Cascade Speaker System 3C User Manual

CASCADE  
INFINITY CASCADE SPEAKER SYSTEMS  
Owner’s Guide  
Model Five  
Model Seven  
Model Nine  
Model Three V  
Model Three C  
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Home Theater  
PLACEMENT  
For front-channel use, place one speaker on the left and another on the  
right, along either side of the television monitor. Since the speakers are  
magnetically shielded, you can place them near the TV without worrying  
about the magnetic field distorting the TV picture.  
Stereo  
Before deciding where to place your Cascade speakers, survey your room  
and think about placement, keeping the following points in mind and  
using Figure 1 as a guide:  
For surround-channel use, place speakers on bookshelves or stands  
alongside the listening position. Final placement depends on room  
acoustics, availability of space and your listening preference  
(Figures 2 and 3).  
• For best results, place the speakers 6' – 8' (1.5m – 2.5m) apart.  
• Position each speaker so that the tweeter is approximately at ear level.  
• Generally, bass output will increase as the speaker is moved closer to a  
wall or corner.  
In 6- or 7-channel configurations, place the rear channel(s) behind the  
listening position, as shown in Figures 2 and 3.  
• Refer toHome Theaterif you also plan to use the speakers for home  
theater reproduction.  
NOTE: An Infinity powered subwoofer will add impact and realism to both  
music and film soundtracks. Contact your Infinity dealer for recommenda-  
tions on subwoofer models for your application.  
Infinity Subwoofer  
(optional)  
Left  
Front  
Channel  
Right  
Left  
Channel  
Right  
Channel  
Front  
Channel  
Center  
Channel  
Listening Position  
Couch  
Figure 1. Experiment with speaker placement to obtain the best  
bass level and stereo imaging in your room.  
Left  
Surround  
Channel  
Right  
Surround  
Channel  
Left Rear  
Channel  
Center Rear  
Channel  
Right Rear  
Channel  
Figure 2.This overhead view shows a typical home theater plan.  
Left/right rear channels are for a 7-channel system. Center  
rear channel is for a 6-channel system.  
(optional)  
Right Rear  
Channel  
Left Rear  
Channel  
Center Rear  
Channel  
Figure 3.This figure shows an alternate layout, which may be  
more suitable for some rooms. Left/right rear channels are for a  
7-channel system. Center rear channel is for a 6-channel system.  
3
CASCADE SPEAKER SYSTEMS  
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Model Nine and Model Seven  
ASSEMBLY  
1. Remove floor  
It is strongly recommended that two people assemble the speakers  
to minimize the possibility of damage or injury.  
stand from carton.  
2. Slide loud-  
speaker onto  
Installing Spiked Feet (Model Nine and Model Seven)  
stand, making  
sure the aligning  
posts are lined up  
with the receiver  
terminal cup.  
1. Open spike kit and locate the following items: feet (with spike/round  
ends), four locking nuts, four nylon domes and one wrench.  
2. Lay each stand on its side and locate the four threaded holes on the  
bottom of the base.  
3. For carpets, screw the round end of a foot into each hole and fully hand-  
tighten a nut onto each one. For hard-surface floors, screw the spike end  
into each hole instead and leave the rounded end exposed.  
4. Carefully flip each base upright to sit on its feet.  
5. If needed, adjust the feet so each speaker is level and then tighten each  
nut with the enclosed wrench.To protect hard surfaces (e.g., wood floors),  
slip a nylon dome onto each round end.  
3. Insert #8 pan-  
head screw into  
rear of speaker to  
secure to stand.  
SEE DETAIL  
A
Note: Spiked feet must be fully threaded into holes provided in the base  
to ensure stability.  
Locking Nut  
DETAIL  
A
5/8"  
5/8" min.  
1-1/8" max.  
Foot  
Round End  
Spike End  
Model Three V  
Nylon Dome  
(included for use  
on wood floors)  
1. Remove base from carton.  
2. Securely fasten one cleat to  
the middle set of holes  
on the rear of the speaker  
using two included  
CARPETED  
FLOORS  
HARD-SURFACE  
FLOORS  
This cross section shows how to install the spikes onto the bottom of a  
Cascade Model Nine and Model Seven.  
1/4"-20 panhead screws.  
3. Slide speaker with  
cleat over the base.  
+
+
Model Five  
1. Remove base  
from carton.  
2. Securely fasten one cleat  
to the set of holes above  
the terminal using two  
included 1/4"-20  
panhead screws.  
3. Slide speaker  
with cleat over  
the base.  
