EV - Here's a relevant discussion that includes comments by Almarg. It might be more helpful than the one I originally had in mind.
https://forum.audiogon.com/discussions/good-impedance-match-for-precision-fidelity-c-7ar
AND here's a link to the first discussion that I was remembering:
https://forum.audiogon.com/discussions/passive-tubed-pre-amps-to-power-amp-at-same-time
Hope these are of some use.
https://forum.audiogon.com/discussions/good-impedance-match-for-precision-fidelity-c-7ar
AND here's a link to the first discussion that I was remembering:
https://forum.audiogon.com/discussions/passive-tubed-pre-amps-to-power-amp-at-same-time
Hope these are of some use.