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Total 220 documents matching your query.

201. Re: [Amps] Spam from Members of this List ... (score: 1)
Author: Bill Turner <dezrat@copper.net>
Date: Wed, 09 Aug 2006 10:42:19 -0700
ORIGINAL MESSAGE: -- REPLY SEPARATOR -- Correct, and I admit I am guilty of this too. One way around this is to use Yahoo groups. By default, the message is sent ONLY to the group and not to individu
/archives//html/Amps/2006-08/msg00353.html (10,169 bytes)

202. Re: [Amps] Fw: grid resonance (score: 1)
Author: Bill Turner <dezrat@copper.net>
Date: Wed, 09 Aug 2006 11:02:36 -0700
ORIGINAL MESSAGE: -- REPLY SEPARATOR -- I think it is incredibly rude to make people stop talking about something just because *YOU* are no longer interested. When the discussion is finished, the thr
/archives//html/Amps/2006-08/msg00356.html (8,044 bytes)

203. [Amps] Checking for IMD (score: 1)
Author: Bill Turner <dezrat@copper.net>
Date: Fri, 11 Aug 2006 07:23:45 -0700
Is there a simple procedure one can use for checking the IMD of an amplifier? Frankly, it's something I have never tested myself, instead just keeping the amp tuned correctly and underdriving when us
/archives//html/Amps/2006-08/msg00395.html (7,165 bytes)

204. Re: [Amps] Anodizing aluminum, painting etc. (score: 1)
Author: Bill Turner <dezrat@copper.net>
Date: Mon, 14 Aug 2006 08:35:27 -0700
ORIGINAL MESSAGE: -- REPLY SEPARATOR -- Really? So why do heat sinks come in different sizes? Might as well use the smallest one possible, right? Carried to the extreme, why use a heat sink at all? M
/archives//html/Amps/2006-08/msg00473.html (7,390 bytes)

205. Re: [Amps] Anodizing aluminum, painting etc. (score: 1)
Author: Bill Turner <dezrat@copper.net>
Date: Tue, 15 Aug 2006 07:46:09 -0700
ORIGINAL MESSAGE: -- REPLY SEPARATOR -- Who said that? Not me. The original statement was: "Heat dissipation has nothing to do with mass." And that's what I disagreed with. Bill, W6WRT ______________
/archives//html/Amps/2006-08/msg00507.html (8,084 bytes)

206. Re: [Amps] Network Design Calculator (score: 1)
Author: Bill Turner <dezrat@copper.net>
Date: Sat, 19 Aug 2006 07:00:32 -0700
ORIGINAL MESSAGE: -- REPLY SEPARATOR -- Thanks, Mike. Excellent page. The best part is you can save the page as an .mht file and it works offline too! Many such pages don't. Great find. 73, Bill W6WR
/archives//html/Amps/2006-08/msg00560.html (7,855 bytes)

207. Re: [Amps] AL-1200 Low High Voltage (HV) (score: 1)
Author: Bill Turner <dezrat@copper.net>
Date: Mon, 21 Aug 2006 06:15:52 -0700
ORIGINAL MESSAGE: -- REPLY SEPARATOR -- FWIW, I could never get more than about 1300 watts out of my AL=1200 with 100 watts drive. I used two different transceivers and two different power meters. --
/archives//html/Amps/2006-08/msg00577.html (8,109 bytes)

208. Re: [Amps] State of the Amp (score: 1)
Author: Bill Turner <dezrat@copper.net>
Date: Mon, 21 Aug 2006 19:09:18 -0700
ORIGINAL MESSAGE: -- REPLY SEPARATOR -- True for the factory-built amps only because they have not discovered the GS-35b Russian triode. It costs less than one 3-500Z, has five times the plate dissip
/archives//html/Amps/2006-08/msg00583.html (7,749 bytes)

209. Re: [Amps] AL-1200 Low High Voltage (HV) (score: 1)
Author: Bill Turner <dezrat@copper.net>
Date: Tue, 22 Aug 2006 08:44:48 -0700
ORIGINAL MESSAGE: -- REPLY SEPARATOR -- Good questions. If I still had the amp I would investigate further. It could be my line voltage was a bit low. It's been ten years so I don't remember for sure
/archives//html/Amps/2006-08/msg00595.html (10,040 bytes)

210. Re: [Amps] State of the Amp (score: 1)
Author: Bill Turner <dezrat@copper.net>
Date: Tue, 22 Aug 2006 09:02:13 -0700
ORIGINAL MESSAGE: -- REPLY SEPARATOR -- The website http://gs35b.com/gs35bvs8877.html lists it at >2500 watts. The chart near the bottom shows power output expected for 2667 watts anode dissipation.
/archives//html/Amps/2006-08/msg00596.html (8,542 bytes)

