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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[TenTec\]\s+Model\s+411\s+amp\s+$aka\s+Centaur$\s*$/: 32 ]

Total 32 documents matching your query.

1. [TenTec] Model 411 amp (aka Centaur) (score: 1): Author: Joe Papworth via TenTec <tentec@contesting.com>; Date: Tue, 26 Jan 2016 08:50:15 -0500; Gents, Have any of you gone a few rounds with a Centaur amp? I have a one that blows fuses very intermittently. It vaporizes them both, simultaneously, so it's apparently a dead-short somewhere. This; /archives//html/TenTec/2016-01/msg00409.html (7,120 bytes)
2. Re: [TenTec] Model 411 amp (aka Centaur) (score: 1): Author: "Al Sirois" <alsirois@roadrunner.com>; Date: Tue, 26 Jan 2016 11:25:14 -0500; Tuesday noontime, Joe: I have a Centaur..............keep it covered when not in use. My Elmer told me to always keep it covered..................dust is the problem. Even when covered, open it up ev; /archives//html/TenTec/2016-01/msg00413.html (8,786 bytes)
3. Re: [TenTec] Model 411 amp (aka Centaur) (score: 1): Author: P C Andy Anderson <xtraham58@hotmail.com>; Date: Tue, 26 Jan 2016 16:52:20 +0000; Joe, I had a similar problem with my Centurion AMP. It eventually failed completely. The secondary of the power transformer shorted to the frame. I had the Xformer rewound at TRS. BTW this transforme; /archives//html/TenTec/2016-01/msg00414.html (8,463 bytes)
4. Re: [TenTec] Model 411 amp (aka Centaur) (score: 1): Author: Joe Papworth via TenTec <tentec@contesting.com>; Date: Tue, 26 Jan 2016 12:28:03 -0500; Thanks Andy. Was it the HV secondary that shorted? I isolated the HV secondary from the HV board and it reads open to the frame and chassis. (Reads about 45 ohms when connected to the board) Thanks,; /archives//html/TenTec/2016-01/msg00415.html (9,310 bytes)
5. Re: [TenTec] Model 411 amp (aka Centaur) (score: 1): Author: Al Gulseth <wb5jnc@centurytel.net>; Date: Tue, 26 Jan 2016 13:54:21 -0600; Joe, Just an ohms check may not be enough. You may be dealing with an intermittent breakdown under high voltage. A "hi-pot" (high potential) test with an insulation tester etc. would be the only way; /archives//html/TenTec/2016-01/msg00420.html (11,302 bytes)
6. Re: [TenTec] Model 411 amp (aka Centaur) (score: 1): Author: Carl Moreschi <n4py3@earthlink.net>; Date: Tue, 26 Jan 2016 15:00:04 -0500; Don't overlook the possibility on an intermittent short in one of the 811's. Carl Moreschi N4PY 58 Hogwood Rd Louisburg, NC 27549 www.n4py.com Just an ohms check may not be enough. You may be dealing; /archives//html/TenTec/2016-01/msg00421.html (11,813 bytes)
7. Re: [TenTec] Model 411 amp (aka Centaur) (score: 1): Author: Joe Papworth via TenTec <tentec@contesting.com>; Date: Tue, 26 Jan 2016 15:03:36 -0500; Thanks Al. I think that's what is going on here.?I don't have a Hi-pot unit.?If I can't fix it easily (and cheaply), it's going back on the shelf... Joe, Just an ohms check may not be enough. You may; /archives//html/TenTec/2016-01/msg00422.html (11,905 bytes)
8. Re: [TenTec] Model 411 amp (aka Centaur) (score: 1): Author: Al Gulseth <wb5jnc@centurytel.net>; Date: Tue, 26 Jan 2016 15:03:24 -0600; Joe, I'm hoping some of the other guys who are more "amp-saavy" than I chime in, but you might be able to do a "cheap & dirty" test of the transformer this way. It would be somewhat subjective, but d; /archives//html/TenTec/2016-01/msg00423.html (14,620 bytes)
9. Re: [TenTec] Model 411 amp (aka Centaur) (score: 1): Author: Joe Papworth via TenTec <tentec@contesting.com>; Date: Tue, 26 Jan 2016 16:19:18 -0500; It has stayed on with the tubes removed for a while.? I'm examining/ohming the tubes now. Don't overlook the possibility on an intermittent short in one of the 811's. Carl Moreschi N4PY 58 Hogwood Rd; /archives//html/TenTec/2016-01/msg00424.html (14,083 bytes)
10. Re: [TenTec] Model 411 amp (aka Centaur) (score: 1): Author: Joe Papworth via TenTec <tentec@contesting.com>; Date: Tue, 26 Jan 2016 16:27:14 -0500; PS- Plate volts read around normal for no load. One thing that bugs me though is the in-rush sound. It's loud !!! --Original Message-- From: Joe Papworth via TenTec <tentec@contesting.com> To: n4py3; /archives//html/TenTec/2016-01/msg00426.html (15,129 bytes)
