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Old 10-03-2009, 09:37 PM   #1563 (permalink)
MartyStrat54
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Re: Preamp Tubes? - Who, What, When, Where, Why, and How?

RATT...

Did the testing on the RFT 7025A. Mine read 18-17. So it is on its last leg. I mean it could go for a while until the heaters go. Once they get down to numbers like this, it is hard to estimate what the gain factor is. I'm thinking in the 5751 range, or about 70.

Might work fine in V1 for a smoother sound.
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