Power Amp OCL 35W with LM391
This is circuit Power OCL Amplifier 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
Source : http://users.otenet.gr/~athsam/power_amplifier_35w_with_lm391.htm
Related Links
OCL amplifier hi fi circuit
Single chip amplifier circuit
More circuits use LM391
LM1875 Channel Stereo Power Amplifier 20 Watt
35W Amplifier BCL by TDA2030
Power Amplifier Class A 25W
Class B audio amplifier 15W by NE5532 transistor
Categories: Power Amplifier Tags: LM391, ocl amplifier
or 
