> -----Original Message-----
> From: amps-bounces@contesting.com [mailto:amps-bounces@contesting.com] On
> Behalf Of Tom W8JI
> Sent: Saturday, October 14, 2006 3:50 AM
> To: dcoffman@iquest.net; Bill Fuqua
> Cc: 'AMPS'
> Subject: Re: [Amps] "10 Meter Ban" to be lifted ...
>
> > Yes, I do care. That was why I was trying to understand
> > why 2 tubes would be
> > used. The only obvious senerio that I could come up with
> > was that someone
> > would be trying to run 4 or 5KW, not the senerio that you
> > spoke of.
>
> Your scenario is really the only one anyone would use Doug.
> The real reason is to run more than the 2.5kW output the
> single tube amp would do. A single 8877 run full tilt is
> cleaner than any amateur exciter made, the exception being a
> class A operated MK V FT1000MP.
>
> You also have to remember at the time that amp was designed
> the legal power was 1000 watts dc plate input power
> indicated on the plate current and plate voltage meters
> minus the driver power. Even a single 3-500Z could exceed
> the legal power at that time. It wasn't until the 80's that
> 1500 watts output became legal.
>
> 73,
> Tom
You could actually run much higher peak envelope output power under the old
rules than you can today. With the new rules we lost ground on the power we
are allowed to run. Few realized what really happened as few understood the
relationship between peak envelope power and average as read on the meter.
73
Gary K4FMX
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