good tube. The 4-250A has the same cathode/filament as a 3-500Z, so it
will make the same pep on ssb.
>I have 4 like new 4-250A with sockets 35.00 plus shipping.
>NI4L CUSTOM RESONANT DIPOLE
>LEGAL LIMIT ++ CUSTOM MADE CENTER FED DIPOLE
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>Let me take the hassle out of making a RESONANT DIPOLE for you.
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- R. L. Measures, a.k.a. Rich..., 805.386.3734,AG6K,