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21. [TenTec] Centurion Problem (score: 1): Author: Michael Marx <sndtubes@vacuumtubes.com>; Date: Mon, 20 Nov 2017 11:47:08 -0600; Hi Guys, I have a Centurion that experienced some kind of arcing event which resulted in one of the traces on the Filter/Rectifier board that connects to the secondary of the transformer to actually; /archives//html/TenTec/2017-11/msg00103.html (7,477 bytes)
22. [TenTec] Centurion Bias Transistor Follow on post (score: 1): Author: Michael Marx <sndtubes@vacuumtubes.com>; Date: Mon, 20 Nov 2017 12:09:53 -0600; Guys, I just posted a message about my Centurion with a bias problem. As I stated I replaced the bias transistor which did not fix the problem. Here is something interesting that I dont understand. I; /archives//html/TenTec/2017-11/msg00104.html (8,101 bytes)
23. [TenTec] Orion Keying Loop (score: 1): Author: Michael Marx <sndtubes@vacuumtubes.com>; Date: Sun, 10 Dec 2017 11:41:22 -0600; Hi Guys, I have been dealing with a sick Centurion. Still having problems. I am going to rebuild the QSK board and try again. However, when I was testing the Centurion with my Orion 1, I had keying l; /archives//html/TenTec/2017-12/msg00029.html (7,448 bytes)
24. Re: [TenTec] TenTec Digest, Vol 180, Issue 9 (score: 1): Author: Michael Marx <sndtubes@vacuumtubes.com>; Date: Mon, 11 Dec 2017 16:50:08 -0600; Barry, I am saying the radio will key if key loop 2 is turned on or off. key loop 1 will not key the radio if key loop 1 is turned on. If it is off, the radio will key. This is with nothing connected; /archives//html/TenTec/2017-12/msg00038.html (10,222 bytes)
25. [TenTec] Keying Loop / QSK Question (score: 1): Author: Michael Marx <sndtubes@vacuumtubes.com>; Date: Sat, 17 Feb 2018 14:48:32 -0600 (CST); Hi Guys, I have an Orion 1 with Keying Loop 1 that is not functional. Keying loop 2 is ok. So, one option is I can use antenna 2 with keying loop 2. I am using the Orion 1 with a Centurion. If I conn; /archives//html/TenTec/2018-02/msg00103.html (7,253 bytes)
26. [TenTec] Closet KW For Sale (score: 1): Author: Michael Marx <sndtubes@vacuumtubes.com>; Date: Thu, 10 May 2018 15:33:22 -0500; Hi ALL, I have decided to sell my Ten Tec Closet Kilowatt. I want to sell as a package ONLY and will deliver for free to Dayton/Xenia. Here is what what is in it: 1. Omni VI+ Model 564 (not an option; /archives//html/TenTec/2018-05/msg00027.html (8,332 bytes)
27. [TenTec] Orion Filter (score: 1): Author: Michael Marx <sndtubes@vacuumtubes.com>; Date: Thu, 29 May 2025 12:27:02 -0500; I have a newly acquired Orion 1. The filter board is loaded. The optional filters were not enabled in the menu. When Inenabled them, the radio would go nearly dead when the 500 Hz filter was switched; /archives//html/TenTec/2025-05/msg00007.html (7,078 bytes)

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