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Questions about tubes and gear that glows. FAQ

Woah, hold your horses there, Jim!

The Audio Regenesis power supply for the ST-35 is (or soon will be) available with Dave Gillespie's EFB circuit. If the poster is wise enough to buy the EFB board, the tubes will bias at 27 mA instead of the 35 mA of the stock circuit.

I installed the EFB mod in a Dynaco SCA-35, and you had no hesitation selling me a quad of Gold Lion EL-84's, along with a quad of 6P14P. The 6P14P are great tubes, but I must admit that I prefer the sound of the Gold Lions.

If the original poster would clarify which bias system he's going to use, your recommendations may change.

And to the original poster, if you're not getting the EFB bias system, you're making a mistake, in my opinion. You don't HAVE to get the Audio Regenesis version. The EFB is an easy mod to do on your own. But just look at the improvements offered. The information below is for an SCA-35, but the results with the ST-35 are exactly the same. Your amp will sound better, put out more power, with less distortion, and your tubes will last a lot longer too!







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