- 1. [Amps] subject Ten-Tec Centurion fan replacement (score: 1)
- Author: "Ignacy Misztal" <no9e@arrl.net>
- Date: Sun, 4 Feb 2007 15:43:32 -0500
- I replaced one. The old seemed loud so I ordered a new one from Tentec. The replacement was quite laborious, and one hole in the new fan did not match. After replacement, an IC on the QSK board was f
- /archives//html/Amps/2007-02/msg00044.html (6,776 bytes)
- 2. [Amps] Flashover and QSK board in TT Centurion (score: 1)
- Author: "Ignacy Misztal" <no9e@arrl.net>
- Date: Mon, 1 Oct 2007 09:06:53 -0400
- A few minutes after being turned on, my TT Centurion made a loud bang and went dead. The trace on the HV board from the transformer to diodes evaporated. There was not any damage visible anywhere els
- /archives//html/Amps/2007-10/msg00004.html (7,363 bytes)
- 3. Re: [Amps] Flashover and QSK board in TT Centurion (score: 1)
- Author: "Ignacy Misztal" <no9e@arrl.net>
- Date: Mon, 1 Oct 2007 10:23:43 -0400
- This part is OK as the no-signal current is OK (150mA) Perhaps this is it! I called them and the QSK board is in the mail. One suggested cause was a surge in mains. Perhaps it makes sense to periodic
- /archives//html/Amps/2007-10/msg00009.html (8,511 bytes)
- 4. Re: [Amps] Flashover and QSK board in TT Centurion (score: 1)
- Author: "Ignacy Misztal" <no9e@arrl.net>
- Date: Mon, 1 Oct 2007 12:00:06 -0400
- Tom. TT Centurion has two 3-500Z. The red LED in that amp is for power > 1250W. The flashover was a few minutes after turned on when idle. Ignacy _______________________________________________ Amps
- /archives//html/Amps/2007-10/msg00012.html (9,104 bytes)
- 5. Re: [Amps] Flashover and QSK board in TT Centurion (score: 1)
- Author: "Ignacy Misztal" <no9e@arrl.net>
- Date: Thu, 4 Oct 2007 20:14:32 -0400
- After installing a new TT QSK board, my amp is alive. The board was about $60 pp. I also got replacements ICs from Mouser; they are about 30 cents a piece. Thank you for assistance. Ignacy __________
- /archives//html/Amps/2007-10/msg00045.html (8,075 bytes)
- 6. [Amps] Broken band switch in TT Centurion (score: 1)
- Author: "Ignacy Misztal" <no9e@arrl.net>
- Date: Sun, 16 Dec 2007 19:36:12 -0500
- In my Centurion, the bottom screw of the band switch became loose, the screw fell, and the switch arced. Now, some it does no work on some bands. Did anybody have this experience? It seems that getti
- /archives//html/Amps/2007-12/msg00171.html (6,762 bytes)
- 7. [Amps] Ten-Tec Centurion Design Flaw? (score: 1)
- Author: Ignacy Misztal <no9e@arrl.net>
- Date: Fri, 7 Dec 2012 14:06:30 -0500
- My TT Centurion seems stable on 160 when running. The current ceramic caps do well but an older doorknob failed. Centurion does not have enough range for matching with SWR > 1.5. I use TT238 to help.
- /archives//html/Amps/2012-12/msg00027.html (7,600 bytes)
- 8. [Amps] Solid state or tubes for HPAs (score: 1)
- Author: Ignacy Misztal <no9e@arrl.net>
- Date: Sat, 5 Oct 2013 22:27:53 -0400
- Expert 2k-fa is showing the status of amps for HF. The lightest and the cheapest legal limit automatic amp although not 100% duty. Needs a few refinements, but 9500 needed refinements too. The next o
- /archives//html/Amps/2013-10/msg00063.html (6,719 bytes)
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