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In Reply to: RE: What's the story on 6H30 tubes? posted by airtime on February 26, 2017 at 16:22:10
"Luckily I don't need them."
:>D How much do you want to bet the overpriced replacements ARC sells are the same that Jim McShane offers? ;>) The stuff New Sensor currently makes is pretty darned good and, from a practical perspective, "the only game in town." Send that fellow with ARC equipment to Jim.
The situation is not too dissimilar to that of RCA 7189s and Russian EL84Ms. If you can get them, RCAs are obscenely expensive, while the Russian variant is reasonably priced, tough as all heck, and sounds good.
Pining over "unobtanium" is a waste of time and energy.
Edits: 02/26/17Follow Ups:
The poster also wanted to know if those tubes "fad" after a while.
My personal experience with smaller tubes is a hard driven tube starts to loose a little zip a few months before it becomes noisy.
Would a 6h30 in the ARC get tired?
ARC recommends the Sovtek 6H30s supplied in their Ref series of preamps be replaced at 4,000 hours. I replaced mine about that time, but they may have lasted longer.
I believe the NOS "super tube" DR version's life was rated to as high as 10,000 hours.
Victor's certainly the expert on the DR tube parameters.
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