https://item.taobao.com/item.htm?spm=a230r.1.14.34.48d1291dAkpzn3&id=589518799923&ns=1&abbucket=16#detail
the link is taobao， the socket less than 10 bucks:D
Joe Subich, W4TV <lists@subich.com> 于2020年1月12日周日 下午11:05写道：
>
> I worry about it ...
>
> 800 W plate dissipation is marginal for 100% duty cycle modes like RTTY
> at 1500 W output.
>
> The specification sheet lists only oscillator operation (e.g. industrial
> heating, etc.) and gives only class C parameters. What will the IMD and
> efficiency be in linear operation (AB1, AB2)?
>
> Are sockets readily available?
>
> Those questions aside, the price is very tempting (until the
> manufacturer gives up on it).
>
> 73,
>
> ... Joe, W4TV
>
>
> >> 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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