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Whether you need 2 or 4 matched depends on the application. For example, I ...

...use four matched 7591's in my Scott 299c but I would use 2 matched 12au7's in my preamp. Not all apllications require matched tubes; within 20 - 25% seems to work just fine in my pre. Valve and tube are the same.


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  • Whether you need 2 or 4 matched depends on the application. For example, I ... - PureAudio 10:42:44 01/26/04 (0)


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