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In Reply to: Marconi Long-plate D-getter 12ax7 posted by b9ronaldo on July 28, 2005 at 08:38:17:
Looks to me like these are famous black-plate RCA 12AX7's from the 1950's, judging from their appearance. Canadian Marconi sold tubes procured from various sources. They sound fine. They can be easily had for less than $10 a piece NOS, and may cost slightly more if they have original boxes.
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- Re: Marconi Long-plate D-getter 12ax7 - mnaka7 04:19:56 07/29/05 (0)