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1. [AMPS] AMERITRON AL80A (score: 1): Author: cx6vm@adinet.com.uy (Jorge Diez Furest (CX6VM)); Date: Mon, 16 Oct 2000 00:37:43 -0300; This is a multi-part message in MIME format. --=_NextPart_000_0059_01C03709.4C3D6820 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable HI GUYS: I HAVE THE POS; /archives//html/Amps/2000-10/msg00353.html (9,730 bytes)
2. [AMPS] AMERITRON AL80A (score: 1): Author: Wt8r@aol.com (Wt8r@aol.com); Date: Sun, 15 Oct 2000 23:51:04 EDT; -- -- Jorge, A friend of mine owned an AL-80A. He told me that the inductance in both the anode RF Choke and the filament choke were insufficient. He rewound both of these adding turns in each instan; /archives//html/Amps/2000-10/msg00354.html (9,308 bytes)
3. [AMPS] AMERITRON AL80A (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Mon, 16 Oct 2000 08:23:06 -0400; George, AL-80A???? The AL80A is a good amplifier as is George. It was very popular, and had very few service problems. What is the serial number of the AL80A? Later models has step-start protection a; /archives//html/Amps/2000-10/msg00368.html (8,547 bytes)
4. [AMPS] AMERITRON AL80A (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Mon, 16 Oct 2000 08:23:07 -0400; That's about the silliest thing I've ever heard! The inductance of the filament choke has absolutely nothing to do with tube heating at all! If it is too low, the tube simply can't be driven properly; /archives//html/Amps/2000-10/msg00370.html (9,021 bytes)
5. [AMPS] AMERITRON AL80A (score: 1): Author: Peter_Chadwick@mitel.com (Peter Chadwick); Date: Mon, 16 Oct 2000 13:33:39 +0100; Could someone explain how this can be so? Or perhaps the choke is supposed to be a series impedance at 60Hz, keeping the filament current and thus the emission, down? (No, I'm not serious!) 73 Peter; /archives//html/Amps/2000-10/msg00372.html (8,406 bytes)
6. [AMPS] AMERITRON AL80A (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Mon, 16 Oct 2000 08:38:07 -0400; It can't be so. It is impossible. Daves friend might have been joking, or perhaps he ran the amp on CB. The choke is resonant on 26.9 MHz, and the tube will cook if you try to use it on CB because o; /archives//html/Amps/2000-10/msg00374.html (8,897 bytes)
7. [AMPS] AMERITRON AL80A (score: 1): Author: Wt8r@aol.com (Wt8r@aol.com); Date: Mon, 16 Oct 2000 09:18:23 EDT; both Well, I see it is time for Tom to blow smoke and duck the issues AGAIN claiming that no one else (besides himself) knows anything. First of all, apparently Tom's comprehension of the English lan; /archives//html/Amps/2000-10/msg00375.html (10,783 bytes)
8. [AMPS] AMERITRON AL80A (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Mon, 16 Oct 2000 09:49:56 -0400; Did I say that? Please quote where I said that Dave. Did I say that? Please quote where I said that Dave. That's the only band where the choke affects efficiency. 3-500Z's should have a dull red glow; /archives//html/Amps/2000-10/msg00379.html (10,934 bytes)
9. [AMPS] AMERITRON AL80A (score: 1): Author: w7ti@jps.net (Bill Turner); Date: Mon, 16 Oct 2000 07:27:05 -0700; ______________________________________________________________ Very interesting. Is there a similar effect with the graphite-anode versions? 73, Bill W7TI -- FAQ on WWW: http://www.contesting.com/FAQ; /archives//html/Amps/2000-10/msg00386.html (8,879 bytes)
10. [AMPS] AMERITRON AL80A (score: 1): Author: Peter_Chadwick@mitel.com (Peter Chadwick); Date: Mon, 16 Oct 2000 16:05:53 +0100; If the inductance was insufficient, Dave, why should it affect the DC conditions? If the rewound choke had higher RESISTANCE, then it could caused increased bias - and lower filament voltage, which w; /archives//html/Amps/2000-10/msg00390.html (8,926 bytes)
