18W Class-B Audio Amplifier with Tone Controls

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Yönetici
Yönetici
ClassBTone.png
Parts:
P1______________50K Log. Potentiometer (or 47K)
(twin concentric-spindle dual gang for stereo)
P2______________20K Linear Potentiometer (or 22K)
(twin concentric-spindle dual gang for stereo)
P3_____________100K Linear Potentiometer
(twin concentric-spindle dual gang for stereo)

R1_____________820R 1/4W Resistor
R2______________68R 1/4W Resistor
R3_______________1K8 1/4W Resistor
R4______________10K 1/4W Resistor
R5_______________1K 1/4W Resistor
R6,R7__________100R 1/4W Resistors
R8_____________330R 1/4W Resistor
R9______________47R 1/2W Resistor

C1_______________1µF 63V Polyester Capacitor
C2______________33pF 63V Polystyrene or Ceramic Capacitor
C3______________10nF 63V Polyester Capacitor
C4,C5____________1nF 63V Polyester Capacitors
C6_____________120nF 63V Polyester Capacitor
C7______________22nF 63V Polyester Capacitor
C8,C10_________220nF 63V Polyester Capacitors
C9______________22µF 25V Electrolytic Capacitor
C11,C12________220µF 25V Electrolytic Capacitors

IC1__________NE5534 Low noise Single Op-amp

Q1____________BD440 60V 4A PNP Transistor
Q2____________BD439 60V 4A NPN Transistor

J1______________RCA audio input socket
 
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