>
>Hi Everyone,
>Anybody on this mailing list know which glass tube used at ham legal limits
>glows the brightest? Thinking of building an amp with such a tube and use
>it at special ham events. Maybe mesmerize people with its glow and work DX
>just for fun.
>
? The 4-250A glows pretty bright. It has the same cathode as the
3-500Z. With 0v bias and approx. 3500v on the anodes, a pair in AB2 G-G
will deliver the legal limit on cw and ssb. I recommend the cooling
technique used in the Heath SB-220.
- cheers.
Rich...
R. L. Measures, 805-386-3734, AG6K, www.vcnet.com/measures
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