[TenTec] RESOLVED: Centurion amp no output, was working

[David Sturm]

Is there a label to see on my Ten-Tec Centurion on what date it was made?

On Mon, Mar 13, 2023 at 11:47 AM Mike Cumbo <mcumbo at triad.rr.com> wrote:

> Good news Jim. If I remember correctly, Ten Tec shipped the Centurion with
> the power transformer and tubes separate and the purchaser had to install
> both. That pinched wire was probably done by the original owner when he
> installed that very heavy transformer. Not throwing rocks, I have done
> worse.
>
> 73, Mike Cumbo, ND4S
>
>
>
> Sent from Mail for Windows
>
> From: jkauppila--- via TenTec
> Sent: Sunday, March 12, 2023 3:53 PM
> To: jkauppila--- via TenTec
> Cc: jkauppila at tutanota.com
> Subject: Re: [TenTec] RESOLVED: Centurion amp no output, was working
>
> The amp is now working.
>
> I opened it up and found a couple of connectors that were a bit loose and
> reseated them.  I also found something a bit more serious.  One of the hot
> 220V leads from the fuse was pinched under the transformer frame between
> the frame and the base of the cabinet.  It actually broke the insulation
> and there was bare copper showing.  I loosened the bolts under the cabinet
> for the transformer and lifted it enough to get the wire free to suspend it
> in free space.  I'll have to do some disassembly to get in to the wire and
> insulate it properly.  This amp was made in April 2010.
>
> I wanted to post this follow up so that no one wastes time on replying.
> I'm not sure what it was, but it's fixed now.
>
> 73,
>
> Jim AE1CW
> --
>  Sent with Tutanota, enjoy secure & ad-free emails.
>
>
>
> Mar 12, 2023, 10:25 by tentec at contesting.com:
>
> > I mistakenly transmitted from my Kenwood TS-590S into my new (used)
> Ten-Tec Centurion amp without the control relay turned on in the radio.
> The amp saw up to 20 watts in with the amp switch in operate with no
> transmit relay signal from the radio.  Now the amp has no output.
> >
> > Notes:
> >
> > Amp turns on, standby, operate and transmit lights works.  There is
> plate voltage.  The tubes light.  There is plate current and grid current
> when I transmit from the radio with the radio's amp control relay now
> turned on, but no output from amp.  I only tried transmitting with low
> power from the radio, up to 25W.
> >
> > Could I have blown a component on a board transmitting into the amp when
> the amp switch was set to operate with no control signal coming from the
> radio?  If so, where should I look in the amp?
> >
> > Thank you for any suggestions.
> >
> >
> >
> >
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> >
>
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