[Amps] 4CX1600U - too good to be true?

[Ian White GM3SEK]

K5GW wrote:

>>Came  across a 4CX1600U for sale on eBay, item number 260460157717 at a
>>very  low
>>price. Is this too good to be true?
>>
>>This tube is similar in  ratings to the no-longer-available 4CX1600B. Has
>>anyone
>>had any experience  with it? With the price on eBay, this might well be the
>>best
>>bang for the  buck available on the Amateur market.
>>
>>There is some question as to what  socket will fit it.
>>
>>Svetlana spec sheet at:   http://www.qsl.net/ik8rih/svetlana.pdf
>>
>>73, Bill  W6WRT
>>


>The 4CX1600U is a coaxial base tube. You build the socket from finger stock
> and the various cavity parts required for proper operation.
>
>I have run one on 432MHz moon bounce for several years and can say it will
>do 1500W output while loafing along. Up to 2500w output is possible.


To be clear, the 4CX1600U is completely unrelated to the 4CX1600B. It is 
a totally different tube requiring different DC operating conditions, 
and intended for use in cathode-driven cavity amplifiers.



-- 

73 from Ian GM3SEK
http://www.ifwtech.co.uk/g3sek