25 Watt Audio Amplifier Circuits Diagram 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___________ 330pF 63V Polystyrene Capacitor C3 ,C5 ________470µF 63V Electrolytic Capacitors C4 ,C6,C8,C11 _100nF 63V Polyester Capacitors C7___________100µ F 25V Electrolytic Capacitor C9____________ 10pF 63V Polys...