Re: [Amps] PowerGenius XL Video

[Kevin <kstover@ac0h.net>]

No way a pair or trio of 3-500Z's does 1500W FM/RTTY key down all day.

An 8877 won't do it either without having a very big, very loud blower.


On 2/10/2017 4:29 PM, Bill Turner wrote:
> ------------ ORIGINAL MESSAGE ------------(may be snipped)
>
> On Fri, 10 Feb 2017 10:30:17 -0800, VE7RF wrote:
>
> > ##  If it ends up being $7-10K..and  cant be used for FM or  RTTY at full 
> > power, I would pass on it myself.
> REPLY:
>
> Me too. When this amp was first announced I was  pretty gung ho for
> it, but now I'm not so sure. A single 8877 will do anything the SS
> amps will do except instant-on, and if that's really important to you,
> a pair or trio of 3-500Z's will fill the bill.
>
> If you think about it, a pi or pi-L network in the plate circuit is a
> wonderful thing. Not only does it's Q reduce harmonics it also matches
> impedance and compensates for SWR (reactance) all at the same time,
> something a SS amp by itself can not do.
>
> Maybe I'll keep my 9500 after all.
>
> 73, Bill W6WRT
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--
R. Kevin Stover
AC0H
ARRL
FISTS #11993
SKCC #215
NAQCC #3441


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