Echo circuit diagram

Echo circuit diagram:

This is the Echo circuit diagram for the amplifier. it’s a mono pre-amplifier. it’s needed for the microphone section. this circuit runs with 12 voltages. 

Component list:   P1+P2+P5+P6+P7+P8=104. P3+P4=470. P9+P10=2n2. V1=20k. C1=47uf/50v. C2=1uf/50v. R1=22k. R2=4k7. R3+R4+R6+R7=10k. R5=15k. R8=220/2w. Z1=5.1v. 

transistor circuit diagram of 2sa1943 and 2sc5200

Build a Transformer or construct the transformer. Home Theater Circuit Diagram 5.1

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