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Do It Yourself (DIY) paradise for tube and SET project builders.

RE: The lm317 is a constant voltage source

My phono pre, line stage, and mono-blocks all consist of LTPs with CCS "tails". Over the years that I've been perfecting these most of the sonic improvements have come from "improved" CCSs. To quote The Donald: They make for a "huuuge" difference. There are better alternatives out there for "tail" current sources (current sinks in this case) than the LM317. One place to start reading would be Walt Jung's Current Source 101 articles.


"It is better to remain silent and thought a fool, then speak and remove all doubt." A. Lincoln


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