Harman JBL BASS20, Руководство по обслуживанию

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1
Powered Subwoofer BASS20
TABLE OF CONTENTS
Specifications .................................................................1
Features..........................................................................1
Powered Sub Test Setup...............................................2
Test Procedure...............................................................3
Important Service Note ..................................................4
Block Diagram ................................................................5
Amplifier Exploded View ................................................6
Cabinet Assembly Exploded View.................................7
Parts Lists.......................................................................8
Packaging View............................................................10
Printed Circuit Boards .................................................11
Integrated Circuit Diagram ...........................................13
Schematic Diagrams ...................................................14
SPECIFICATIONS
Amplifier Power (RMS) . . . . . . . 150 Watts
Low Frequency Woofer (2) . . . . . . 8 1/2"
Design. . . . . . . . . . . . . Bass reflex enclosure, Grey or White
Inputs . . . . . . . . . . . . . Line Level and Speaker Level
Outputs . . . . . . . . . . . . Full Range Speaker
Crossover Frequency . . . . . . . . 120Hz
Frequency Response . . . . . . . . 40Hz - 120Hz (+/-3dB)
External Dimensions (Inches)
Height .
. . . . . . . . . . . . 17-3/4"
Width . . . . . . . . . . . . . 10"
Depth . . . . . . . . . . . . . 24"
External Dimensions (mms)
Height .
. . . . . . . . . . . . 451
Width . . . . . . . . . . . . . 254
Depth . . . . . . . . . . . . . 610
Weight. . . . . . . . . . . . . 42lbs (19.1kg)
FEATURES
n
The Bass20 powered subwoofer is part of the SCS120 or
MUSIC 20 System.
n 150 watt output.
n
Variable level control.
n
Line level or Speaker level inputs, outputs for full range
satellite speakers.
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
continual use of the power switch.