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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: Recommend driver for SE KT88 posted by Pabloaguas on September 12, 2023 at 12:34:36:
If you had the right output transformer... any transformer manufacturer could make one for you.
I've done this in some smaller amps and its worked quite well. If the tap is placed properly you get triode linearity. I think there is merit to this since KT88s are easier to get, are easier to drive and you'll be able to run the amp with less likelihood of hum from the filament circuit.
Regarding driving the tube- a 6SN7 section will do that nicely if AC coupled and class A1. If you are planning class A2 or A3 then you'll need some driving current in the driver- a cathode follower direct coupled to the tube will work very well but you'll need a B- supply to make it work. A 6Sn7 will still work very well for that.
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Follow Ups
- You could run that tube in ultralinear mode - Ralph 09:56:29 09/14/23 (25)
- RE: You could run that tube in ultralinear mode - Tre' 13:33:14 09/14/23 (24)
- RE: You could run that tube in ultralinear mode - Best audiotransformers 11:59:34 08/22/24 (0)
- you would short stroke the driver in an UL amp and never - elblanco 20:14:09 09/20/23 (1)
- RE: you would short stroke the driver in an UL amp and never - Tre' 08:09:08 09/21/23 (0)
- Ultralinear patent - Ralph 14:00:22 09/14/23 (20)
- RE: Ultralinear patent - Tre' 14:32:20 09/14/23 (19)
- RE: Ultralinear patent - tube wrangler 17:32:51 09/15/23 (2)
- There is merit and validity in what Dennis says here, Sigh, nothing beats empirical knowledge!~nT - Cleantimestream 10:30:35 10/29/23 (0)
- Dennis, this guy is looking for you - Tre' 19:56:18 09/16/23 (0)
- RE: Ultralinear patent - Ralph 08:00:47 09/15/23 (6)
- RE: Ultralinear patent - Tre' 14:39:39 09/15/23 (4)
- RE: Ultralinear patent - Ralph 08:23:01 09/27/23 (3)
- these UL curves, from your link, are the same as the ones I posted. - Tre' 09:35:55 09/28/23 (1)
- RE: these UL curves, from your link, are the same as the ones I posted. - Ralph 09:57:51 09/28/23 (0)
- RE: Ultralinear patent - grindstone 20:13:30 09/27/23 (0)
- 40% Just what Acro claims is optimum - Tre' 13:32:19 09/15/23 (0)
- tung sol 6550 UL plate curves at the recommended 40% tap - Tre' 15:58:19 09/14/23 (0)
- From a Acro pamphlet on UL operation showing different tap values - Tre' 15:22:58 09/14/23 (7)
- Circling back to the OP - Pabloaguas 12:19:33 09/18/23 (6)
- RE: Circling back to the OP - Paul Joppa 22:06:29 09/20/23 (1)
- RE: Circling back to the OP - PakProtector 09:01:18 11/20/23 (0)
- Try the Russian 6E6P or perhaps the 6E5P - coronadope 14:41:58 09/18/23 (2)
- RE: Try the Russian 6E6P or perhaps the 6E5P - coronadope 14:50:36 09/18/23 (1)
- RE: Try the Russian 6E6P or perhaps the 6E5P - Tre' 17:18:43 09/18/23 (0)
- RE: Circling back to the OP - Tre' 13:50:14 09/18/23 (0)
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