Infinity service manual Contents, Basic Specifications PS28 Powered Subwoofer

PS series PS28 subwoofer

- CONTENTS -

BASIC SPECIFICATIONS …………………..……………..1

DETAILED SPECIFICATIONS…………………..……….…..2

PACKAGING……………….……………………….…....….…4

CONTROLS AND CONNECTIONS…………..…….………..5

OPERATION….……………………………………………..….7

EXPLODED VIEW/PARTS LIST …………….….…....……8

TEST SET UP AND PROCEDURE………………..…....……9

BLOCK DIAGRAM…………………………..………….…..…10

TROUBLESHOOTING FLOW CHART………………..........12

ELECTRICAL PARTS LIST (120v) ………………………….13

PCB DRAWINGS……………….……………………………..17

SEMICONDUCTOR PINOUTS……….……………….……..21

SCHEMATICS (120v)………………………………………...22

Basic Specifications

PS28 Powered Subwoofer

Frequency Response:	35Hz – 150Hz (±3dB)
Maximum Amplifier Output:	150 Watts RMS (20Hz – 150Hz, with ≤ 0.1% THD)
	300 Watts Peak
Crossover Frequency:	50Hz – 150Hz, 24dB/octave, continuously variable
Driver:	8" (200mm)
Dimensions (H x W x D):	17-7/8" x 10-5/8" x 16-1/2" (454mm x 270mm x 419mm)
Weight:	31.7 lb (14.4kg)

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.

1