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dynaco ST-70

2017-12-23 07:28  
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Tube Power amp. Dynaco ST-70

Dynaco_ST-70.gif (14685 bytes)

Part List

R1= 220KohmsR9-10= 2.2KohmsC2-3-4= 100nF 630V
R2-22-23= 100KohmsR11-12= 27KohmsC5= 2X22uF 550V
R3= 1.2KohmsR13-14= 120KohmsV1=ECC83
R4= 47 ohmsR15-16= 1KohmsV2=ECC82
R5= 1KohmsR17-18= 15 ohms 2WV3-4=EL34
R6= 47KohmsR19-20= 100 ohmsT1= Audio Transformer
R7= 33Kohms 2WR21= 8.2Kohms 2W
R8= 1MohmsC1= 47....100pF 1000V ceramic



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