Infinity Alpha 37C Center Speaker
Contents
1. Qo Infinity ALPHA SPEAKER SYSTEM Owner s Guide Alpha 37c Infinity Alpha Series The Alpha 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 The Alpha 37c is the perfect center channel loudspeaker to complete any home theater system UNPACKING THE SPEAKER If you suspect damage from transit report it immediately to your dealer Keep the shipping carton and packing materials for future use PLANNING YOUR SYSTEM Placement For best results the Alpha 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 Infinity Alpha 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 the TV that the speaker will be placed on top of 2 While keeping the front of the speaker facing forward lift and place the Alpha 37c on top of the TV 3 Connect the speaker as described in this owner2. hen by applying power to into terminals 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 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 CARE OF Y OUR SP EAKER receiver to confirm connection procedures The Alpha 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 SPECIFICATIONS Alpha 37c Frequency Range 45Hz 22 000Hz 3dB Recommended Amplifier Power Range 10 150 watts Sensitivity 2 83V Q 1 meter 91dB spl Nominal Impedance 80 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 x W x D 9 x23 x 12 1 2 229mm x 584mm x 318mm Weight 32 Ib 14 6kg Infinity con
3. s guide 4 You may now turn on the TV ALPHA 37c This overhead view shows a typical home theater plan Left Surround Channel omo O Left Front Channel Center Right Channel Front Channel T Couch Infinity Subwoofer optional Right Surround Channel Slide rod down the desired amount Wiring diagram shows polarity connections for one channel of a stereo or home theater system IMPORTANT Make sure all equipment is turned off before Receiver or Alpha Center making any connections Amplifier a rear view 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 one channel shown NOTE If desired consult your local Infinity dealer about speaker wire and connection options IMPORTANT DO NOT reverse polarities i e to or to FIGURE 3 Speaker Wire when making connections Doing so will cause poor imaging and The Alpha 37c diminished bass response No Marking Marking features color coded terminals This Red example shows the Badae f Pe most common way e FINAL AD USTMENTS of connecting Loosen Terminal G lt speaker wireby 9 Aid Check the speakers for playback first by setting the system directly inserting Tighten Terminal volume control to a minimum level and t
4. tinually 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 We Declaration of Conformity CE 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 Wnfinity apie H A Harman International Company 2002 Harman International Industries Incorporated 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 Robin Marshall Harman Consumer International Chateau du Loir France 9 02
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