Amplifier parts:
R1–6K8 1W
Resistor R2,R4_____________470R 1/4W
Resistors R3__________________2K 1/2W
Trimmer Cermet R5,R6_______________4K7 1/2W
Resistors R7________________220R 1/2W
Resistor R8__________________2K2 1/2W
Resistor R9_________________50K 1/2W
Trimmer Cermet R10________________68K 1/4W
Resistor R11,R12______________R47 4W Wirewound
Resistors C1,C2,C4,C5________47΅F 63V
Electrolytic Capacitors C3________________100΅F 25V
Electrolytic Capacitor C6_________________33pF 63V
Ceramic Capacitor C7_______________1000΅F 50V
Electrolytic Capacitor C8_______________2200΅F 63V Electrolytic Capacitor (See Notes) D1_________________LED Any type and color
D2________Diode bridge 200V 6A
Q1,Q2____________BD139 80V 1.5A NPN Transistors
Q3_____________MJ11016 120V 30A NPN Darlington Transistor (See Notes)
Q4_____________MJ11015 120V 30A PNP Darlington Transistor (See Notes)
SW1_______________SPST Mains switch
F1__________________4A Fuse with socket
T1________________220V Primary, 48-50V Secondary 75 to 150VA Mains transformer (See Notes) PL1_______________Male Mains plug
SPKR______________One or more speakers wired in series or in parallel Total resulting impedance: 8 or 4 Ohm Minimum power handling: 75W
Bass, Treble, Harmonic modifier and Brightness controls
Output power: 40W on 8 Ohm and 60W on 4 Ohm loads
Circuit Guitar Tabs
P1,P2______________10K Linear Potentiometers
P3_________________10K Log. Potentiometer
R1,R2______________68K 1/4W Resistors
R3________________680K 1/4W Resistor
R4________________220K 1/4W Resistor
R5_________________33K 1/4W Resistor
R6,R16______________2K2 1/4W Resistors
R7__________________5K6 1/4W Resistor
R8,R21____________330R 1/4W Resistors
R9_________________47K 1/4W Resistor
R10_______________470R 1/4W Resistor
R11_________________4K7 1/4W Resistor
R12,R20____________10K 1/4W Resistors
R13_______________100R 1/4W Resistor
R14,R15____________47R 1/4W Resistors
R17,R18,R19_______100K 1/4W Resistors
C1,C4,C5,C6________10΅F 63V Electrolytic Capacitors
C2_________________47΅F 63V Electrolytic Capacitor
C3_________________47pF 63V Ceramic Capacitor
C7_________________15nF 63V Polyester Capacitor
C8_________________22nF 63V Polyester Capacitor
C9________________470nF 63V Polyester Capacitor
C10,C11,C12________10΅F 63V Electrolytic Capacitors
C13_______________220΅F 63V Electrolytic Capacitor
D1,D2____________BAT46 100V 150mA Schottky-barrier Diodes (see Notes)
Q1,Q3____________BC546 65V 100mA NPN Transistors
Q2_______________BC556 65V 100mA PNP Transistor
J1,J2___________6.3mm. Mono Jack sockets
SW1,SW2___________SPST Switches
