>
>As I recall we had this same discussion about 12 months ago and it finally
>peetered out
>because nobody had an amplifier which they would lend so that a full IMD
>investigation
>could be done.
>
? I performed a voice-modulation investigation on two DAF amplifiers.
One used 4cx250Bs and the other used 813s. Depending on how heavily
they were being driven, total on-the-air feculence was 21 to 23 db below
PEP. However, with 2-tone modulation and minimal grid currents, they
were acceptably clean.
- later, John
Rich...
R. L. Measures, 805-386-3734, AG6K, www.vcnet.com/measures
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