High Quality simple unit No need for a preamplifier
Parts: R1,R4________47K 1/4W
Resistors R2________4K7 1/4W
Resistor R3_________1K5 1/4W
Resistor R5________390R 1/4W
Resistor R6________470R 1/4W
Resistor R7_________33K 1/4W
Resistor R8________150K 1/4W
Resistor R9_________15K 1/4W
Resistor R10________27R 1/4W
Resistor R11_________500R 1/2W
Trimmer Cermet R12,R13,R16__10R 1/4W
Resistors R14,R15___220R 1/4W
Resistors R17_________8R2 2W
Resistor R18__________R22 4W
Resistor (wirewound) C1__________470nF 63V
Polyester Capacitor C2____________30pF 63V
Polystyrene Capacitor C3,C5______470µF 63V
Electrolytic Capacitors C4,C6,C8,C11_100nF 63V
Polyester Capacitors C7__________100µF 25V
Electrolytic Capacitor C9__________10pF 63V
Polystyrene Capacitor C10_________1µF 63V
Polyester Capacitor Q1-Q5______BC560C 45V 100mA
Low noise High gain PNP Transistors Q6_________BD140 80V 1.5A PNP
Transistor Q7_________BD139 80V 1.5A NPN
Transistor Q8_________IRF532 100V 12A N-Channel Hexfet
Transistor Q9_________IRF9532 100V 10A P-Channel Hexfet Transistor
