Tube Power amp. Dynaco ST-70

Dynaco_ST-70.gif (14685 bytes)

Part List
R1= 220Kohms R9-10= 2.2Kohms C2-3-4= 100nF 630V
R2-22-23= 100Kohms R11-12= 27Kohms C5= 2X22uF 550V
R3= 1.2Kohms R13-14= 120Kohms V1= ECC83
R4= 47 ohms R15-16= 1Kohms V2= ECC82
R5= 1Kohms R17-18= 15 ohms 2W V3-4= EL34
R6= 47Kohms R19-20= 100 ohms T1= Audio Transformer
R7= 33Kohms 2W R21= 8.2Kohms 2W
R8= 1Mohms C1= 47....100pF 1000V ceramic

 

Sam Electronic Circuits 10/01