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SET Asylum Single Ended Triodes (SETs), the ultimate tube lovers dream. |
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SET Asylum Single Ended Triodes (SETs), the ultimate tube lovers dream. |
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In Reply to: RE: How to use the 4P1L posted by drlowmu on September 13, 2014 at 08:29:16:
No need to apologise , just listen to some friendly advice for a change :)
I'd suggest building that amp as 6AH4 then maybe try 4P1L in future , octal/loctal sockets usually have similar dimensions and the biasing is very similar . It should just drop in with a different fil supply , I doubt AC will be quiet enough . 4P1L has a wimpy filament and as a result , can be microphonic but damping the chassis and running the fils under rated voltage helps . You'll get about 1.8 watts with a very nice first watt with a 4-5k OPTX . 12AY7 is a nice driver for 4P1L
Al
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Follow Ups
- RE: How to use the 4P1L - Al Noakes 10:10:42 09/13/14 (12)
- RE: How to use the 4P1L - drlowmu 08:40:47 09/15/14 (11)
- 4P1L schematic - andy evans 03:28:31 09/16/14 (10)
- Its getting worse !! - drlowmu 08:58:52 09/16/14 (9)
- I don't think so at all.... - andy evans 18:55:14 09/16/14 (8)
- RE: I don't think so at all.... - drlowmu 09:46:11 09/17/14 (7)
- What's smart 845? - andy evans 10:20:32 09/17/14 (6)
- RE: What's smart 845? - smart845 09:35:41 09/19/14 (0)
- Who - Tre' 17:37:20 09/17/14 (4)
- I thought Who was on first base..... ? - andy evans 06:13:22 09/18/14 (3)
- I don't know. - Tre' 10:37:52 09/18/14 (2)
- RE: I don't know. - smart845 09:57:32 09/19/14 (1)
- RE: I don't know. - andy evans 08:32:22 09/20/14 (0)
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