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Klipsch Subwoofer Amplifier Service Manual KSAMM-002a
TABLE OF CONTENTS
SPECIFICATIONS .......................................................................................................................................2
Model: SW12-I ...........................................................................................................................................2
Model: SW15-I ...........................................................................................................................................2
THEORY OF OPERATION ....................................................................................................................... 3
INPUTS ...................................................................................................................................................... 3
SIGNAL CONDITIONING ......................................................................................................................... 3
COMPRESSION ......................................................................................................................................... 3
DRIVER CIRCUIT ..................................................................................................................................... 3
OUTPUT .................................................................................................................................................... 3
OTHER FEATURES ................................................................................................................................... 4
ALIGNMENT PROCEDURES .................................................................................................................. 5
Model: SW12-I .......................................................................................................................................... 5
Model: SW15-I .......................................................................................................................................... 6
TROUBLE SHOOTING GUIDE................................................................................................................ 7
SW12 PARTS LIST...................................................................................................................................... 9
SW15 PARTS LIST.................................................................................................................................... 12
SCHEMATICS ........................................................................................................................................... 15
Model: SW12-I ........................................................................................................................................ 15
Model: SW15-I ........................................................................................................................................ 18
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Klipsch Subwoofer Amplifier Service Manual KSAMM-002a
Specifications
Model: SW12-I
Input Sensitivity for max Rated Output: Line input 60mVrms @ 30Hz.
Speaker input 700mVrms @ 30Hz.
Maximum Rated Output: 150 Watts into 8 ohms.
Max. Hum: 3.5mV @ 60Hz.
Max. Distortion: 4% At Full Rated Output.
Freq Response: 27 to 120Hz +0/-3dB w/12dB per Octave Rolloff.
Bass Boost: +6dB Boost @ 30Hz.
Low Pass Crossover: Variable from 40 - 120 Hz.
24 dB/Octave slope above 120 Hz.
High Pass Crossover: Line outputs fixed at 80 Hz, 6dB/Octave slope.
Speaker outputs fixed at 120 Hz, 6dB/Octave slope.
Model: SW15-I
Input Sensitivity for Max Rated Output: Line input 33mVrms @ 30Hz.
Speaker input 900mVrms @ 30Hz.
Maximum Rated Output: 200 Watts into 4 ohms.
Max. Hum: 3.5mV @ 60Hz.
Max. Distortion: 4% At Full Output.
Freq Response: 27 to 120Hz +0/-3dB w/12dB per Octave Rolloff.
Bass Boost: +6dB Boost @ 30Hz.
Low Pass Crossover: Variable from 40 - 120 Hz.
24 dB/Octave slope above 120 Hz.
High Pass Crossover: Line outputs fixed at 80 Hz, 6dB/Octave slope.
Speaker outputs fixed at 120 Hz, 6dB/Octave slope.
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