50 WATT RMS AUDIO AMPLIFIER

50 WATT RMS AUDIO AMPLIFIER

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

other circuit