There are a few manufacturers in China, one of them located our city:D, If
Its driveing power not too high, I want build one.
Kelly Taylor <ve4xt@me.com> 于2020年1月12日周日 上午11:59写道：
> 6 inches across and 10 inches tall… Cool!
>
> 73, kelly, ve4xt
>
> > On Jan 11, 2020, at 9:50 PM, MU 4CX250B <4cx250b@miamioh.edu> wrote:
> >
> > A cool tube, Hsu, kind of a throwback to the 1960s, when homebrewers
> > were running 3-1000Zs and grounded grid 4-1000As. This is a BIG old
> > triode that I bet is a beauty to see lighted up with that nice
> > tungsten filament and plate glowing orange.
> > 73,
> > Jim w8zr
> >
> > Sent from my iPhone
> >
> >> On Jan 11, 2020, at 7:28 PM, Yueh Hsu <hsu4qro@gmail.com> wrote:
> >>
> >> The datasheet here http://www.boezk.com/download_en/FU6051_EN.pdf,
> its
> >> mu=48,not too bad. it is a cheap tube . the manufacturer's list price
> only
> >> $100+....
> >> Hsu
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