[Amps] 813 No parasitics

[on4kj]

813's  You transfered me back in the fifties TOM
Are these valves still available or used ?
Remember I had a TX on board " Algerine Minesweeper  "  6V6 gt as an
ocillator, 807 gt as a driver and 813 in the PA. Never blowed one up. Even
when using portwave in harbor we just took the ant.off  :-). Dont try it
nowadays without a good protection...

Thanks TOM  for the trip.
Jos

----- Original Message -----
From: "Tom Rauch" <w8ji at contesting.com>
To: "GGLL" <nagato at arnet.com.ar>; "Amplificadores Lineales"
<amps at contesting.com>
Sent: Tuesday, March 18, 2003 12:06 PM
Subject: Re: [Amps] 813 No parasitics


>
> > Ok, you asked Skip; but let me suggest or better saying, ask, could be
> > the 30 MHz highest frequency for full ratings?, or maybe at lower
> > ratings you could have parasitics also?.
>
> As a general rule the most difficult to stabilize tubes are tubes with low
> upper frequency limits. The grid and anode leads inside such tubes are
> usually thin and long.
>
> 73 Tom
>
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