Features; Test Procedure - JBL BASS550 Service Manual

Powered Subwoofer
n The Bass550 powered subwoofer is part of the ESC550
System.
n Amplifiers for five satellite speakers and subwoofer.
n 100 watt output.
n
Variable level control.
Equipment needed:
n The "Source" AM/FM turner/CD player w/ remote control.
n Function/signal generator/sweep generator.
n
Multimeter.
n Cable - Phono plugs (RCA) and speaker cables.
n RCA Y-cable
All manuals and user guides at all-guides.com
BASS550 POWERED SUBWOOFER TEST SETUP

TEST PROCEDURE

FEATURES

n Line level input exclusively from the "Source".
n User friendly "auto on" circuit. Signal sensing
automatically turns the subwoofer on so you don't have
to; the subwoofer is meant to be left "on" without
continually using the power switch.
Subwoofer, General Function
1) Connect both right and left phono jack (RCA) inputs
to signal generator and the "Source" Tape/Aux. input
jacks. Use Y-cable if necessary from mono source.
2) Connect Bass550 subwoofer to the "Source" with
supplied 13 pin Din cable.
BASS550
2