[Amps] 4cx1000 project feedback and thank you

[Arne Gjerning]

If you read my post carefully I said OWNED .  I did not say BUILT.  The amp
was built by W7JNC, if I can remember this correctly.  In the same Radio
Handbook is " A DELUXE  MOBILE TRANSCEIVER" also built by W7JNC.  You will
see a very close relationship in workmanship of the 2 pieces of equipment.

73 de Arne N7KA

Oh, LOTS of folks can and do build amplifiers.

- Original Message -----
From: "R. Measures" <r at somis.org>
To: "Arne Gjerning" <gjerning at flash.net>; " AMPS" <amps at contesting.com>;
"skipp isaham" <nospam4me at juno.com>
Sent: Thursday, November 13, 2003 3:16 AM
Subject: Re: [Amps] 4cx1000 project feedback and thank you


>
>
> >One of the best built 4CX1000A amps is shown in 16th Edition of The Radio
> >Handbook.  Saw this one up close and personal as it was owned at one time
by
> >W7TDK, now W7GG.  But that was in the 60's.
>
> **  W7GG building an AB1 grid-driven amp instead of a GG amp is something
> I find considerably disconcerting.
> >
> >73 de Arne N7KA
> >
> >----- Original Message -----
> >From: "skipp isaham" <nospam4me at juno.com>
> >To: <amps at contesting.com>
> >Sent: Tuesday, November 11, 2003 9:02 PM
> >Subject: [Amps] 4cx1000 project feedback and thank you
> >
> >
> >> