Hi Steve
Expect about 10dB of gain at 3kV, so 13-1400w should be possible with
135watts of drive.
813's can stand a lot of spanking, but I wouldn't use them for longer rtty
monologes at that power level.
73 // Einar, SM3MXR
steve wrote:
> ???? why would 135 watts be too much for 3x813 gg amp??
> seems i have 3200 volts availible at over 1 amp (way over) for plate---have
> had estimates of 800 to 1500 watts out sent to me by the reflector, which
> would be closer to the real power i shud expect?
>
> -----Original Message-----
> From: 2 <2@vc.net>
> To: steve <w5set@alltel.net>; AMPS <amps@contesting.com>
To: <amps@contesting.com>
> Date: Sunday, September 02, 2001 8:54 AM
> Subject: Re: [AMPS] 813 amp
>
> >>
> >>building new (to me) 3 hole 813 amp. about what kind of power out can i
> >>expect if running plate voltage at about 2800 to 2900 volts. driving with
> >>about 135 watts. just building for 160 to 20 mtr bands. tnx fer any
> info.
> >>steve w5set@alltel.net
> >>
> >// 135w will drive 4 or 5, 813s. P.out is about 350w PEP each at
> >2800v. Transverse 7" fan cooling wud be gud. "Hammer down" will hammer
> >the tubes. A tuning pulser won't.
> >
> >cheers
> >>
> >>
> >>--
> >>FAQ on WWW: http://www.contesting.com/FAQ/amps
> >>Submissions: amps@contesting.com
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> >>Problems: owner-amps@contesting.com
> >>
> >>
> >
> >
> >- R. L. Measures, 805.386.3734,AG6K, www.vcnet.com/measures.
> >end
> >
> >
>
> --
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