SB-200 Power Supply

[James A. Sutherin]

The above amplifier is wired for 120volt. When I was bring the power
supply up using a variac, I noticed when the input voltage was 120 the
HV on the panel meter only read about 1800volts. The power supply cap's
had been changed by the previous owner to 100uf / 450 vdc cap's. I
realize the original cap's were 125uf. 450vdc. Is there anything I
should check to see why I'm only getting 1800 vdc instead of the 2400
+/- vdc.? Would having the 100uf cap's instead of the 125uf make that
much difference? 

 

 

Thanks 

Jim K8DHC

 

 

 

 


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