
e vi suggeriamo di conservarlo per un prossimo impiego.  
Raccomandiamo inoltre di farvi installare il vostro nuovo amplificatore  
da un installatore autorizzato Rockford Fosgate. Se decidete diprocedere  
da soli, assicuratevi di aver letto l'intero manuale prima di procedere.  
IMPIEGARE LA RETE DI SELEZIONE DEGLI INGRESSI  
La rete di selezione degli ingressi permette al segnale RCA di essere  
diretto alle uscite in molti modi distinti. La posizione di entrambi i  
selettori stabilisce la configurazione adottata. I selettori possono  
essere configurati nei modi seguenti:  
Configurazione #1  
(Ingresso sub mono)  
Ingressi anteriori => Uscite anteriori  
Ingressi posteriori => Uscite anteriori  
SUB XCard  
Ingressi Subwoofer (LMono) => Uscite Subwoofer  
FRO NT XCard  
REAR XCard  
Configurazione #2  
Ingressi anteriori => Uscite anteriori  
SUB XCard  
Ingressi posteriori => Uscite anteriori  
Ingressi Subwoofer => Uscite Subwoofer  
FRO NT XCard  
REAR XCard  
– 47 –  
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Configurazione #3  
Ingressi anteriori => Uscite anteriori  
Ingressi posteriori => Uscite anteriori  
Ingressi anteriore &  
SUB XCard  
FRO NT XCard  
REAR XCard  
posteriore sommati => Uscite Subwoofer  
Configurazione  
originale  
Configurazione #4  
(Ingresso sub mono)  
Ingressi anteriori => Ingressi anteriori  
& posteriori  
Ingressi Subwoofer (LMono) => Uscite Subwoofer  
SUB XCard  
FRO NT XCard  
REAR XCard  
Configurazione #5  
Ingressi anteriori => Ingressi anteriori  
& posteriori  
Ingressi Subwoofer => Uscite Subwoofer  
SUB XCard  
FRO NT XCard  
REAR XCard  
Configurazione #6  
Ingressi anteriori => Ingressi anteriori,  
SUB XCard  
posteriori & subwoofer  
FRO NT XCard  
REAR XCard  
– 48 –  
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M ADE IN THE USA  
This product is designed, developed and assembled in the USA by a dedicated  
group of American workers. The majority of the components used in the  
construction of this product are produced by American companies. However, due  
to the global nature of their manufacturing facilities and the electronics parts  
industry in general, some parts may be manufactured in other countries.  
Rockford Fosgate  
Rockford Corporation  
546 South Rockford Drive  
Tempe, Arizona 85281 U.S.A.  
In U.S.A., (602) 967-3565  
In Europe, Fax (49) 4207-801250  
In Japan, Fax (81) 559-79-1265  
11/96  
MAN-1381-A  
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