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Re: ECC83 as a substitute for 5751

ECC83/12AX7 and 5751 have somewhat different specifications. I believe the 5751 was actually designed as a 9 pin form of the 6SL7, and reportedly has somewhat less distortion than a typical 12AX7, but I wouldn't be surprised if that reversed for a given sample of each tube. The two tubes have sometimes been swapped for each other but it's probably anyone's guess as to how they will do in a given circuit. I'm talking about NOS here, it may be that the Sovtek is really a relabeled 12AX7, in which case you may well be better off trying other 12AX7s.


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  • Re: ECC83 as a substitute for 5751 - JimL 11:58:31 08/09/06 (0)


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