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In Reply to: RE: Does that amp use both the 845 or the 211 tubes posted by deafbykhorns on June 16, 2025 at 11:38:25:
My amps are around 3yrs years old, but there is a big switch on the top plate to change between an 845 and 211. It comes with a pair of each from the factory, Shuguang tubes. It also comes with a pair of current Genelex 300B's.
I swapped out the 211 with a pair of GE's when I got the amps, and ran a pair of 90's WE300B's until one of them died. The WE300B's on the amps now are the current production version.
Running the GE VT-4C's, with the WE300B's bias is set to 60mA, I don't have a clue that things are amiss (as I have no idea how to even measure plate dissipation of the 211). I wanted to try the moly plate 211 and didn't want to spend that much for a pair of Elrogs, and so opted for the PSVane/Audionote UK 4242E's. The plates on the 4242E's are very thin - they replied that the max plate dissipation for them is 70watts. I've been using the WE300B and the GE VT-4C combo for years now, until the 4242E's.
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Follow Ups
- RE: Does that amp use both the 845 or the 211 tubes - Rocket_Powered 08:26:28 06/17/25 (2)
- Do you have a schematic? nt - Tre' 17:00:59 06/22/25 (1)
- RE: Do you have a schematic? nt - Rocket_Powered 10:09:37 06/23/25 (0)
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