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RE: 6SN-7's

Chuck, You wrote, "I am still curious as to whether I would need to replace the whole string or whether there would be any benefit to replacing just some of them." The answer depends upon what "benefit" you seek. If the existing output tubes are nearing the end of their useful lives, you'd best replace them all in one fell swoop. If you perceive that one tube or more than one is noisy, then you'd need to do some experimentation to identify the culprits and replace them specifically. But to the general notion that replacing one pair of tubes at random in a 14-tube output stage would have some aural benefit, like bypassing an electrolytic capacitor with a good film capacitor, nix on that, IMO.


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  • RE: 6SN-7's - Lew 07:51:55 01/05/15 (0)

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