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In Reply to: EL34 and KT88 are pin compatible? posted by mbnx01 on August 23, 2015 at 11:05:43:
If the bias is adjusted (grid) then you need to cut back a bit to run EL34 on an amp biased for KT-88s.
If the amp is Cathode Self Bias then you MIGHT be fine depending on the voltage being run on the plates.
I has a Jolida back in the day and did a modification to the (grid) bias adjustment in order to widen the range so I could run either.
Preferred the NOS Amperex EL-34's but others might not agree.
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Follow Ups
- the bias is different... - Ivan303 11:20:46 08/23/15 (1)
- AND you need a connection on pin 1... - JJ Triode 16:21:11 08/23/15 (0)