To: | "Roger" <sub1@rogerhalstead.com>, <donroden@hiwaay.net> |
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Subject: | Re: [Amps] 4cx800a |
From: | "Cecil Acuff" <chacuff@cableone.net> |
Date: | Tue, 16 Feb 2010 07:45:25 -0600 |
List-post: | <amps@contesting.com">mailto:amps@contesting.com> |
----- Original Message ----- From: "Roger" <sub1@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 -------------------------------------cut--------------------------------------------- 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 _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/amps |
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