BHK Pre - some pre-buy questions

[brett66]

BHK test and answer here:

BHK Preamp tube rolling

Johnny said Thanks B! Appreciate the help and the insight on CCS/cathode in regards to the differential circuit… Really hope the regulator can handle the increased load because the 6N6P sounds really good, just don’t want to leave it in without knowing long term effect… when looking around I did have on a short list the 12bh7, 6cg7/6fq7, 6gu7, etc… to try,… all of which can be bought cheap… comparatively speaking of course, and have suitable load lines… Best, Well, I took my p…

[davida]

Thanks guys…

[senna1a]

@davida if/when you pick up a BHK, I would love to compare notes at some point on some tubes, as it appears we have similar tastes.

[davida]

senna 1 a

Would be most happy to share my findings and compare notes with you
would be a lot of fun and educational for me…

If only though I could run some 12at7s with th BHK pre as I have quite a few
nos triple mica teles and siemens nos tungsols sylvanias all again are 12at7
variants…gain factor higher than 12au7s which could upset the BHK pre’s tonal
balance…or cause the BHK to be all too lively.

Am debating home trial …