Jbl gsub 10 service manual

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50310

Single 10" Floorstanding Powered
Subwoofer System G Series Loudspeaker

JBL Consumer Products Inc.
80 Crossways Park West
Woodbury, NY. 11797
1-800-336-4JBL in the USA

H A Harman International Company

Part No.:1112-JBLGSUB10
Reformafled for PDF 3/99

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Powered Subwoofer JBL GSUB10

TABLE OF CONTENTS

Features ........................................................................... 1 Parts Lists ........................................................................ 7

Specifications .................................................................. 2 Packaging Exploded View .............................................. 9

Powered Sub Test Setup... ...3 Packaging Parts List .....

QA Procedure .................................................................. 3 P. C. Boards ...................................................

Block Diagram ................................................................. 4 Schematic Diagram ..................................................... 12

Amplifier Exploded View ................................................. 5

Cabinet Assembly Exploded View .................................. 6

FEATURES

I ALC circuit to protect driver. Automatic Level Control is I User friendly auto off and on. Signal sensing auto
incorporated to regulate the maximum voltage to the shut-off/turn-on automatically puts the amplifier into
speaker. This prevents driver from being damaged and stand-by mode, effectively turning the subwoofer off and on
ensures years of service. so you dont have to.

I Adjustable crossover frequency and subwoofer output I Multicolor LED indicator

levels allow a perfect sound match to your speakers
I Red signifies stand-by mode. The subwoofer is not receiving
I Polarity switch allows normal and reverse polarity for any signal source. NOTE: The amplifier will go into the
proper acoustic summation of your system regardless ol stand-by mode after a period of 3 to 5 minutes 01 no signal.
subwoofer placement.
I Green signifies that it is receiving signal and the amplifier is on.
I Line level and speaker level inputs and speaker level
outputs allow easy integration into your system.

JBL continually strives to improve its products New materials, production methods and design refinements
are introduced into existing models without notice as a routine expression of our design philosophy. For
this reason, PS Series loudspeakers may differ in some respect from their published specifications and
descriptions, but will always equal or exceed the original specifications unless otherwise stated.