Does changing the driver tube affect the sound of the amplifier dramatically? I have a 300b SET amp the uses 12au7 tubes as the driver. Would changing these from the stock tubes to a better quality tube make a difference?
Agree wholly with Ncarv, from my experience with Jadis and Lamm amplifiers. As to whether the difference is an improvement, that's another, far more subjective, question that only your ears can answer.
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