Rolls Car Amplifier PM55 User Manual

l o u d  
INTRODUCTION  
. . . a n  
- B r o  
- L i v  
- S t u  
Thank you for your purchase of the PM55 Stereo Personal Monitor  
Amplier. This unit is a unique device for monitoring ones self and  
program material at the same time. It has a monitor level control  
and a mic level control, a mic pass-through XLR jack, earphone  
and headphone output jacks, and a switchable stereo/mono 1/4"  
monitor input jack.  
The PM55 is designed for performers who need to monitor their  
own signal, such as their vocals, with the main mix. It has become  
very popular with drummers who need to mix a click track with a  
monitor signal. Church choir singers love the PM55 to monitor their  
voices over the musicians. And many sound technicians use the  
PM55 as a quick line tester to troubleshoot audio systems.  
e r s o n a l P M M o  
The PM55 features all these benets in a convenient battery-pow-  
ered package.  
P M  
DESCRIPTION  
lift gnd  
MIC  
MIC  
IN  
MONITOR  
IN  
MIC THRU: XLR jack paralleled  
(hard-wired) to the MIC INPUT  
jack for pass-through to a mixer  
or other input device.  
THRU  
POWER  
ster  
mon  
lift/gnd: Header jumper for con-  
necting or disconnecting the XLR  
ground (pin 1) to cassis ground.  
The PM55 is congured at the  
factory with pin 1 connected to  
ground.  
MIC INPUT: XLR balanced jack  
for connection to a condenser or  
dynamic microphone.  
PERSONAL  
MONITOR AMP  
9 - 15  
+
VDC  
PM55  
MIC  
MONITOR  
LEVEL  
LEVEL  
pwr  
PHONES  
PM55 Personal Monitor Amplier  
The PM55 is an essential monitoring tool for studio or live  
applications. It allows you to mix a mic signal and a monitor signal  
and hear them via headphones.  
MONITOR INPUT: 1/4" TRS  
stereo jack for connection to a line source such as a mixer monitor/  
auxiliary output, cassette player output, CD player output etc.  
POWER: This button turns the PM55 on and off.  
BATTERY: Compartment for 9 Volt (alkaline preferred) battery.  
stereo/mono: Header jumper to congure the Monitor input for TRS  
stereo or TS mono operation. The PM55 is congured at the factory  
in stereo mode.  
• XLR Mic In & Pass Through  
• Ground lift on XLR signal  
• Stereo/Mono 1/4" Monitor Input  
9 - 15 VDC: For connection to the Rolls PS27 AC power adapter.  
PHONE OUTPUTS: One 1/4" TRS stereo headphone output, one  
1/8" TRS stereo earphone output.  
pwr: Indicates the PM55 is on.  
MIC LEVEL: Adjusts the level of signal coming from the MIC IN-  
PUT.  
• Headphone and earphone outputs  
• Battery or AC operation  
• Lots of output level, it's loud.  
MONITOR LEVEL: Adjusts the level of the incoming signal from the  
Monitor Input.  
SPECIFICATIONS  
Max Input Level:  
Input Impedance:  
-20 dB XLR, 40 dB monitor  
600 Ohm Mic,  
22k Ohm Monitor  
10 Ohms  
15 dB 1/4", 50 dB XLR  
50 - 20 kHz  
90 dB  
9 - 15 VDC  
3" x 2.5" x 1.25"  
(7.6 x 6 x 3.2 cm)  
1 lb (.45 Kg)  
Output Impedance:  
Gain:  
Bandwidth:  
S/N Ratio:  
Power:  
SCHEMATIC  
To view the PM55 schematic, visit our website at www.  
rolls.com.  
Size:  
Weight:  
PM55 MONITOR  
WARRANTY  
For information on the Rolls One Year Limited Warranty, and  
to register this product, visit our website at www.rolls.com  
Rolls Corporation  
Salt Lake City, UT  
09/08  
6
4
75889 05055  

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