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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: Jeff's low initial C PS ideas may not be entirely novel ... posted by drlowmu on April 20, 2007 at 06:29:32:
>So, it is thus: 2 EZ-81s, 37 mHY, 30 uF, off to output stage B+, 350 ohm R, 30 uF off to G2, and the rest of the integrated amplifier as R/C/R/C/R/C to various stages.>Whenever possible, I now AVOID any C input, even a teeinsy weeinsey one like a microfarad or so.
The circuit you describe installs nearly the full 30uF of capacitance as the filter's input element. The 37mH choke is virtually nonexistent as a reactive element at the ripple frequency. You're only fooling yourself with this misconception. Your equipment isn't better for it.
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Follow Ups
- Actually, it's just a bunch of hooey - Triode_Kingdom 08:20:21 04/20/07 (45)
- Re: Actually, it's just a bunch of hooey - Larry D. Moore 10:26:10 04/20/07 (1)
- Anybody can say that about anything... - Triode_Kingdom 11:28:18 04/20/07 (0)
- Re: Actually, it's just a bunch of hooey - dave slagle 10:20:40 04/20/07 (42)
- Thanks Dave Slagle and Larry D. Moore .... - drlowmu 13:31:13 04/20/07 (5)
- I have a question for you. - griboon 14:19:47 04/20/07 (4)
- Re: I have a question for you. - drlowmu 16:53:16 04/20/07 (3)
- It must be because... - griboon 17:16:48 04/20/07 (2)
- I find this much more potentially valid... - Triode_Kingdom 09:07:20 04/21/07 (1)
- Re: I find this much more potentially valid...yes I do not think - griboon 13:22:12 04/21/07 (0)
- I'm sure you're right, but that's not what I said. - Triode_Kingdom 11:20:04 04/20/07 (35)
- Henry's Flywheel - Ty 13:29:46 04/20/07 (0)
- Re: I'm sure you're right, but that's not what I said. - dave slagle 13:18:30 04/20/07 (33)
- Re: I'm sure you're right, but that's not what I said. - Triode_Kingdom 14:14:43 04/20/07 (32)
- Re: I'm sure you're right, but that's not what I said. - dave slagle 15:33:29 04/20/07 (3)
- Shunt capacitance - Triode_Kingdom 09:40:06 04/21/07 (2)
- Re: Shunt capacitance - dave slagle 11:04:44 04/21/07 (1)
- Re: Shunt capacitance - Triode_Kingdom 19:40:41 04/21/07 (0)
- Low DCR - Ray Moth 15:07:49 04/20/07 (27)
- Re: Low DCR I felt the same way but... - griboon 17:26:37 04/20/07 (14)
- Re: Low DCR I felt the same way but... - Triode_Kingdom 09:13:42 04/21/07 (2)
- Re: Low DCR I felt the same way but... Instructions please - griboon 17:38:01 04/21/07 (0)
- Re: Low DCR I felt the same way but... - griboon 13:32:20 04/21/07 (0)
- Re: Low DCR I felt the same way but... - drlowmu 19:22:47 04/20/07 (10)
- Let's get this straight - Ray Moth 21:01:08 04/20/07 (8)
- He'll never get it - Triode_Kingdom 09:21:46 04/21/07 (7)
- See this.... - drlowmu 21:47:25 04/21/07 (6)
- Re: See this.... - Ray Moth 07:22:51 04/24/07 (0)
- Re: See this.... - Ty 05:26:23 04/22/07 (4)
- Sure Ty......... - drlowmu 07:20:24 04/22/07 (3)
- nope - Ty 08:44:06 04/22/07 (2)
- Ahhh, I got it ! But..... - drlowmu 09:05:37 04/22/07 (1)
- Re: Ahhh, I got it ! But..... - Ty 10:21:00 04/22/07 (0)
- Re: Low DCR I felt the same way but... - griboon 20:19:32 04/20/07 (0)
- Then answer this - Russ57 16:08:50 04/20/07 (11)
- Re: Then answer this - Ray Moth 20:38:03 04/20/07 (8)
- Do you realize what you just said? - Russ57 08:40:17 04/21/07 (7)
- AES has one offering for Litz wire... - Steve O 14:41:18 04/21/07 (0)
- Litz Wire - drlowmu 13:55:34 04/21/07 (5)
- Elitist Crapola - Triode_Kingdom 19:53:51 04/21/07 (4)
- who are you ? - drlowmu 21:29:47 04/21/07 (3)
- Who do I have to be? You're the one making claims... - Triode_Kingdom 22:28:33 04/21/07 (2)
- Re: Who do I have to be? You're the one making claims... - tbt 12:57:14 04/24/07 (0)
- Re: Who do I have to be? You're the one making claims... - Larry D. Moore 04:44:54 04/22/07 (0)
- Re: Then answer this - drlowmu 16:58:06 04/20/07 (1)
- Please stop sticking feathers in other ones asses. - arend-jan 00:20:04 04/21/07 (0)
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