I've used Chinese KT88s and Ei KT90s in a couple Eleven-As and they bias just finely. Never heard of an amp designed for 6550s that wouldn't bias KT88s...but what do I know? :-)
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KT-88 in Conrad Johnson Premier 11a
I read some discussion about replacing 6550 in Conrad Johnson Premier 11a by KT88 may/will tighten bass and improve overall midrange and treble performance.
I talked with CJ and they said they never tried KT-88 in 11a (well I really doubt it) and it may not be able to bias KT-88 in it at all.
I really would love to try KT-88 in my 11a but I need to make sure I can bias it correctly... Any one got experience in it?
Thanks
Andy
I talked with CJ and they said they never tried KT-88 in 11a (well I really doubt it) and it may not be able to bias KT-88 in it at all.
I really would love to try KT-88 in my 11a but I need to make sure I can bias it correctly... Any one got experience in it?
Thanks
Andy