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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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In Reply to: Thanks! posted by JoshT on July 1, 2017 at 12:33:31:
the gain stage of the preamp (it feeds the headphone stage) you could try later production short plate 12au7's from the Mullard Blackburn plant as they tend to stay quiet if properly tested/screened.
They are usually under $100/matched pair.
The ones I use are from the late 60's/early 70's and they are typically branded with the Amperex Orange World/Globe label.
Brente Jesse sells them, for certain, but other tube vendors may have them as well.
In my preamp/system they are similar in sound to the older long plate versions.
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Follow Ups
- If you are experiencing micro phonics with the 12au7(s) used in... - DeKay 13:36:26 07/01/17 (4)
- RE: If you are experiencing micro phonics with the 12au7(s) used in... - JoshT 12:49:23 07/02/17 (3)
- And... a PS to my post below... - DeKay 17:14:54 07/02/17 (1)
- Yeah, it was as you said, a bad tube in the gain stage - JoshT 22:04:05 07/02/17 (0)
- Yes, your pics are of LP's... - DeKay 17:02:59 07/02/17 (0)
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