11. Re: [TenTec] Model 411 amp (aka Centaur) (score: 1): Author: <km2km@twc.com>; Date: Tue, 26 Jan 2016 18:27:55 -0500; I'm late chiming in. My problem with the fuses has always been a shorted tube. You are on the right track. Test one fuse at a time, or start with one, add another, then the third. BTW a matched set i; /archives//html/TenTec/2016-01/msg00427.html (15,146 bytes)
12. Re: [TenTec] Model 411 amp (aka Centaur) (score: 1): Author: Al Gulseth <wb5jnc@centurytel.net>; Date: Tue, 26 Jan 2016 17:34:42 -0600; Per Carl - note the word "intermittent." That would account for the seeming randomness of the blown fuses. I think dealing with that word in relation to electronic devices may also have something to; /archives//html/TenTec/2016-01/msg00428.html (16,045 bytes)
13. Re: [TenTec] Model 411 amp (aka Centaur) (score: 1): Author: "Tony Lelieveld" <va3dwi@gmail.com>; Date: Tue, 26 Jan 2016 18:40:00 -0500; Kris, When you said "Test one fuse at a time", I presume you meant Tube? 73, VE3DWI. I'm late chiming in. My problem with the fuses has always been a shorted tube. You are on the right track. Test on; /archives//html/TenTec/2016-01/msg00429.html (15,222 bytes)
14. Re: [TenTec] Model 411 amp (aka Centaur) (score: 1): Author: Joe Papworth via TenTec <tentec@contesting.com>; Date: Tue, 26 Jan 2016 21:29:34 -0500; HI HI It's no coincidence that baldness is common among Hams.... Sent from AOL Mobile Mail Per Carl - note the word "intermittent." That would account for the seeming randomness of the blown fuses. I; /archives//html/TenTec/2016-01/msg00431.html (20,191 bytes)
15. Re: [TenTec] Model 411 amp (aka Centaur) (score: 1): Author: Joe Papworth via TenTec <tentec@contesting.com>; Date: Tue, 26 Jan 2016 21:40:43 -0500; Hi Kris, Thanks for the info. It sounds like that store proprietor had gone a few rounds with some rigs. Hi hi I'll try the tubes by adding one at a time tomorrow. Say, does your Centaur make a loud; /archives//html/TenTec/2016-01/msg00432.html (20,494 bytes)
16. Re: [TenTec] Model 411 amp (aka Centaur) (score: 1): Author: Gary J FollettDukes HiFi <dukeshifi@comcast.net>; Date: Tue, 26 Jan 2016 21:10:01 -0600; I fellow up in northern Minnesota GAVE me one of those with exactly the same problem. I found that one of the filter caps was pinched too hard during assembly and must have distorted the capacitor. I; /archives//html/TenTec/2016-01/msg00433.html (11,218 bytes)
17. Re: [TenTec] Model 411 amp (aka Centaur) (score: 1): Author: Joe Papworth via TenTec <tentec@contesting.com>; Date: Tue, 26 Jan 2016 22:25:28 -0500; Thanks Gary. I eye-balled the caps today. I didn't see anything bad but I was mainly looking for swelling. If it's not a tube, I'll take another look at the caps. Sent from AOL Mobile Mail I fellow u; /archives//html/TenTec/2016-01/msg00434.html (13,685 bytes)
18. Re: [TenTec] Model 411 amp (aka Centaur) (score: 1): Author: Gary J FollettDukes HiFi <dukeshifi@comcast.net>; Date: Tue, 26 Jan 2016 22:42:42 -0600; I would indeed look at the caps again. I remember now that one of them in mine had a metal bridge between the can and the positive screw terminal of the cap. Gary ____________________________________; /archives//html/TenTec/2016-01/msg00436.html (15,001 bytes)
19. Re: [TenTec] Model 411 amp (aka Centaur) (score: 1): Author: "Roy" <royanjoy@ncn.net>; Date: Wed, 27 Jan 2016 06:56:46 -0600; Un-plug tubes and try. 73, Roy K6XK I have a one that blows fuses very intermittently. It vaporizes them both, simultaneously, so it's apparently a dead-short somewhere. This happens even in stand-by; /archives//html/TenTec/2016-01/msg00437.html (9,544 bytes)
20. Re: [TenTec] Model 411 amp (aka Centaur) (score: 1): Author: <km2km@twc.com>; Date: Thu, 28 Jan 2016 09:45:16 -0500; Good morning Joe, Yes, my AMP does make a "thunk" when turned on, but, for example, I have been using it for an hour. Then I turned it off. Now, 15 minutes later, I turn it on and it does not "Thunk"; /archives//html/TenTec/2016-01/msg00448.html (21,882 bytes)

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