[TenTec] TT Centurion AMP failure

[CSM(r) Gary Huber - AB9M]

Also look at the plate choke to see if its burnt....  but the best thing is 
to call TT with the details. Most likely you'll have to send it back but 
that's most likely the quickest resolution.

Good luck,

Gary - AB9M

--------------------------------------------------
From: "Ed" <w3nr at comcast.net>
Sent: Wednesday, February 17, 2010 4:05 PM
To: "Discussion of Ten-Tec Equipment" <tentec at contesting.com>
Subject: Re: [TenTec] TT Centurion AMP failure

> Doyle wrote:
>> Help,
>>     Was operating RTTY when my Centurion Amp quit working.  The symptom 
>> is
>> that it shows 200 Ma Even in the Stnby position the plate current is 200 
>> Ma
>> & the tubes are moderately red.  The tubes are only a year old.  Any idea
>> what might have happened?  Looks like a trip a trip to TT.
>>     Anyone with a Centurion Amp have this symptom?
>> Thanks,
>>
>> Doyle/N4VV
>
> Was there any snap,crackle or pop ??
>
> I would take a look at how TT provides cutoff bias. Usually its a zener
> in the B-/filament center tap. I would also take a look at the meter
> shunt resistor.
>
> My last choice would be to run out and buy new tubes.
>
> Ed W3NR
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