TenTec archive search

1. [TenTec] 1999 Centurion amplifier - grid goes negative/output goes to zero (score: 1)

Author: "Bob " <w3hkk@roadrunner.com>

Date: Fri, 9 Mar 2018 12:11:45 -0500

Bought this used from an estate sale in 2014. Worked great for 3 yrs. Then a tube short blew a fuse. Replaced both finals and all was well until a few months ago. The amp worked well for a few transm

/archives//html/TenTec/2018-03/msg00064.html (8,155 bytes)

2. [TenTec] Centurion Amp problem (score: 1)

Author: "Bob " <w3hkk@roadrunner.com>

Date: Tue, 13 Mar 2018 16:44:46 -0400

Thanks for the suggestions guys. Looking like its a tube issue. I will pass that along to the tech wrking on the amp and see what he finds. Bob Sent from Mail for Windows 10 _________________________

/archives//html/TenTec/2018-03/msg00094.html (6,581 bytes)

3. Re: [TenTec] Off Topic (score: 1)

Author: <w3hkk@roadrunner.com>

Date: Wed, 23 May 2018 20:02:38 -0400

I recommend Malcolm Technical Support - Scott Malcolm - Toledo, WA - (ICOM & Kenwood Service) mts@toledotel.com Used Scott a couple years ago on my balky TS-50 with multiple problems that nobody want

/archives//html/TenTec/2018-05/msg00068.html (8,361 bytes)

4. Re: [TenTec] Centurion Amplifier - random "ticks" (score: 1)

Author: <w3hkk@roadrunner.com>

Date: Thu, 7 Feb 2019 15:20:24 -0500

1. I periodically hear an occasional soft "tick" coming from the amplifier during a key down tune up procedure in my Centurion. Assume theyre due to to gas build up in the tunes, discharging? Any ide

/archives//html/TenTec/2019-02/msg00024.html (13,007 bytes)

5. Re: [TenTec] Centurion Amplifier draws negative grid current-help requested (score: 1)

Author: W3HKK@roadrunner.com

Date: Fri, 12 Feb 2021 14:29:35 +0000

This may or may not help, but here's my story. My 23 yo Centurion worked like a charm for 5 years after I bought it used, 10 yrs ago. Then one day the grid started going negative. I had a local tech

/archives//html/TenTec/2021-02/msg00032.html (9,625 bytes)

6. Re: [TenTec] Centurian data points. (score: 1)

Author: W3HKK@roadrunner.com

Date: Wed, 24 Feb 2021 18:48:42 +0000

My Vectronics DL2500 fan cooled DL seems very stable when tuning up on 160-6m. What kind of dummy load? An off the wall idea, but when the "dummy load gets very warm", is it still 50 ohms - or is the

/archives//html/TenTec/2021-02/msg00053.html (11,307 bytes)

7. Re: [TenTec] Problem with Hercules II (score: 1)

Author: W3HKK@roadrunner.com

Date: Tue, 07 Mar 2023 18:53:26 +0000

What you describe sure sounds like a relay problem to me. Although I dont have a Hercules II amp, I do have the same problem with my 20m 2-el vertical phased array. When I go to rx, sigs are sometime

/archives//html/TenTec/2023-03/msg00009.html (8,836 bytes)

8. Re: [TenTec] Need TenTec 238C Ant Tuner - very wierd antenna switch behavior (score: 1)

Author: W3HKK@roadrunner.com

Date: Wed, 22 Nov 2023 20:35:55 +0000

My 238C antenna switch has seemingly gone bonkers. I connect one coax(antenna) to any of the four antenna connectors on the rear of the unit and when I switch from antenna 1 to 2 to 3 to 4, I get the

/archives//html/TenTec/2023-11/msg00027.html (8,333 bytes)

9. Re: [TenTec] service (score: 1)

Author: "W3HKK" <W3HKK@roadrunner.com>

Date: Wed, 06 Nov 2024 17:33:00 +0000

Who are some recommended repair service providers for TenTec amplifiers ( such as the Centurion amplifier?) Thanks. --From: "Mike Bryce" The ten tec company along with the service department is long

/archives//html/TenTec/2024-11/msg00004.html (7,180 bytes)