Any help with GE Nos 6L6 tubes question?

  • Thread starter Thread starter adrianher
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adrianher

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Hi there, I’ve recently bought “2x paired” 6l6 NOS General Electric tubes (7581A) to replace in my Soldano avenger.

The P.V is 472vdc, so making the calculations that bias king manual says I’ve to bias the amp to 31,66 ma (reading of the bias king)

The problem is that I get the followings readings on each tube (from left to right):
32mA, 35mA, 42mA and 27mA.

What do you suggest me to do? Do you think I must return the tubes?

Thanks for help!
Adrian
 
Yeah, that one at 42 is really throwing things off.
 
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