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Total 6 documents matching your query.

1. [AMPS] Which one? (score: 1): Author: jimheath@foothill.net (Jim); Date: Tue, 13 Jun 2000 08:47:53 -0700; A friend of mine has a choice between a used Alpha 89 (manual tune with two 3cx800 triodes) and a new Alpha 99 (manual tune with two Sventlana tetrodes). Both are about the same price. The used Alpha; /archives//html/Amps/2000-06/msg00147.html (6,591 bytes)
2. [AMPS] Which one? (score: 1): Author: k7fm@teleport.com (Colin Lamb); Date: Tue, 13 Jun 2000 11:40:14 -0700; Hi Jim: Interesting question. I probably should answer privately, but it is an interesting point. The Alpha 99 has wonderful protection circuits in it. It is a later version of the 91b. The 4CX800 tu; /archives//html/Amps/2000-06/msg00154.html (7,185 bytes)
3. [Amps] which one? (score: 1): Author: "W4VD" <w4vd@prowebonline.com>; Date: Thu, 17 Feb 2005 20:43:07 -0500; If you had a choice of a Henry 2KD-5 with fairly new tubes, or a SB220 with the originals but still full output, both exact same (fair) price, which would be the better of the 2 73 Bill W4VD ________; /archives//html/Amps/2005-02/msg00569.html (6,662 bytes)
4. Re: [Amps] which one? (score: 1): Author: "Gary Smith" <wa6fgi@sbcglobal.net>; Date: Thu, 17 Feb 2005 18:30:30 -0800; My .02: probably the Henry. It will do "legal" +, will more than likely do 12 meters with little or no modification. Please be aware the jugs in the SB-220 (if they are original) are very old. And as; /archives//html/Amps/2005-02/msg00570.html (7,633 bytes)
5. Re: [Amps] which one? (score: 1): Author: Ken Beals <k6mr@pacbell.net>; Date: Thu, 17 Feb 2005 19:17:24 -0800; Couldn't resist commenting on this: I am in the middle of rebuilding a 2KD-5 to modernize it: QSK vacuum relay, electronic bias, glitch protection, etc. I just recently finished doing the same thing; /archives//html/Amps/2005-02/msg00573.html (9,564 bytes)
6. Re: [Amps] which one? (score: 1): Author: "Harold B. Mandel" <ka1xo@juno.com>; Date: Thu, 17 Feb 2005 22:43:14 -0500; Q: A: Has the Heathkit been upgraded and/or modified to the latest improvements? (If you follow the SB-220 threads then you know that '220's are prone to a series of MTBF breakdowns that wise operato; /archives//html/Amps/2005-02/msg00574.html (7,310 bytes)

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