Circuit Amplifier L8063 50 W
This 50 watt audio amplifier based L8063
circuit diagram is simple and easy to build. Input can be from radio, TV or your mp3 player device.
This circuit has a phono input for a record player, guitar, microphone or other un-amplified source. This circuit can also be for a subwoofer
amplifier, of course, by adding an active crossover circuit subwoover before input.
R1 : 200 Ohm 1 / 4 W Resistor
R2 : 200K 1 / 4 W Resistor
R3 : 30K 1 / 4 W Resistor
R5 : 1K 1 / 4 W Resistor
R6 : 5K 1 / 4 W Resistor
R7, R10 : 1 Meg (5%) 1 / 2 W Resistor
R8, R9 : 0.4 Ohm 5 W Resistor
R11 : 10K Pot
R12, R13 : 51K 1 / 4 W Resistor
R14 : 47K 1 / 4 W Resistor
C1 : 100uF 35V Electrolytic Capacitor
C2 : 0.011uF Capacitor
C3 : 3750pF Capacitor
C4, C6 : 1000pF Capacitor
C5, C7, C8 : 0.001uF Capacitor
C9 : 50pF Capacitor
C10 : 0.3uF Capacitor
C11, C12 : 10.000 uF 50V Electrolytic Capacitor
U1, U2 : Op Amp 741
U3 : ICL8063 Audio Amp Transister Driver thingy
Q1 : 2N3055 NPN Power Transistor
Q2 : 2N3791 PNP Power Transistor
BR1 : 250 V 6 Amp Bridge Rectifier
T1 : 50V Center Tapped 5 Amp Transformer
S1 : SPST 3 Amp Switch
S2 : DPDT Switch
F1 : 2 Amp Fuse
SPKR1 : 8 Ohm 50W Speaker
MISC : Case, Knobs, Line Cord, Binding Posts Or Phono Plugs