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In Reply to: Cryogenic treated vacuum tube posted by zzxzzy on April 21, 2007 at 03:02:36:
most of comercial cryo tubes like PEARL's Cryovalve and Tubeworld's KUHL tube are highly selected and special treated by the dealrs before being soaked into liquid nitrogen. Cryogenics is just part of the treatments to make those tubes to sound superior. Testings and selections of tubes are much more important than anything else.
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- Re: Cryogenic treated vacuum tube - edisonwu 04/23/0702:29:14 04/23/07 (0)