11. [AMPS] AMERITRON AL80A (score: 1): Author: cx6vm@adinet.com.uy (Jorge Diez Furest (CX6VM)); Date: Mon, 16 Oct 2000 12:18:40 -0300; Hi guys: tnx Tom and Dave for yours feedback. I don´t want to start a discussion here, buy will apreciate more feedback on the POINT of my answer: TO BUY OR NOT TO BUY THE AL-80A I want to know; /archives//html/Amps/2000-10/msg00391.html (9,553 bytes)
12. [AMPS] AMERITRON AL80A (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Mon, 16 Oct 2000 12:07:31 -0400; The effect is the same. The same materials are used. Graphite tends to release more gas and other impurities more than hard metals, but otherwise gettering operation is about the same. External anod; /archives//html/Amps/2000-10/msg00392.html (9,409 bytes)
13. [AMPS] AMERITRON AL80A (score: 1): Author: 2@vc.net (measures); Date: Mon, 16 Oct 2000 10:26:15 -0700; Taurine feculence. Graphite anodes contain only graphite. Graphite has the ability store gas, however, it does not getter. // To feed their egos, some people fabricate. end - Rich..., 805.386.3734,; /archives//html/Amps/2000-10/msg00393.html (9,051 bytes)
14. [AMPS] AMERITRON AL80A (score: 1): Author: 2@vc.net (measures); Date: Mon, 16 Oct 2000 10:26:16 -0700; Even though the AL-80 is more stable than the SB-220, AL-82 or TL-922, it has a history of arcing the 160m Tune-C padder contacts. Photographs of burned bandswitches are on my Web site. cheers, Jorg; /archives//html/Amps/2000-10/msg00394.html (10,515 bytes)
15. [AMPS] AMERITRON AL80A (score: 1): Author: ATanner283@aol.com (ATanner283@aol.com); Date: Mon, 16 Oct 2000 18:23:00 EDT; Anybody interested in some dial string or Canteena oil for CW???????? Al/W8FAX -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@contesting.com Administrative requests: amps-REQUEST; /archives//html/Amps/2000-10/msg00403.html (7,726 bytes)
16. [AMPS] AMERITRON AL80A (score: 1): Author: ITR@Nanoteq.co.za (Ian Roberts); Date: Tue, 17 Oct 2000 09:06:55 +0200; Y'know, this statement keeps popping up, supposed to happen apparently even when simply placed in TX, without any drive. The 3-500's in my SB-220 don't glow noticeably at 400 W RTTY. Only ever seen; /archives//html/Amps/2000-10/msg00423.html (8,733 bytes)
17. [AMPS] AMERITRON AL80A (score: 1): Author: ITR@Nanoteq.co.za (Ian Roberts); Date: Tue, 17 Oct 2000 09:14:43 +0200; Rich, are you of the opinion that gettering is a false concept? In any case, 1400 deg C seems be to mighty hot (white hot?) Ian ZS6BTE -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: a; /archives//html/Amps/2000-10/msg00424.html (9,409 bytes)
18. [AMPS] AMERITRON AL80A (score: 1): Author: Peter_Chadwick@mitel.com (Peter Chadwick); Date: Tue, 17 Oct 2000 09:13:49 +0100; Well, the 3-500Z isn't that much bigger plate construction than the 4-400. In GG, with grid and screen grounded and 3600 on the plate, mine certainly glows under zero signal conditions at about 300 w; /archives//html/Amps/2000-10/msg00426.html (8,186 bytes)
19. [AMPS] AMERITRON AL80A (score: 1): Author: 2@vc.net (measures); Date: Tue, 17 Oct 2000 04:12:31 -0700; I have seen getters in Rx tubes. I have seen no evidence of gettering in 3-500Zs. Mr. Rauch is trying to explain the lack of gas evidence in amplifiers that sustain a big bang. Indeed. cheers, Ian g; /archives//html/Amps/2000-10/msg00431.html (9,279 bytes)
20. [Amps] Ameritron AL80A (score: 1): Author: "John Sloop" <jsloop@austin.rr.com>; Date: Sat, 8 Jan 2005 21:22:54 -0600; I have acquired an Ameritron AL80A and am looking for a manual. Regards, John S. AA0ES _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.co; /archives//html/Amps/2005-01/msg00135.html (6,266 bytes)

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