Power Amp OCL 35W with LM391

This is circuit Power Amp OCL 35W ,
Use IC LM391 and is a complete driver of power transistors.

Part
R1-3-5-8-10=1Kohm C1=2.2uF 63V TR1=10K Trimmer
R2-7-11=100Kohm C2=4.7uF 25V D1-2=IN4002
R4-6=4.7Kohm C3-17=47uF 63V IC1=LM391
R9-12=100ohm C4-8-9=1nF 100V MKT Q1=BD139
R13=47Kohm C5=47nF 100V MKT Q2=BD140
R14-15=0.15ohm 5W C6=22pF ceramic Q3=TIP2955
R16=1ohm 2W carbon 5% C7-11-12-13=100nF 100V MKT Q4=TIP3055
R17=10ohm 1W carbon 5% C10=22pF ceramic L1=See text

Read More Source : http://users.otenet.gr/~athsam/power_amplifier_35w_with_lm391.htm

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