WRL had the Galaxy 2000 amplifier that used 10 sweep tubes in it for a KW.
73
Tom W7WHY
http://www.eham.net/reviews/detail/1537
On Mon, Dec 4, 2017 at 1:53 PM, <fortra@siol.net> wrote:
> Hi Bill,
> i do remember seeing an article with 8 to 10 TV horizontal amplifier
> sweep tubes. They were Philips or Valvo, or Siemens, marked
> as PL519, PL509 and not sure PL505. There were also line of EL519
> but, faintly they did not fit the drawing due to heating.
>
> The PL519 were either designed for 24 Volts or similar voltage, thus
> they used quite some number of them.
>
> It was published in our Radioamater , same as QST as national amateur radio
> magazine. And when our "brother ina arms " CBers find that, you have got
> number of
> amps...
> Also, if my memory serves me, there was an article in German CQ-DL thus,
> play bit
> with google ans see, if you got any respones...
>
> Kind regards Bill,
>
> Nermin S58DX
>
> -----Izvorno sporočilo----- From: Fuqua, Bill L
> Sent: Monday, December 04, 2017 6:06 PM
> To: amps@contesting.com
> Subject: [Amps] amplifier in 1960's QST
>
> I have been looking for an article about a suitcase kW amplifier using a
> load of sweep tubes. directly off power line power supply (voltage
> multiplier) and a broadband matching network. Not interested in building
> one because there are all sorts of problems with the idea. I think it was
> in late 60's but I can't find it. Perhaps it was not QST.
>
> Anyone remember it?
>
>
> 73
>
> Bill wa4lav
>
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