----- Original Message -----
From: "Roger (sub1)" <sub1@rogerhalstead.com>
To: "Diane & Edward Swynar" <deswynar@xplornet.ca>
Cc: <amps@contesting.com>
Sent: Monday, March 28, 2011 3:04 PM
Subject: Re: [Amps] Homebrew is back..
> On 3/28/2011 3:38 PM, Diane & Edward Swynar wrote:
>> Hi Roger et al,
>>
>> I use a pair of 813s in parallel grounded-grid service here in my
>> homebrewed
>> KW amplifier, and---I'm blushing as I type this!---but I have NEVER EVER
>> purchased any of the jugs that are in it, or the spares that I have here,
>> brand new...
>>
>
> I forgot the old 813. I have 3 of them up on the shelf and keep looking
> for more.
> I used to run the "old legal limit" with a pair of them as you
> describe. I ran into a guy on 40 a while back who claimed he could get
> 2400 PEP out of 4 of them. I don't know if his amp was a monoband or
> covered all of the HF bands.
Thats rather normal for INPUT power. At 3KV and 200ma each it is very
attainable and reliable with a bit of air as the 125W PD is ultra
conservative.
Carl
KM1H
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