Nice looking amp. I wonder how the 4 unshielded meters like all that RF.
Bob W6TR
----- Original Message -----
From: "PA3DUV" <pa3duv@planet.nl>
To: <amps@contesting.com>
Sent: Sunday, May 28, 2006 4:06 PM
Subject: [Amps] twin 4CX-10 000D amplifier: multiple tubes
> Gentlemen,
>
> For those interested in the design of HF power amplifiers this web page
> might be of interest:
>
> http://66.249.93.104/translate_c?hl=en&ie=UTF-8&oe=UTF-8&langpair=ja%7Cen&u=http://www.iizuka-net.ne.jp/~bear-el/10000d-2&prev=/language_tools
>
> or without the translator:
>
> http://ns.iizuka-net.ne.jp/~bear-el/10000d-2/
>
> This single band 7 MHz amp for amateur usage is conservatively rated at 20
> kW output. Exciter is an Icom IC7800.
> According to the builder of the amp is does 20 kW out without abnormal
> blower noise levels or a burning smell from the RF deck. A 30 kVA 3 phase
> power supply is used, generating an unloaded B+ of 8 kV DC.
>
> Cheers, Dick
> PA3DUV
>
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