Master Electronics Repair !

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Monday, 4 February 2019

200 WATTS POWER AMPLIFIER CIRCUIT USING TRANSISTORS – FOR HOBBYISTS

200Watts power amplifier circuit using transistors – For Hobbyists

Transistor substitute
MPSA42 = BF422/BF423A
MSPA92 = NTA288 (PNP high voltage transistor)
Mains transformer = 35-0-35VAC 8Amps secondary – Torroid

Circuit diagram

Click on the circuit diagram to zoom in