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1. [Amps] Alpha 87A problems (score: 1): Author: Herbert Schoenbohm <herbert.schoenbohm@gmail.com>; Date: Sat, 29 Sep 2018 09:27:34 -0300; My Alpha 87A went to Alpha systems in Colorado for repair of Fault 16 that was occurring within a few seconds of turning it on. After paying $1500 for their repair it was returned and immediately whe; /archives//html/Amps/2018-09/msg00036.html (7,342 bytes)
2. Re: [Amps] Alpha 87A problems (score: 1): Author: <fortra@siol.net>; Date: Sat, 29 Sep 2018 16:34:08 +0200; Hi Herb, try with those guys: https://islandamplifier.com/ bought some spares for my Alpha 77dx and www.df3cb.com/alpha87a/documentation/ hope, you will get it right :) Nermin S58DX --Izvorno sporoil; /archives//html/Amps/2018-09/msg00038.html (8,982 bytes)
3. Re: [Amps] Alpha 87A problems (score: 1): Author: Rich Matos <w9cin@att.net>; Date: Sat, 29 Sep 2018 11:12:44 -0400; *If you paid by a credit card you can stop payment,, I assure you they will wake up* *"Rich" W9CIN* On 9/29/2018 8:27 AM, Herbert Schoenbohm wrote: My Alpha 87A went to Alpha systems in Colorado for; /archives//html/Amps/2018-09/msg00039.html (8,705 bytes)
4. Re: [Amps] Alpha 87A problems (score: 1): Author: "Jerry O. Stern" <jsternmd@att.net>; Date: Sat, 29 Sep 2018 12:43:44 -0400; When you say "Alpha systems"... do you mean AlphaRFSystems? Have you tried Brad's K0HM Electronic Repair or reaching out to Glenn Pladsen (AE0Q) gm5bkc@gmail.com? Brad Focken 6288 Gunshot Pass Dr. Co; /archives//html/Amps/2018-09/msg00040.html (10,390 bytes)
5. Re: [Amps] Alpha 87A problems (score: 1): Author: Herbert Schoenbohm <herbert.schoenbohm@gmail.com>; Date: Sat, 29 Sep 2018 14:29:57 -0300; Jerry, Thanks for your reply on this problem I am having with my 87A. Yes, the repairs attempted were by AlphaRFSystems. I have sent many emails to service@ AlphaRFSystems.com but now Glenn is not re; /archives//html/Amps/2018-09/msg00042.html (12,705 bytes)
6. Re: [Amps] Alpha 87A problems (score: 1): Author: "Leigh Turner" <invertech@frontierisp.net.au>; Date: Sun, 30 Sep 2018 22:10:45 +0930; Herb, My advice here is throw the damn 87A anachronism thing into the trash can and don't throw good money after bad with these thieving clowns. Clearly and sadly Alpha is now nothing like it was in; /archives//html/Amps/2018-10/msg00000.html (8,975 bytes)
7. Re: [Amps] Alpha 87A problems (score: 1): Author: BRADLEY FOCKEN <bfocken@msn.com>; Date: Mon, 1 Oct 2018 01:40:57 +0000; Hello Herb, Glenn is not the best person to work on the 87a. I can take a look at it if you like or I can help you trouble shoot the amp. The fault 16 could be a number of things. Do you have a compu; /archives//html/Amps/2018-10/msg00005.html (15,740 bytes)
8. Re: [Amps] Alpha 87A problems (score: 1): Author: "Dick Green WC1M" <wc1m73@gmail.com>; Date: Mon, 1 Oct 2018 14:51:24 -0400; Brad is by far the best person to work with on repairing an 87A. Nobody knows more about Alpha products than Brad. That said, I think it's unfair to characterize the current regime at Alpha as "thiev; /archives//html/Amps/2018-10/msg00007.html (12,940 bytes)
9. Re: [Amps] Alpha 87A problems (score: 1): Author: "Leigh Turner" <invertech@frontierisp.net.au>; Date: Tue, 2 Oct 2018 11:08:04 +0930; Yes Dick, I concur that Brad is THE man to best sought out the problematic 87A amp with its poorly conceived abomination of microprocessor controlled architecture and further plagued by its now obsol; /archives//html/Amps/2018-10/msg00008.html (13,910 bytes)
10. Re: [Amps] Alpha 87A problems (score: 1): Author: Jim Brown <jim@audiosystemsgroup.com>; Date: Mon, 1 Oct 2018 12:58:12 -0700; A ham investor with positive attitude has been making a serious effort to revive the company, and at least for a year or two has been doing OK. Last I looked (about a year ago), long time tech Glenn,; /archives//html/Amps/2018-10/msg00009.html (8,328 bytes)
11. Re: [Amps] Alpha 87A problems (score: 1): Author: "Paul Christensen" <w9ac@arrl.net>; Date: Tue, 2 Oct 2018 10:06:57 -0400; works when executed adroitly and with a whole bunch of design provisos and inbuilt protections to make the scheme robustly bulletproof." Other well-respected VT amps, including ACOM and OM Power use; /archives//html/Amps/2018-10/msg00011.html (8,932 bytes)
12. Re: [Amps] Alpha 87A problems (score: 1): Author: George Fremin III <geoiii@kkn.net>; Date: Wed, 3 Oct 2018 04:06:44 -0500; I have looked though the archives for this information and I could not find it. Can you share the procedure? George K5TR _______________________________________________ Amps mailing list Amps@contes; /archives//html/Amps/2018-10/msg00012.html (8,730 bytes)
13. Re: [Amps] Alpha 87A problems (score: 1): Author: Jim Brown <jim@audiosystemsgroup.com>; Date: Wed, 3 Oct 2018 02:28:02 -0700; Thanks for a great analytical and thoughtful post. I have no opinion on the 87A's -- I have far too little experience with them nor knowledge of their control system. I had K6XX's KPA1500 for a few w; /archives//html/Amps/2018-10/msg00013.html (9,347 bytes)
14. Re: [Amps] Alpha 87A problems (score: 1): Author: Ron Youvan <ka4inm@gmail.com>; Date: Wed, 3 Oct 2018 07:48:44 -0400; "IMHO uPC hardware to control a QRO tube amplifier is anathema and only works when executed adroitly and with a whole bunch of design provisos and inbuilt protections to make the scheme robustly bul; /archives//html/Amps/2018-10/msg00014.html (9,243 bytes)
15. Re: [Amps] Alpha 87A problems (score: 1): Author: "Jerry O. Stern" <jsternmd@att.net>; Date: Wed, 3 Oct 2018 10:40:56 -0400; It was posted by an Alpha87a owner disgruntled over service with one of the past iterations of Alpha ownership. His site is no longer available. I used this method (and his memory dump script) to sto; /archives//html/Amps/2018-10/msg00024.html (9,873 bytes)

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