+
+
4
CASCADE SPEAKER SYSTEMS  
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Attaching the Grilles  
WALL-MOUNTING  
The Cascade loudspeakers use a unique frameless grille. Each end of the  
grille cloth contains a magnet. Simply curl the magnet assembly behind  
the grille cloth, place one end of the grille just above the tweeter and  
then gently pull the grille taut, attaching the other end of the grille just  
below the woofer.  
NOTE: The customer is responsible for the correct selection and use of  
mounting hardware (available through hardware stores) that will ensure  
the proper and safe wall-mounting of the speakers.  
Model Three V, Model Three C, Model Five  
1.Attach  
wall bracket  
to wall  
at desired  
location.  
Model Three C  
Model Five  
Model Three V  
2. Securely fasten the  
two cleats to the rear  
of the speaker, using  
the outermost holes,  
using two included  
1/4"-20 panhead  
screws per cleat.  
+
+
3. Carefully slide the  
cleats on the rear  
of the speakers  
over the tabs  
of the wall  
bracket.  
wall  
5
CASCADE SPEAKER SYSTEMS  
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WIRING THE SYSTEM  
IMPORTANT: Make sure all equipment is turned off before making any  
connections.  
For speaker connections, use a high-quality speaker wire with polarity  
coding.The side of the wire with a ridge or other coding is usually  
considered positive polarity (i.e., +).  
NOTE: If desired, consult your local Infinity dealer about speaker wire and  
connection options.  
To ensure proper polarity, connect each + terminal on the back of the  
amplifier or receiver to the respective + (red) terminal on each speaker,  
as shown in Figure 4. Connect the (black) terminals in a similar way.  
See the owner’s guides that were included with your amplifier or receiver  
and television to confirm connection procedures.  
IMPORTANT: Do not reverse polarities (i.e., + to or to +) when  
making connections. Doing so will cause poor imaging and diminished  
bass response.  
Figure 5.This example shows how to connect bare wires to the  
terminals. Banana plugs may also be inserted directly into the rear  
of the connector.  
Figure 4.This figure shows how to connect bare wires to the terminals.  
Figure 6.Wiring diagram shows polarity connections for one channel  
of a stereo or home theater system.  
6
CASCADE SPEAKER SYSTEMS  
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FINAL ADJUSTMENTS  
BI-WIRING  
Check the speakers for playback, first by setting the system volume con-  
trol to a minimum level, and then by turning on the power of your audio  
system. Play a favorite music or video segment and increase the system  
volume control to a comfortable level.  
The outer connection panel and internal dividing network of the Cascade  
loudspeakers are designed so that separate sets of speaker cables can  
be attached to the low-frequency transducer and midrange/high-  
frequency transducer portions of this dividing network.This is called  
bi-wiring. Bi-wiring can provide several sonic advantages and  
considerably more flexibility in power amplifier selection.  
NOTE: You should hear balanced audio reproduction across the entire  
frequency spectrum. If not, check all wiring connections or consult  
the authorized Infinity dealer from whom you purchased the system.  
The amount of bass you hear and the stereo-image quality will be affected  
by a number of different factors, including the room’s size and shape,  
the construction materials used to build the room, the listener’s position  
relative to the speakers, and the position of the speakers in the room.  
Listen to a variety of music selections and note the bass level. If there is  
too much bass, move the speakers away from nearby walls. Conversely, if  
you place the speakers closer to the walls, there will be more bass output.  
Nearby reflecting surfaces can adversely affect stereo-imaging quality. If  
this happens, try angling the speakers slightly inward toward the listening  
position until the optimum effect is achieved.  
CARE OF YOUR SPEAKER SYSTEM  
Each Cascade Series enclosure has a finish that does not require any  
routine maintenance.When needed, use a soft cloth to remove any finger-  
prints or dust from the enclosure.  
Figure 7.  
NOTE: Do not use any cleaning products or polishes on the cabinet  
or grille.  
Single-Stereo Amplifier  
If a problem occurs, make sure that all connections are properly made  
and clean. If a problem exists in one loudspeaker, reverse the connection  
wires to the left and right system. If the problem remains in the same  
speaker, then the fault is with the loudspeaker. If the problem appears in  
the opposite speaker, the cause is in another component or cable. In the  
event that your subwoofer ever needs service, contact your local Infinity  
center near you.  
IMPORTANT: Please attach your sales receipt to this manual and store it  
in a safe place. In the event that your Infinity speaker requires warranty  
service, you will need to provide your sales receipt.  
Figure 8.  
Dual-Stereo Amplifier  
Figure 9.  