211. Re: [Amps] State of the Amp (score: 1)
Author: Bill Turner <dezrat@copper.net>
Date: Tue, 22 Aug 2006 11:02:59 -0700
ORIGINAL MESSAGE: -- REPLY FOLLOWS -- The 8877 has some advantages, to be sure: 1. Lower drive requirements by about 30% approximately. 2. Smaller size and less weight. But it has disadvantages too:
/archives//html/Amps/2006-08/msg00602.html (9,336 bytes)

212. Re: [Amps] State of the Amp (score: 1)
Author: Bill Turner <dezrat@copper.net>
Date: Tue, 22 Aug 2006 11:05:30 -0700
ORIGINAL MESSAGE: -- REPLY FOLLOWS -- Didn't know it was out of production. Thanks for the info. That pretty much rules it out for commercial amps, I'd think. Buy 'em while you can, guys. :-) Bill, W
/archives//html/Amps/2006-08/msg00603.html (8,474 bytes)

213. Re: [Amps] Wind! In series or parallel? (score: 1)
Author: Bill Turner <dezrat@copper.net>
Date: Thu, 24 Aug 2006 20:22:20 -0700
ORIGINAL MESSAGE: -- REPLY FOLLOWS -- Each tube needs 9 cfm, or 18 total. You can not put airflow in "series" because the exhaust air from tube A will be hot already and will not cool tube B. Both tu
/archives//html/Amps/2006-08/msg00645.html (8,057 bytes)

214. Re: [Amps] Parasitics & Filament Sag (score: 1)
Author: Bill Turner <dezrat@copper.net>
Date: Sun, 27 Aug 2006 10:05:41 -0700
ORIGINAL MESSAGE: -- REPLY FOLLOWS -- Agreed. For decades, hams have stuck a parasitic suppressor in the anode circuit because "it's the thing to do", and of course it nearly always works. I think a
/archives//html/Amps/2006-08/msg00707.html (10,443 bytes)

215. Re: [Amps] Parasitics & Filament Sag (score: 1)
Author: Bill Turner <dezrat@copper.net>
Date: Sun, 27 Aug 2006 10:09:46 -0700
ORIGINAL MESSAGE: -- REPLY FOLLOWS -- It won't be win/win if two conditions are present: 1. The suppressor really is needed. and 2. The resistor gradually decreases in value due to overheating. If th
/archives//html/Amps/2006-08/msg00708.html (9,741 bytes)

216. Re: [Amps] PARASITICS AND fILAMENT SAG (score: 1)
Author: Bill Turner <dezrat@copper.net>
Date: Mon, 28 Aug 2006 07:26:12 -0700
ORIGINAL MESSAGE: -- REPLY FOLLOWS -- You are missing the point, Ed. It matters very much because some fundamental physics is involved and needs to be understood by everyone concerned. It obviously i
/archives//html/Amps/2006-08/msg00734.html (7,703 bytes)

217. Re: [Amps] Parasitics & Filament Sag (score: 1)
Author: Bill Turner <dezrat@copper.net>
Date: Tue, 29 Aug 2006 15:55:36 -0700
ORIGINAL MESSAGE: -- REPLY FOLLOWS -- Indeed I do. A wonderful tube, but not for RF. It was originally designed as a resistance-coupled amplifier for video output circuits in the early black and whit
/archives//html/Amps/2006-08/msg00785.html (8,442 bytes)

218. [Amps] Question about TPTG oscillators (score: 1)
Author: Bill Turner <dezrat@copper.net>
Date: Tue, 29 Aug 2006 19:27:20 -0700
Recently someone posted to the effect that in a tuned plate tuned grid oscillator, if the anode resonant frequency was lower than the grid resonant frequency, the tube would not oscillate. Did I catc
/archives//html/Amps/2006-08/msg00790.html (6,623 bytes)

219. Re: [Amps] Question about TPTG oscillators (score: 1)
Author: Bill Turner <dezrat@copper.net>
Date: Wed, 30 Aug 2006 07:27:34 -0700
ORIGINAL MESSAGE: -- REPLY FOLLOWS -- Very interesting, Peter. That seems to support the original statement about oscillating depending on the C-G frequency being lower than A-G. Changing the subject
/archives//html/Amps/2006-08/msg00809.html (7,790 bytes)

220. Re: [Amps] FUN E-BAY DESCRIPTION OF A 3-500Z TUBE (score: 1)
Author: Bill Turner <dezrat@copper.net>
Date: Wed, 30 Aug 2006 07:30:36 -0700
ORIGINAL MESSAGE: -- REPLY FOLLOWS -- Don't ya just love the feel of a new tube? And that new tube smell? Ahhhhhh... heaven. -- Bill, W6WRT _______________________________________________ Amps mailin
/archives//html/Amps/2006-08/msg00810.html (7,052 bytes)

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