Peter,

Check the manual again.  You will see that 200W is the INPUT power.

Assume a realistic 60% efficiency and you get 120W.

Ken
WA2LBI



On Sat, Jan 21, 2012 at 07:18, Peter Ravn <fas...@privat.dk> wrote:

> **
> Acccording to the factory specifications the T4XB should run 200 watts on
> all bands. My recent acquired T4XB runs 120 watts on 80 and 40 meters, 140
> watts on 20 meters, 100 watts on 10 meters and 75 watts on 15 meters. SWR
> is low on all the antennas used. After some 30-45 minutes of operation the
> output will fall app. 10 watts. Any idea why? Thanks in advance.
>
> 73 OZ8CTH, Peter
>
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