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Pre-amplifier Identification

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roexile

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Can anyone see the pre-amp here, if there is any?

power amplifier.jpg
 

Since its an POWER Amplifier...i think the Pre-Amplifier should be connected externally.. the circuit has got an op-amp(probably LM-1875) an two Transistors (NPN or PNP) :)

Regards,
Santosh Kumar
 
there's no separate preamp. See schematic here:
**broken link removed**
 
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