Re: Variable gain preamp anyone?


Simon
 

I have tried this before..12-4v via lm317.

From 12-( circa) 5.5v no real difference in gain, prehaps imd.

From 5.5-circa 4v it does make alot of difference. Switching off circa 4v at t.

This was with the loop amp sold by ccw about 5 months ago..

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