[Amps] 4cx800a

[Cecil Acuff]

----- Original Message ----- 
From: "Roger" <sub1 at rogerhalstead.com>

>       4CX3000A filament 9.0VAC @ 41.5A  = 373.5 Watts
>       4CX5000A filament 7.5VAC @ 75A     = 562.5 Watts
>
>
> Tubes with handles.
> 7KV on the plate of a 4CX3000 @ 2A input gives 5.3 KW out but it will
> run full power to 150 MHz (now there's an amp worthy of packet or making
> sure you can get into the local repeater during band openings ) while a
> paltry 5 Kv @ 1.4A on the 4CX5000 gives 5.8 KW loafing along up to 110 MHz
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Sorry guys....I'm not looking for a 5kw amp and a $5000+ project...

More reasonable...2500 watts.  Drive reduced to produce 1500 is more what I 
had in mind...  Triode might just be fine...I can drive it with 150 watts if 
necessary.

Cost is a consideration....

Cecil
K5DL