It is equivalent to a 5680. Beyond that, I dunno. 
 
73, Alek
VK6APK  
 At 05:13 AM 26/06/2004, CLIVE COLLINS wrote:
Good evening Gentlemen, 
I have a JAN 7C23 tube that I suspect will give me about 2 kilowatts but I 
cannot find any data anywhere or reference to it. 
Does anyone have details please.  The device is a triode and looks like a 
very large 4X250 with the grid brought out to three pins on the base plus 
a heater pair with a centre tap. 
 
Thanks in advance for any help.
Regards,  
Clive GW3WEQ
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