Parts ConneXion carries Sonic Frontiers. I'd suggest getting in touch with Chris there. He should know.
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could it be 6H23P-EB? the lettering looks a bit like this: http://www.thetubestore.com/Tubes/6922-E88CC-Tube-Types/6H23n-EB-6922 wierd looking "P if so - but maybe that's the Russian way |
could it be 6H23P-EB?Yes, it could. The 6H23 is an exact replacement for the 6DJ8/6922/7308 family of tubes. You have lots of choices for replacement tubes. http://www.upscaleaudio.com/vacuum-tubes/preamp-tubes/6922-6dj8-7308-pcc88/ Here's a good read about tubes and the SF Line 1 Preamp: https://forum.audiogon.com/discussions/nos-tubes-for-sonic-frontiers-line-1 |
The P in the tube types referenced above is often used as an English keyboard equivalent for the 17th letter of the Cyrillic alphabet which looks a lot like the "pi" symbol. or like an inverted letter U. If it was a bit smudged, it could easily look like 6H2311. I'm quite sure that's what you have, a 6dj8/6922/ECC88 equivalent. |