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In Reply to: RE: Mullard CV4004 with different labels posted by Mechans on October 18, 2015 at 09:09:40:
The label says 12AX7 CV49 RB/D. There's more but it's worn off. I just compared the plates on it to the plates on the CV4004-labeled tubes I have and they're quite different.The thing is, I use these tubes in pairs and this one is a backup so at some point this tube will be on one channel with one of the other tubes on the other channel.
Edits: 10/18/15
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Follow Ups
- different plates too - ggking7 09:33:48 10/18/15 (5)
- RE: different plates too - Al Noakes 11:45:29 10/18/15 (4)
- Do they sound the same? - ggking7 12:39:34 10/18/15 (3)
- RE: Do they sound the same ? - Interstage Tranny 14:30:19 10/18/15 (2)
- RE: Do they sound the same ? - Al Noakes 02:00:36 10/19/15 (1)
- RE: Low noise spec? - DAK 13:37:30 10/19/15 (0)