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Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ.

RE: My New DIY Passive Preamplifier

It actually sounds more transparent than a previous passive unit that I built in 1988. I moved up to a 10K TKD pot with a resistor trick, and an Elma selector switch. Wiring is dead soft bare silver with Wondersolder. Closer to the idea of a "straight wire with gain", but also closer to showing all of the "warts" that exist in many digital recordings and CDs. I have a 9.5 KOhm input impedance, and am feeding an amplifier with a 120KOhm input impedance.


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