[Amps] The ongoing 4CX250B verbage!

[Steve Thompson]

Jerry Muller wrote:
> Although you couldn't tell the difference between a 4CX250 and an 8877, 
> anyone operating near you in frequency could. The triodes are MUCH cleaner 
> in terms of IMD than the tetrode. The 3rd order IMD performance of the 
> 4CX250 is not much better than -20dB where the 8877 is about -38dB.
Crikey! The pair I ran on 2m came close to the figures STC give in their 
specs. - -30dBc 3rd order and -50dBc 5th order, at 550-600W pep from the 
pair.

Steve