Topic: U47 Tube Socket Restoration or Replacement? (Read 11113 times)

klaus · « **Reply #60 on:** July 14, 2023, 10:36:42 PM »

Unless contaminated, Prehs are perfectly fine and do not suffer loss of surface resistance over time.

I am curious about the high impedance resistor values you cite: U47 stock ones are 100MΩ and 60megΩ respectively.

DanDan · « **Reply #61 on:** July 16, 2023, 11:40:32 AM »

Thanks Klaus. My resistors appear to have changed in value quite a bit I guess. They are indeed measuring 130 and 68 Megs.

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Author Topic: U47 Tube Socket Restoration or Replacement? (Read 11113 times)

klaus

Re: U47 Tube Socket Restoration or Replacement?

DanDan

Re: U47 Tube Socket Restoration or Replacement?