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[AMPS] 4CX1600B Amplifier in new handbook

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Subject: [AMPS] 4CX1600B Amplifier in new handbook
From: G3SEK@ifwtech.demon.co.uk (Ian White, G3SEK)
Date: Mon, 29 Nov 1999 19:40:41 +0000
Richard W. Ehrhorn wrote:
>May also be worth mentioning that (I think) the original Svetlana-built 
>Russian 
>military tube was the 4CX1600A, which is similar but not identical to the 
>newer 
>4CX1600B. My impression is that the "B" version may have been derived 
>specifically for commercial export sales - has a bigger and  more efficient 
>air 
>cooler, greater power rating, and specific applications data for SSB. How much 
>the increased ratings are due to the cooler, possible internal changes (which 
>I 
>doubt), or a less conservative ratings philosophy for ham/export applications 
>is 
>unclear.
>
>Can anyone (Ian?) confirm, clarify, correct or add to the above?
>

Sorry, I don't have any further information. 

Your posting is the first I ever heard of the 4CX1600*A*. That would be
an "export" designation anyway - would it be better known under the
original Russian "GU" number?

73 from Ian G3SEK          Editor, 'The VHF/UHF DX Book'
                          'In Practice' columnist for RadCom (RSGB)
                           http://www.ifwtech.demon.co.uk/g3sek

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