[Amps] 3CX1200 tubes

["Randy" <hamradio@oz.net>]

Aside from the physical and filament differences is there much difference in
RF performance between the 3CX1200A7, D7, and Z7 tubes?  Is one more suited
for HF SSB service (lower IMD, etc.)?  If you had all three types available
and wanted to build an HF SSB amp project from scratch, which of these would
be the best choice?

 

Thanks.

 

Randy, W7HR

Port Orchard, WA

 

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