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21. [AMPS] AL-1500 (score: 1): Author: measures@vc.net (Rich Measures); Date: Tue, 2 Dec 97 03:10:54 -0800; The sad and bad news is that the AL-1500's grid trip apparently does not protect the 8877's grid from gold-sputtering during VHF parasitic oscillations. The 8877 has extraordinarily high VHF gain. M; /archives//html/Amps/1997-12/msg00032.html (8,104 bytes)
22. [AMPS] AL-1500 (score: 1): Author: k5na@bga.com (Richard L. King); Date: Tue, 02 Dec 1997 17:06:40; acceptable(2k-3) I used a AL1500 this weekend and found band changing to be easy and quick. This is how: Tune up carefully on all bands before the contest and make a chart showing the loading setting; /archives//html/Amps/1997-12/msg00038.html (8,788 bytes)
23. [AMPS] AL-1500 (score: 1): Author: w5hvv@aeneas.net (Roderick M. Fitz-Randolph); Date: Wed, 3 Dec 1997 13:06:33 -0600; ___________________________________________________________________________ I find this statement a little bit amazing! I have an AL-1500 and have preset markings on a 3"x5" Post-It behind each of t; /archives//html/Amps/1997-12/msg00054.html (8,409 bytes)
24. [AMPS] AL-1500 (score: 1): Author: kgsmith@onlink.net (ken smith); Date: Wed, 3 Dec 1997 15:22:00 -0500; Rod If you only have one antenna per band the card id works, but when you have several antennas with varying impedances, then there isn't enough room to store the cards. Ken VA3SK -- FAQ on WWW: http; /archives//html/Amps/1997-12/msg00059.html (9,243 bytes)
25. [AMPS] AL-1500 (score: 1): Author: w5hvv@aeneas.net (Roderick M. Fitz-Randolph); Date: Wed, 3 Dec 1997 21:07:29 -0600; _________________________________________________________________ The AL-1200 might be the better choice if you are running a 100W rig, because the 100 watts will pump the AL-1200 to 1500 watts outp; /archives//html/Amps/1997-12/msg00064.html (9,454 bytes)
26. [AMPS] AL-1500 (score: 1): Author: lu2brg@cvtci.com.ar (Ernesto Grueneberg); Date: Thu, 04 Dec 1997 08:27:38 -0300; WOW!, because I want it to last as long as I do!!!!! I think that should have been "because I wont break the regulations"!!!! -- FAQ on WWW: http://www.contesting.com/ampfaq.html Submissions: amps@c; /archives//html/Amps/1997-12/msg00070.html (8,507 bytes)
27. [AMPS] AL-1500 (score: 1): Author: measures@vc.net (Rich Measures); Date: Thu, 4 Dec 97 08:14:15 -0800; He's only talking about into a dummy load. Yeah, right. Actually the fcc could not care less if hams run higher than the limit, just as long as they don't cause interference problems outside the ham; /archives//html/Amps/1997-12/msg00072.html (8,292 bytes)
28. [AMPS] AL-1500 (score: 1): Author: sbookout@mnsinc.com (Steve Bookout); Date: Thu, 04 Dec 1997 11:38:40 -0500; Anyone want to buy my W-4 watt meter?? It is an easy way to increase your output power for a modest price. I don't know why more of them are sought after. I used it this past weekend on the multiplie; /archives//html/Amps/1997-12/msg00073.html (9,884 bytes)
29. [AMPS] AL-1500 (score: 1): Author: w5hvv@aeneas.net (Roderick M. Fitz-Randolph); Date: Thu, 4 Dec 1997 11:47:09 -0600; _________________________________________________________________________ Hmmmmmm, Steve, it is my considered opinion that you have been smitten by the My-wattmeter-is-more-accurate-than-your-wattme; /archives//html/Amps/1997-12/msg00075.html (11,268 bytes)
30. [AMPS] AL-1500 (score: 1): Author: km1h@juno.com (km1h @ juno.com); Date: Thu, 04 Dec 1997 20:17:39 EST; Rod, as an engineer I am sure that you would agree that your test equipment, unless calibrated against a NITS traceable standard, is as much of a crap shoot as anything else discussed here recently.; /archives//html/Amps/1997-12/msg00083.html (10,888 bytes)
