[OT] Re: KPA1500 First RF Review

[Elecraft mailing list]

On 15/12/17 22:14, Wes Stewart wrote:

> Here's your 3500 watt amp, listing Elecraft compatibility:
> http://www.kojinsha.jp/kl-1en/
>
> Only $10k and possibly a visit from the FCC!
>
> John AE5X
> https://ae5x.blogspot.com
>
>
>> What! 3500 watts out?!?! How is that possible?

Easy when done correctly, & NOT by using a SO239 socket on the output!

That thing should have a 7-16 connector at least on the output.

I don't see any mention of any automatic protection against high VSWR or
other woes that'd damage the tube and/or tuning networks.

Dave G0WBX.

PS:  that power level is very do-able all solid state these days, and
with very much higher power's too!   But...  You'd need an equally
expensive harmonic filter bank, to keep it clean "on air".
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[Leroy Buller]

FM broadcast transmitters as well as AM broadcast transmitters have been
doing thus for many years now.

Lee K0WA

On Dec 17, 2017 7:20 AM, "Dave B via Elecraft" <[hidden email]>
wrote:

>
> On 15/12/17 22:14, Wes Stewart wrote:
> > Here's your 3500 watt amp, listing Elecraft compatibility:
> > http://www.kojinsha.jp/kl-1en/
> >
> > Only $10k and possibly a visit from the FCC!
> >
> > John AE5X
> > https://ae5x.blogspot.com
> >
> >
> >> What! 3500 watts out?!?! How is that possible?
>
> Easy when done correctly, & NOT by using a SO239 socket on the output!
>
> That thing should have a 7-16 connector at least on the output.
>
> I don't see any mention of any automatic protection against high VSWR or
> other woes that'd damage the tube and/or tuning networks.
>
> Dave G0WBX.
>
> PS:  that power level is very do-able all solid state these days, and
> with very much higher power's too!   But...  You'd need an equally
> expensive harmonic filter bank, to keep it clean "on air".
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
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>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
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