7
CASCADE SPEAKER SYSTEMS  
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SPECIFICATIONS  
Model Nine  
Model Seven  
Model Five  
Frequency Response:  
80Hz – 20kHz ( 3dB)  
100Hz – 20kHz ( 3dB)  
100Hz – 20kHz ( 3dB)  
40kHz ( 6dB)  
40kHz ( 6dB)  
40kHz ( 6dB)  
Recommended  
Amplifier Power Range:  
10 – 150 Watts  
87dB  
10 – 100 Watts  
85dB  
10 – 150 Watts  
85dB  
Sensitivity:  
(2.83V @ 1 meter)  
Nominal Impedance:  
Crossover Frequency:  
Mid-Bass Driver(s):  
8 Ohms  
8 Ohms  
8 Ohms  
1,500Hz; 24dB/octave  
1,800Hz; 24dB/octave  
1,800Hz; 12dB/octave  
Dual 7-3/4" x 3-3/8"  
(197mm x 85mm) CMMD®,  
magnetically shielded  
7-3/4" x 3-3/8"  
7-3/4" x 3-3/8"  
(197mm x 85mm) CMMD®,  
magnetically shielded  
(197mm x 85mm) CMMD®,  
magnetically shielded  
High-Frequency Driver:  
1" (25mm) CMMD,  
magnetically shielded  
1" (25mm) CMMD,  
magnetically shielded  
1" (25mm) CMMD,  
magnetically shielded  
Dimensions (H x W x D):  
(with grille)  
47" x 10-1/2" x 11-1/2"  
(1194mm x 267mm x 292mm)  
47" x 10-1/2" x 11-1/2"  
(1194mm x 267mm x 292mm)  
22-1/2" x 5-1/2" x 5-1/2"  
(572mm x 140mm x 140mm) Wall-mounted  
30-1/4" x 7-3/4" x 8-1/2"  
(768mm x 197mm x 216mm) On included base  
Weight:  
28.2 lb (12.8kg)  
24.7 lb (11.2kg)  
13.5 lb (8kg) Wall-mounted  
20.5 lb (9.3kg) On included base  
Model Three V  
Model Three C  
Frequency Response:  
80Hz – 20kHz ( 3dB)  
80Hz – 20kHz ( 3dB)  
40kHz ( 6dB)  
40kHz ( 6dB)  
Recommended  
Amplifier Power Range:  
NA  
10 – 150 Watts  
87dB  
Sensitivity:  
87dB  
(2.83V @ 1 meter)  
Nominal Impedance:  
Crossover Frequency:  
Mid-Bass Driver(s):  
8 Ohms  
8 Ohms  
1,500Hz; 24dB/octave  
1,500kHz; 24dB/octave  
Dual 7-3/4" x 3-3/8"  
(197mm x 85mm) CMMD®,  
magnetically shielded  
Dual 7-3/4" x 3-3/8"  
(197mm x 85mm) CMMD®,  
magnetically shielded  
High-Frequency Driver:  
1" (25mm) CMMD,  
magnetically shielded  
1" (25mm) CMMD,  
magnetically shielded  
Declaration of Conformity  
Dimensions (H x W x D):  
(with grille)  
30" x 5-1/2" x 5-1/2"  
(762mm x 140mm 140mm) Wall-mounted  
36-5/8" x 7-3/4" x 8-1/2"  
5-1/2" x 30-3/4" x 6"  
(140mm x 781mm x 152mm)  
We, Harman Consumer Group International  
2, route de Tours  
(930mm x 197mm x 216mm) On included base  
72500 Chateau du Loir  
France  
Weight:  
18 lb (15kg) Wall-mounted  
18 lb (15kg)  
26 lb (11.8kg) On included base  
declare in own responsibility that the products described  
in this owner’s manual are in compliance with technical  
standards:  
Infinity continually strives to update and improve existing products, as well as create new ones.The specifications and  
construction details in this and related Infinity publications are therefore subject to change without notice.  
EN 61000-6-3:2001  
EN 61000-6-1:2001  
Laurent Rault  
Harman Consumer Group International  
Chateau du Loir, France 8/05  
© 2005 Harman International Industries, Incorporated.All rights reserved.  
Infinity Systems, 250 Crossways Park Drive,Woodbury, NY 11797 USA 516.674.4INF (4463) (USA only) www.infinitysystems.com  
Infinity, Harman International and CMMD (patent nos. 6,327,372 and 6,404,897) are trademarks of Harman International Industries, Incorporated, registered in the United States and/or other countries.  
Cascade, Maximum Radiating Surface and Constant Acoustic Impedance (patent pending) are trademarks of Harman International Industries, Incorporated.  
Part No. 819001082001 8/05  
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