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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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In Reply to: Re: 2A3 pp OT posted by drlowmu on October 22, 2005 at 08:14:58:
I've used Scott LK72, Eico HF20, Dynaco ST70 outputs with Sovtec 6B4Gs with very good results. On a ST70 chassis I was able to get 28watts out of a pair of 6B4Gs biased at 450v 50 ma for, yes that's right, 22 watts on each plate. It sounded great and I ran it like that for a few months then switched to a new design for 18 watts on the plates.A person can get good results from 4300 to 6600 with little to worry about. There are many vintage junk units for a person to work with.
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Follow Ups
- Re: 2A3 pp OT - Scholl 08:42:05 10/22/05 (13)
- 6B4 in an ST-70 - zacster 16:25:19 10/22/05 (11)
- Re: 6B4 in an ST-70 - YES - YES - YES - stellavox 07:12:11 10/24/05 (8)
- 6B4 in an ST-70 - YES - YES - YES --- ALSO HAVE TO TRY THE SLAGLE AUTOTRANSFORMER ATTENUATOR - stellavox 16:25:49 10/24/05 (0)
- Re: 6B4 in an ST-70 - YES - YES - YES - zacster 09:23:18 10/24/05 (6)
- You really need to do this :) - Jim Doyle 13:30:18 10/24/05 (5)
- Comments on : You really need to do this :) - stellavox 16:21:46 10/24/05 (1)
- You really do need a separate filament supply - Jim Doyle 17:37:17 10/24/05 (0)
- Thanks, Jim. - zacster 14:34:10 10/24/05 (1)
- 13W at 430V, 9W at 370V - Jim Doyle 15:48:34 10/24/05 (0)
- bypass may still be beneficial - Joel Tunnah 14:29:39 10/24/05 (0)
- Re: 6B4 in an ST-70 - Scholl 06:01:57 10/23/05 (1)
- Re: 6B4 in an ST-70 - zacster 09:26:56 10/24/05 (0)
- Re: 2A3 pp OT - andy evans 10:05:59 10/22/05 (0)
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