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Original Message
The small circuit board
Posted by Cousin Billy on April 15, 2016 at 04:18:51:
Unless I'm mistaken, Ralph is liking the idea of a solid state constant current source. There are a great many plus'. Though I can't remember what they are?.
The biggest advantage, and this is huge, it frees up a 6SN7. Your M60 now has two input tubes, like the MA-1, I think?.
If I'm not mistaken, this drops distortion to really low levels.