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I plan on replacing the 6DJ8 (original tubes) driver tubes in my Counterpoint SA 100.
Since these are driver tubes I assume tat NOS is not needed. Any suggestions would be welcome. Thanks
Don't rule out the Genalex reissue 6922s just because they aren't old stock. They are very good tubes, readily available, and have a warmer tone that is similar to some of the older Amperex/Mullard stuff.
What are the current driver and signal tubes you have in there?
"I know just enough to get into trouble. But not enough to get out of it."
They are the original tubes that came with the amp and are unmarked . I'm guessing eastern European from the 90's
Seems like my SA12 originally came with some Chinese made tubes and then shortly after that Counterpoint switched over to using some Czech made tubes (I suspect they were Tesla). Once Counterpoint made the switch, so did I and it was good step up in sound quality.
Last time I checked only "driver" grade were in stock and they were more than reasonably priced.
Back in late 1980's I bought a new SA12 and later had it upgraded to an SA100, and then again to the NP100 status by Alta Vista. Unless you want to chase increasingly sketchy and expensive NOS, I'd highly recommend the JJ 6922's. Make sure to pay for selected and tested ones. Been a while since I've bought any, but you should probably expect to pay ~$30 each for them plus shipping. The JJ's have a neutral tonal presentation that is very reminiscent of the Tele 6922, IMO.
If you want to chase NOS, DAK's recco of the Amperex is a good one. You may also want to add Siemens 7308 to your list for more sparkle and punch. Amperex 7308's are nice too, but I had a predilection to the Siemens in my old Counterpoint.
I dunno about that. Anyway, you can't go wrong with Amperex made in Holland. I like the "A frame" type more than the others. But, NOS, might be the better way to go whether you get Amperex or some other brand.
You shouldn't discount the impact of driver tubes. It was the driver tubes in a very modest amp that got me started tube rolling and eventually collecting.
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