Rick, Thank you - I'LL ANSWER THE QUESTIONS IN CAPS.
Kris KM2KM
> Need more info:
>
> 1. Have you tried it on a dummy load? If so, was it OK, or also 375w on
> 40m?
YES, SAME PROBLEM
>
> 2. Did this suddenly occur, or has it always been this way? Or is it new
> and being tried first time?
IT HAS BEEN THIS WAY FOR A LONG TIME. ABOUT FOUR MONTHS AGO I REPLACED THE
TUBES WITH A MATCHED SET - SAME PROBLEM
>
> 3. What transceiver are you driving it with?
TEN TEC DELTA II
>
> 4. What is the SWR between the transceiver and the Linear on each of
> these
> bands?
BINGO 3:1 ON 40 METERS NO SWR ON THE OTHERS WHEN IN LINE WITH THE AMP ON
AND TUNED UP
>
> 5. What is the output of your transceiver on each of these bands? (If
> it's
> down on 40, then the issue is not the linear).
OK, IT IS CUTTING BACK B/C OF THE SWR
>
> 6. Assuming this has suddenly occurred, and it was previously working
> correctly, carefully examine the settings of the Tune and Load controls.
> Have they changed significantly from their settings when it was working
> properly?
MOOT QUESTION NOW
>
> When we know the answers to these questions, maybe something will give us
> further clues.
>
> 73
> Rick
>
> -----Original Message-----
> From: tentec-bounces@contesting.com [mailto:tentec-bounces@contesting.com]
> On Behalf Of Kris Merschrod
> Sent: Thursday, May 27, 2010 12:55 PM
> To: Discussion of Ten-Tec Equipment
> Subject: [TenTec] Ten-Tec 411 Centaur Amp Problem
>
> Wow, now that Joe (K0BX) has managed to slid in edgewise by taking
> advantage of the great TT QSK while the discussion group was in CW
> mode!!!!
>
> Here is the issue that I have. On 40 meters, into a resonant 40 meter
> loop,
>
> the Centaur will only put out 375 atts.
> On 80 meters and 20 meters it puts out the appropriate power (500+ Watts)
> while using a tuner into an 80 meter dipole. On 40 Meters, through the
> tuner, into an 80 meter diople it will only put out the same 375 watts.
>
> Where can the problem be?
>
> Kris KM2KM
> Merschrod
> 123 Warren Road
> Ithaca, NY 14850
> www.merschrod.net/KA2OIG.htm
>
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