Infinity Beta SW-12, Preliminary Service Manual, Page: 2 / 38

- CONTENTS -
BASIC SPECIFICATIONS …………………………………….…….……………..1
DETAILED SPECIFICATIONS ……………..……………………………….…..2
CONTROLS AND CONNECTIONS…………………………………….…..………..4
OPERATION….……………………………………………………………………..….6
BASS OPTIMIZATION SYSTEM…………………………………….……...………..7
EXTERNAL/MECHANICAL PARTS LIST …………….………………....……8
BLOCK DIAGRAM…………………………..…………………………………..…..…9
ELECTRICAL PARTS LIST (120v) ………………………………………………….10
ELECTRICAL PARTS LIST (230v) ………………………………………………….15
PCB DRAWINGS……………….…………..……………….…………………..….…20
SEMICONDUCTOR PINOUTS…………………………………….………….……..29
SCHEMATICS (120v)……………………………………………...………………...30
SCHEMATICS (230v)……………………………………………...………………...34
Basic Specifications
SW-12 Powered Subwoofer
Frequency Range: 28Hz – 150Hz (±3dB)
Max Amplifier Output: 500 watts RMS
Low-Frequency Driver: 12" (305mm) C.M.M.D.
Crossover Frequency: 50 -150 Hz ( 24dB/octave, continuously variable )
Dimensions (H x W x D):
16-3/4" x 14-7/8" x 19-7/8"
(425mm x 378mm x 505mm)
Weight: 45 lb (20.5 kg)
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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