09-09-04: Aunest
go for it. your ears will let you now. i have alot of tube equipment. i change tubes all the time and i just listen to the sound,if ican hear that on tube is off. i try another. i admit i been told i have great hearing. go for it!
Aunest (Answers | This Thread)
09-11-04: Raquel
Hi Kal:
I had a lengthy conversation about this subject with one of the high end's more prominent tube equipment designers, and he said that, for line-level preamps, tube matching is generally not critical at all. He indicated that phono preamps with tube circuits can require a carefully chosen set of low-noise matched tubes, but that for other applications, the noise floor on small-signal tubes like those used in preamps is such that matching is definitely not necessary -- the only "matching" that is required is that they be culled for basic functionality within a general operating range.
Not to be cynical, but the micro-companies that manufacture the vast majority of the high-end tube gear make a good portion of their revenues from re-tubing sales -- my guess is that this is the best explanation for the advice in your SF owners' manual (SF, and now just Anthem, being a company that I otherwise have a lot of respect for, incidentally).
Raquel (Threads | Answers | This Thread)
01-21-13: Tbromgard
another thread about tube matching...sigh
Tbromgard (System | Reviews | Threads | Answers | This Thread)
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