[AMPS] Questions about FL2100Z and FL2100B Amps

[Rich Measures]

>
>     Here are some questions for you amp gurus about a Yaesu FL2100Z
>that I am checking out:
>
>     On 10M  with 96 watts input, output is 320 watts, on 15M it is 473
>watts, on 20M it is 595 watts, on 40M it is 586 watts and on 80M it is
>640 watts.  Is this an indication that the tubes are going soft?
>
>     With a Yaesu FL-2100B using the same test setup, 10M output is 600
>watts with 62 watts input. ..... ...
>     I would appreciate any and all ideas that might account for these
>differences.
>
>     Thanks,
>
>                  Roger Stimson K8RS
>
Swapping tubes might provide a clue.  

Rich. Measures.  Web site:  www.vcnet.com/measures


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