- 1. [Amps] HENRY 2K ULTRA (score: 1)
- Author: "Terry Baxter" <w6cbureau@san.rr.com>
- Date: Sun, 07 Aug 2022 01:06:08 +0000
- Guys, I recently picked up a very nice Henry 2K ULTRA amplifier. I have no previous information on the history of the amplifier. The only problem I have found so far is an open plate choke. This part
- /archives//html/Amps/2022-08/msg00002.html (7,387 bytes)
- 2. [Amps] ALPHA 91b (score: 1)
- Author: "Terry Baxter" <w6cbureau@san.rr.com>
- Date: Fri, 21 Oct 2022 15:58:28 +0000
- Guys, My 91b quit a few days ago. It had been running most of the day, in standby, and it shut itself down. It will not restart. Initial troubleshooting found F3 open. Replaced F3 and it promptly fai
- /archives//html/Amps/2022-10/msg00027.html (7,023 bytes)
- 3. [Amps] Alpha 91b problem (score: 1)
- Author: "Terry Baxter" <w6cbureau@san.rr.com>
- Date: Sun, 20 Nov 2022 00:38:56 +0000
- All, Recently I wrote about a problem I had with my Alpha 91b. It popped the rear panel fuse F3 (2 amp). The problem turned out to be a bad power transformer. In my case the secondary winding for the
- /archives//html/Amps/2022-11/msg00029.html (7,989 bytes)
- 4. Re: [Amps] Alpha 91b problem (score: 1)
- Author: "Terry Baxter" <w6cbureau@san.rr.com>
- Date: Sun, 20 Nov 2022 17:54:36 +0000
- Another much cheaper alternative is to just use a separate bias or screen supply depending on which one has failed. However since my transformer has a 4.6k ohm short from the 105 V winding to the HV
- /archives//html/Amps/2022-11/msg00033.html (14,439 bytes)
- 5. Re: [Amps] Alpha 91b problems (score: 1)
- Author: "Terry Baxter" <w6cbureau@san.rr.com>
- Date: Mon, 21 Nov 2022 23:52:07 +0000
- I did contact EPD several weeks ago about a transformer. They told me that they were having problems getting the cores from the supplier and that they would contact me when they were available and gi
- /archives//html/Amps/2022-11/msg00048.html (6,731 bytes)
This search system is powered by
Namazu