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Very simple and useful circuit for amplify the stereo signals .The circuit
dissipates roughly 28 watts of heat, so a good heatsink is necessary. The chip should run cool enough to touch
with the proper heatsink installed .the circuit operates at 12 Volts at about 5 Amps at full volume. Lower volumes
use less current, and therefore produce less heat. R1 is also a 5% resistor.
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Component
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Value
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Qty
|
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Resistor [R1]
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39 K, ¼ W
|
01
|
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Capacitor [C1, C2]
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10 uF at 25 V
|
02
|
|
Capacitor [C3]
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100 uF at 25 V
|
01
|
|
Capacitor [C4]
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47 uF at 25 V
|
01
|
|
Capacitor [C5]
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0.1 uF at 25 V
|
01
|
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Capacitor [C6]
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2,200 uF at 25 V
|
01
|
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IC [U1]
|
TDA1554
|
01
|
Reference : " Zeus Electronics "
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Last
Updated : September 17, 2001