Infinity Alpha 37c Manuel utilisateur

Owner’s Guide

•Alpha 37c

ALPHA™SPEAKER SYSTEM

2ALPHA 37c

InfinityAlpha™Series

TheAlpha Series of loudspeakers continues Infinity’s

longstanding commitment to accurate sound reproduction.

Our patented Ceramic Metal Matrix Diaphragm™(C.M.M.D.)

drivers,precision dividing networks and rigid,heavily braced

enclosures combine to deliver uncompromised performance

in any stereo or multichannel home theater system.TheAlpha 37c

is the perfect center channel loudspeaker to complete any home

theater system.

If you suspect damage from transit,report it immediately to

your dealer.Keep the shipping carton and packing materials

for future use.

Placement

For best results,theAlpha 37c should be placed on top

of,or directly below,the television and aimed toward the

listening area (see Figure 1).

The terminal cup has an adjustable foot to angle the speaker

toward the listening position (see Figure 2).

An Important Note for Proper Installation

The InfinityAlpha 37c is magnetically shielded.When placing it

directly on top of a television,please follow the simple installation

guidelines below to prevent any interference with your television

picture.

1. Turn off theTV that the speaker will be placed on top of.

2. While keeping the front of the speaker facing forward,lift and

place theAlpha 37c on top of theTV.

3. Connect the speaker as described in this owner’s guide.

4. You may now turn on theTV.

UNPACKING THE SPEAKER

PLANNING YOUR SYSTEM

Couch

Left

Front

Channel

Left

Surround

Channel

Right

Surround

Channel

Right

Front

Channel

Center

Channel

Infinity

Subwoofer

(optional)

FIGURE 1– This overhead view shows a typical

home theater plan.

FIGURE 2

– +

INPUT

– +

INPUT

Loosen thumbscrew.

Slide rod down

the desired amount.

Tighten thumbscrew.

ALPHA 37c

IMPORTANT:Make sure all equipment is turned off before

making any connections.

For speaker connections,use a minimum #16-gauge 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,receiver or television to the respective +(red)

terminal on each speaker,as shown in Figure 3.Similarly,

connect the –(black) terminals in the same way.Also,see the

owner’s guides that were included with your amplifier or

receiver to confirm connection procedures.

WIRING THE SYSTEM

Red = +

Black = –

❶Loosen Terminal

❷ Insert

Bare End;

Tighten Terminal

Speaker Wire

Marking = +No Marking = –

Receiver or

Amplifier

(rear view)

Alpha Center

redblack

(one channel shown)

–

FINAL ADJUSTMENTS

CARE OF YOUR SPEAKER

FIGURE 3

TheAlpha 37c

features

color-coded

terminals.This

example shows the

most common way

of connecting

speaker wire by

directly inserting

into terminals.

FIGURE 4– Wiring diagram shows polarity connections for

one channel of a stereo or home theater system.

IMPORTANT:DO NOT reverse polarities (i.e.,+ to – or – to +)

when making connections.Doing so will cause poor imaging and

diminished bass response.

Check the speakers for playback first by setting the system

volume control to a minimum level,and then by applying power to

your audio system.Following the directions provided with your

receiver/processor,adjust the center channel volume so that it

matches the output of the left and right speakers.

TheAlpha 37c’s enclosure has a wood-vinyl finish that does not

require any routine maintenance.When needed,use a soft cloth,

dampened with water only,to remove any fingerprints or dust.

Clean the grille by gentle vacuuming.

NOTE: Do not use any cleaning products or polishes on the

enclosure or grille.

Alpha 37c

Frequency Range: 45Hz – 22,000Hz (±3dB)

RecommendedAmplifier Power Range: 10 – 150 watts

Sensitivity (2.83V @ 1 meter):91dB spl

Nominal Impedance: 8Ω

Crossover Frequency: 500Hz,3000Hz;24dB/octave

Low-Frequency Drivers: Dual 6-1/2" (165mm) C.M.M.D.,magnetically shielded

Mid-Frequency Driver: 5-1/4" (133mm) C.M.M.D.,magnetically shielded

High-Frequency Driver: 1" (25mm) C.M.M.D.,magnetically shielded

Dimensions (H xW x D):9" x 23"x 12-1/2"(229mm x 584mm x 318mm)

Weight: 32 lb (14.6kg)

SPECIFICATIONS

250 Crossways Park Drive,Woodbury,NY 11797 USA 800.553.3332 (USA Only)

www.infinitysystems.com

Infinity is a registered trademark of Harman International Industries,Incorporated.

Ceramic Metal Matrix Diaphragm (C.M.M.D.) patent nos.6,327,372 and 6,404,897.

Printed in USA 9/02 Part No.350581-001

Declaration of Conformity

We, Harman Consumer International

2, route de Tours

72500 Chateau-du-Loir

France

declare in own responsibility, that the product described

in this owner’s manual is in compliance with technical

standards:

EN 50081-1:1992

EN 50082-1:1997

Robin Marshall

Harman Consumer International

Chateau-du-Loir, France. 9/02

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.

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