[AMPS] 3CX1200A7 vs 3CX1200D7?

[W8JITom@aol.com]

In a message dated 97-02-24 22:31:57 EST, hamradio@emerald.oz.net writes:

<< 
      What is the difference between the 3CX1200A7 and the 3CX1200D7?  Does
one 
 have a real advantage over the other?  Are they interchangable?  Thanks. >>

They are almost identical except for filament voltage and anode airflow
and appearance. They are both 1200 watt dissipation tubes.

The 3CX1200 Z 7 is the best of the series, it has a lower impedance grid
connection (it comes out on a flange) and is more stable.

73 Tom



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