3
Powered Subwoofer
BASS15/16
TEST PROCEDURE
Equipment Needed:
n
Function generator/signal generator/sweep generator
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Integrated Amplifier
n
Multimeter
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Speaker cables
UUT = Unit Under Test
General Function
1. Connect two pairs of speaker cables to high level input terminal on UUT. Cables should be co
Driver Function
1. Remove one or both drivers from cabinet; and - wire clips.
2. Check DC resistance of driver.
Bass15 should be approximately 5.5 ohms.
Bass16 should be approximately 5.8 ohms.
3. Connect a pair of speaker cables to driver terminals. Cables should be connected to an integrated amplifier fed
by a signal generator. Turn on generator and adjust so that speaker level output is 5.0V.
4. Sweep generator from 20Hz to 1kHz. Listen to driver for any rubbing, buzzing or other unusual noises.
SERVICE NOTE (120v Version only)
Even though the Bass15 and 16 seem to have an on/off power switch, in fact the switch does not switch
the main power off to the amp assembly, even in the OFF position. All AC and DC voltages within the
amplifier are still active, so for safety concerns the AC power cord should be unplugged before any
servicing begins.
Summary of Contents for BASS15
Page 5: ...4 Powered Subwoofer BASS15 16 BASS 15 120v US Version BLOCK DIAGRAM...
Page 6: ...5 Powered Subwoofer BASS15 16 BASS 16 120v US 230v European Versions BLOCK DIAGRAM...
Page 7: ...6 Powered Subwoofer BASS15 16 BASS 15 AMPLIFIER EXPLODED VIEW...
Page 8: ...7 Powered Subwoofer BASS15 16 BASS 16 120v version AMPLIFIER EXPLODED VIEW...
Page 9: ...8 Powered Subwoofer BASS15 16 BASS 16 230v version AMPLIFIER EXPLODED VIEW...
Page 10: ...9 Powered Subwoofer BASS15 16 BASS 15 16 SPEAKER CABINET ASSEMBLY EXPLODED VIEW...
Page 15: ...1 4 Powered Subwoofer BASS15 16 BASS 15 16 PACKAGING VIEWS SCS115 MUSIC15...
Page 16: ...1 5 Powered Subwoofer BASS15 16 BASS 15 PRINTED CIRCUIT BOARDS TOP VIEW...
Page 17: ...1 6 Powered Subwoofer BASS15 16 BASS 15 PRINTED CIRCUIT BOARDS BOTTOM VIEW...
Page 18: ...1 7 Powered Subwoofer BASS15 16 BASS 16 PRINTED CIRCUIT BOARDS TOP VIEW...
Page 19: ...1 8 Powered Subwoofer BASS15 16 BASS 16 PRINTED CIRCUIT BOARDS BOTTOM VIEW...
Page 20: ...1 9 Powered Subwoofer BASS15 16 INTEGRATED CIRCUIT DIAGRAM...
Page 21: ...2 0 Powered Subwoofer BASS15 16 BASS 15 120v US Version SCHEMATIC DIAGRAM...
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Page 33: ...2 2 Powered Subwoofer BASS15 16 BASS 16 230v European Version SCHEMATIC DIAGRAM...
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