Note:
- Transistor Q3 and Q4 must be in pairs with the heatsink.
- Use a well regulated and filtered power supply.
- Connect a 10K POT in series with the input as volume control if you need.Not shown in circuit diagram.
List Component:
- R1 1 200 Ohm 1/4 W Resistor
- R2 1 200K 1/4 W Resistor
- R3 1 30K 1/4 W Resistor
- R5 1 1K 1/4 W Resistor
- R6 1 5K 1/4 W Resistor
- R7,R10 2 1 Meg (5%) 1/2 W Resistor
- R8,R9 2 0.4 Ohm 5 W Resistor
- R11 1 10K Pot R12,R13 2 51K 1/4 W Resistor
- R14 1 47K 1/4 W Resistor
- C1 1 100uF 35V Electrolytic Capacitor
- C2 1 0.011uF Capacitor
- C3 1 3750pF Capacitor
- C4,C6 2 1000pF Capacitor
- C5,C7,C8 3 0.001uF Capacitor
- C9 1 50pF Capacitor
- C10 1 0.3uF Capacitor
- C11,C12 2 10,000uF 50V Electrolytic Capacitor
- U1,U2 2 741 Op Amp
- U3 1 ICL8063 Audio Amp Transister Driver thingy
- Q1 1 2N3055 NPN Power Transistor
- Q2 1 2N3791 PNP Power Transistor
- BR1 1 250 V 6 Amp Bridge Rectifier
- T1 1 50V Center Tapped 5 Amp Transformer
- S1 1 SPST 3 Amp Switch S2 1 DPDT Switch
- F1 1 2 Amp Fuse
- SPKR1 1 8 Ohm 50W Speaker