31. [AMPS] AL-1500 (score: 1): Author: measures@vc.net (Rich Measures); Date: Sun, 30 Nov 97 16:02:27 -0800; As far as I know, David, it's the only commercially-built 8877 HF/MF amplifier that uses no VHF parasitic-suppressor whatsoever. Before purchasing one, it might be interesting to ask several owners; /archives//html/Amps/1997-11/msg00000.html (6,982 bytes)
32. [AMPS] AL-1500 (score: 1): Author: km1h@juno.com (km1h @ juno.com); Date: Sun, 30 Nov 1997 20:16:26 EST; On Sun, 30 Nov 1997 08:55:08 -0500 "David R. Ward" <daveward@snet.net> writes: I'm sure that you will get a ton of free advice about gold and parasitics Dave but in general the AL-1500 is a decent am; /archives//html/Amps/1997-11/msg00002.html (7,674 bytes)
33. [AMPS] AL-1500 (score: 1): Author: daveward@snet.net (David R. Ward); Date: Sun, 30 Nov 1997 08:55:08 -0500; Please forgive a "newbee" question for this reflector, but could I get some feedback on the AL-1500? Durability, usability, value, etc.? I would like an amp with the 8877 but doubt very much that I c; /archives//html/Amps/1997-11/msg00402.html (6,842 bytes)
34. [AMPS] AL-1500 (score: 1): Author: Michael81@aol.com (Michael81@aol.com); Date: Sat, 22 Mar 1997 15:09:24 -0500 (EST); Rod, Quite a report! I too have been wanting to go big-time and get a serious HF amp. However, more than 90% of my activity is on RTTY, and this presents a few problems. First, my main radio is a Ya; /archives//html/Amps/1997-03/msg00211.html (7,221 bytes)
35. [AMPS] AL-1500 (score: 1): Author: km1h@juno.com (km1h@juno.com); Date: Sat, 22 Mar 1997 17:18:38 EST; A drawback with the AL-1500 is the rather basic protection circuit for the fragile 8877 tube. The cabinet, PS and RF deck are shared with the AL-1200 which uses the 3CX1200...that tube is almost impo; /archives//html/Amps/1997-03/msg00213.html (8,574 bytes)
36. [Amps] AL-1500 (score: 1): Author: <k5go@cox.net>; Date: Sat, 13 Aug 2005 23:16:22 -0400; I'm sick after using one of my AL-1500 amplifiers to check an unknown 8877. High voltage came up fine but when I closed the relay with about 5 watts drive, it immediately blew both mains fuses. I rep; /archives//html/Amps/2005-08/msg00480.html (7,099 bytes)
37. Re: [Amps] AL-1500 (score: 1): Author: Hervé BIRAUD <f5hry@wanadoo.fr>; Date: Sun, 14 Aug 2005 07:45:31 -0000; Hello Stan, If you can "monitor" the following problem (i.e. the needles of both meters showing the same values and moving exactly the same way), it is just a matter of grid current readout (the tube; /archives//html/Amps/2005-08/msg00481.html (7,725 bytes)
38. Re: [Amps] AL-1500 (score: 1): Author: R.Measures <r@somis.org>; Date: Sun, 14 Aug 2005 05:33:26 -0700; A flashover in an 8877 can be due to loss of vacuum or due to loose gold meltballs. The Joe Funderberg (W6IHA) test will detect loose gold without opening the envelope. http://www.somis.org/Goldmeltb; /archives//html/Amps/2005-08/msg00483.html (9,190 bytes)
39. [Amps] AL-1500 (score: 1): Author: "Gregg Seidl" <k9kl@centurytel.net>; Date: Wed, 8 Aug 2007 09:30:45 -0500; Is it REALLY important to put vhf surpression on this beast.I just bought it new as a kinda back-up and want it last a long time.Any other tricks for this beast?Anyone take delivery of the new THP HL; /archives//html/Amps/2007-08/msg00029.html (6,767 bytes)
40. Re: [Amps] AL-1500 (score: 1): Author: "Robert B. Bonner" <rbonner@qro.com>; Date: Wed, 8 Aug 2007 15:16:35 +0000; I don't use any supressors on my 8877 home brew amp. Some tubes need supression some don't. If you build it right 8877 won't need them. Not everybody feels that way however. BOB DD Sent From Mobile D; /archives//html/Amps/2007-08/msg00030.html (7,768 bytes)

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