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21. [AMPS] YU-121 / 3CX1200D7 (score: 1): Author: KA2YKC@aol.com (KA2YKC@aol.com); Date: Sun, 14 Mar 1999 00:56:42 EST; Anyone have experience with an Eimac H800S (aka YU-121) ? Mk3. What are the major differences (in addition to what I can read on the Eimac web site, looks like maybe an error on the pass-thru capacit; /archives//html/Amps/1999-03/msg00279.html (7,068 bytes)
22. [AMPS] 3cx1200 (score: 1): Author: KA2YKC@aol.com (KA2YKC@aol.com); Date: Thu, 18 Mar 1999 22:53:37 EST; I was testing a Henry 3k Classic which had been sitting idle for a few years. Amp tuned up fine on 40metrs with the HV in the CW position. In the SSB position, after keying down just long enough to c; /archives//html/Amps/1999-03/msg00456.html (7,482 bytes)
23. [AMPS] 3-500Z filament voltage (score: 1): Author: KA2YKC@aol.com (KA2YKC@aol.com); Date: Sun, 31 Jan 1999 21:00:41 EST; << Monty... For gosh' sakes, contact your power company about that outrageously high line voltage! They are supposed to keep it well within specified limits--not nearly that high. They will come out; /archives//html/Amps/1999-01/msg00002.html (8,302 bytes)
24. [AMPS] Re: Alpha 76CA tube swap (score: 1): Author: KA2YKC@aol.com (KA2YKC@aol.com); Date: Wed, 13 Jan 1999 23:36:09 EST; Good evening; I am in the process of repairing a 76CA for a friend. It appears that the tubes are weak. Rathert than paying top $$ for 3 - 3cx400's, I remember seeing someone mention a web site regar; /archives//html/Amps/1999-01/msg00171.html (8,114 bytes)
25. [AMPS] FS: Commander2500 (score: 1): Author: KA2YKC@aol.com (KA2YKC@aol.com); Date: Tue, 15 Dec 1998 22:35:01 EST; FS: Command Technologies HF2500 amplifier. Utilizes a pair of 3CX800A7's. In like-new condition (close to mint as possible); tubes less than 1 year old. Non smoker, not a scratch on it. Has maybe 16; /archives//html/Amps/1998-12/msg00238.html (6,758 bytes)
26. [AMPS] FS: Alpha 78 (score: 1): Author: KA2YKC@aol.com (KA2YKC@aol.com); Date: Wed, 30 Dec 1998 21:06:31 EST; This is a multi-part message in MIME format. --part0_915069991_boundary Content-ID: <0_915069991@inet_out.mail.aol.com.1> Content-type: text/plain; charset=US-ASCII --part0_915069991_boundary Content; /archives//html/Amps/1998-12/msg00505.html (7,377 bytes)
27. [AMPS] Antenna Delta (score: 1): Author: KA2YKC@aol.com (KA2YKC@aol.com); Date: Wed, 30 Dec 1998 21:53:45 EST; << Carl, one of the principal gurus of this reflector, has said he has no respect for my old Mosley. Well, I read about the tests reported at Dayton last summer about various tri-band antennas. So, t; /archives//html/Amps/1998-12/msg00508.html (7,091 bytes)
28. [AMPS] Doorknob caps for sale (score: 1): Author: KA2YKC@aol.com (KA2YKC@aol.com); Date: Wed, 25 Nov 1998 20:11:05 EST; I have the following doorknob capacitors for sale. All are new, some are still wrapped in the original brown paper-style wrap. QTY Mfgr Model # Description Price@ RFP 2 Hecht HT51Y101 857 100pf +-10%; /archives//html/Amps/1998-11/msg00334.html (7,263 bytes)
29. [AMPS] Alpha 76PA repairs (score: 1): Author: KA2YKC@aol.com (KA2YKC@aol.com); Date: Sat, 17 Oct 1998 22:16:11 EDT; Hello All, I'm in the process of repairing an Alpha 76CA for a friend. For some reason he fried the plate choke (maybe out of band operation). Replaced the plate choke, all else visually looked good; /archives//html/Amps/1998-10/msg00241.html (7,835 bytes)
30. [AMPS] Grid current "drift" (score: 1): Author: KA2YKC@aol.com (KA2YKC@aol.com); Date: Sat, 17 Oct 1998 22:32:40 EDT; Good Evening. I have been noticing on my 2x3CX800 amp that if I tune up for legal limit, I get the following readings which are within spec - Ip=1000ma, Vp=2000v, Ig=40ma. However, if I unkey, wait a; /archives//html/Amps/1998-10/msg00242.html (7,933 bytes)
