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

RE: Tiny fractions of an ohm (nt)

"How many relays do you need?"

Ha, ha, as many as I can get! My next pre will have nine or 10 selector positions, so I have to double that for stereo unless the relays are double pole. Seriously, mercury relays probably aren't affordable for this use unless you're practically giving them away. Incidentally, I'm surprised more people haven't raised this issue (grounding unused inputs). Few manufacturers have bothered, but it really cuts down on crosstalk between live inputs. Heathkit was one of the few that included this functionality on their selector switches.



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