Mail Archive Search: <+subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[Amps\]\s+Subject\:\s+SB\-221\s+parasitic\s+supression\s+upgrade\s+kit\s*$/>

Results:

References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[Amps\]\s+Subject\:\s+SB\-221\s+parasitic\s+supression\s+upgrade\s+kit\s*$/: 4 ]

Total 4 documents matching your query.

1. Re: [Amps] Subject: SB-221 parasitic supression upgrade kit (score: 1): Author: Greg Chartrand <w7my@yahoo.com>; Date: Thu, 20 Nov 2008 17:11:15 -0800 (PST); Many hams have had problems with the arcing in the plate tuning cap. Heath addressed the problem with a higher voltage cap. I had the same problem with my SB-220 in 1978. What I discovered was a rel; /archives//html/Amps/2008-11/msg00206.html (7,820 bytes)
2. Re: [Amps] Subject: SB-221 parasitic supression upgrade kit (score: 1): Author: Rick Stealey <rstealey@hotmail.com>; Date: Fri, 21 Nov 2008 12:18:19 +0000; Greg, You are really on to something here, very interesting. Your message is very timely because I am working on just that same scenario in my homebrew amp. So far I have measured the vacuum antenna; /archives//html/Amps/2008-11/msg00209.html (9,477 bytes)
3. Re: [Amps] Subject: SB-221 parasitic supression upgrade kit (score: 1): Author: Gudguyham@aol.com; Date: Fri, 21 Nov 2008 07:32:06 EST; Oh I might mention, I am able to do this fun stuff due to the generosity of a guy who gave me a beautiful dual channel scope, which also has enough bandwidth to see the rf envelope which my old tube; /archives//html/Amps/2008-11/msg00210.html (7,634 bytes)
4. Re: [Amps] Subject: SB-221 parasitic supression upgrade kit (score: 1): Author: "Gary Hinson" <Gary@isect.com>; Date: Sat, 22 Nov 2008 08:00:57 +1300; Hi Rick, Sounds good. I wonder if you are planning to write up your findings in any more detail? My Amp Supply Co LK550 eats vacuum relays for breakfast on QSK but I'm hoping to mod it and designing; /archives//html/Amps/2008-11/msg00214.html (8,647 bytes)

Current List: 1 - 4
Page: [1]