31. [AMPS] Alpha 76PA repairs (score: 1): Author: KA2YKC@aol.com (KA2YKC@aol.com); Date: Sat, 17 Oct 1998 23:06:58 EDT; This is a multi-part message in MIME format. --part0_908680018_boundary Content-ID: <0_908680018@inet_out.mail.aol.com.1> Content-type: text/plain; charset=US-ASCII --part0_908680018_boundary Content; /archives//html/Amps/1998-10/msg00243.html (8,487 bytes)
32. [AMPS] re:Frontier Ltd XR3000D` (score: 1): Author: KA2YKC@aol.com (KA2YKC@aol.com); Date: Tue, 25 Aug 1998 09:47:34 EDT; Hello all; I have a chance to pick up an XR3000D by Frontier Ltd. It appears to have a pair of 3-500z's. Looks like it was run on 120V. Any pros or cons with this amplifer ? Overall quality ?What it; /archives//html/Amps/1998-08/msg00202.html (6,957 bytes)
33. [AMPS] TL922 AC fuses (score: 1): Author: KA2YKC@aol.com (KA2YKC@aol.com); Date: Tue, 21 Jul 1998 00:27:41 EDT; Does anyone know where (other than the ripoff artists sanctioned by Kenwood) that I can get the large-sized 15a fuses ?????/ Thanks Eric KK2ED -- FAQ on WWW: http://www.contesting.com/ampfaq.html Sub; /archives//html/Amps/1998-07/msg00113.html (6,648 bytes)
34. [AMPS] TL922 troubleshooting.... (score: 1): Author: KA2YKC@aol.com (KA2YKC@aol.com); Date: Wed, 22 Jul 1998 10:49:47 EDT; I am troubleshooting a TL922 for a friend. Here's the story: Amp was working fine on 20m. Took amp offline, removed covers to remove dust. Tubes were removed from sockets, then replaced after cleanin; /archives//html/Amps/1998-07/msg00130.html (8,116 bytes)
35. [AMPS] 50K on CB (score: 1): Author: KA2YKC@aol.com (KA2YKC); Date: Tue, 10 Mar 1998 00:10:10 EST; << 50K on CB yea right! >> Listen to 27.085 or 27.175 the next time the band opens up. Keep your ears out for something called a "Superbowl (aka Keydown contest) " ........ FInd out where it is takin; /archives//html/Amps/1998-03/msg00133.html (8,251 bytes)
36. [AMPS] Benefit (score: 1): Author: KA2YKC@aol.com (KA2YKC); Date: Sat, 14 Mar 1998 22:51:40 EST; << I assume that is with zero reflected power? Seems a bit hard to believe with only 60W of drive. What is your key down Ep and Ip at this time? Rich, myself and others have tried to explain since th; /archives//html/Amps/1998-03/msg00293.html (8,611 bytes)
37. [AMPS] Tuning of amps - 3cx800s,etc.. (score: 1): Author: KA2YKC@aol.com (KA2YKC); Date: Sat, 14 Mar 1998 23:05:20 EST; One question I have been meaning to ask........ Can someone please clarify "Loading" ?? When I turn my LOAD counterclockwise (CMDR HF2500), the grid current drops quickly with little drop in output p; /archives//html/Amps/1998-03/msg00294.html (8,457 bytes)
38. Fwd: [AMPS] 3-500Z amplifiers and grid current (score: 1): Author: KA2YKC@aol.com (KA2YKC); Date: Tue, 17 Mar 1998 22:21:00 EST; This is a multi-part message in MIME format. --part0_890191260_boundary Content-ID: <0_890191260@inet_out.mail.aol.com.1> Content-type: text/plain; charset=US-ASCII --part0_890191260_boundary Content; /archives//html/Amps/1998-03/msg00337.html (15,880 bytes)
39. Fwd: [AMPS] 3-500Z amplifiers and grid current (score: 1): Author: KA2YKC@aol.com (KA2YKC); Date: Tue, 17 Mar 1998 22:27:41 EST; This is a multi-part message in MIME format. --part0_890191661_boundary Content-ID: <0_890191661@inet_out.mail.aol.com.1> Content-type: text/plain; charset=US-ASCII --part0_890191661_boundary Content; /archives//html/Amps/1998-03/msg00339.html (9,995 bytes)
40. Fwd: [AMPS] GRID CURRENT FOR ALPHA 76A (score: 1): Author: KA2YKC@aol.com (KA2YKC@aol.com); Date: Fri, 20 Feb 1998 19:45:56 EST; This is a multi-part message in MIME format. --part0_888021956_boundary Content-ID: <0_888021956@inet_out.mail.aol.com.1> Content-type: text/plain; charset=US-ASCII --part0_888021956_boundary Content; /archives//html/Amps/1998-02/msg00116.html (8,696 bytes)

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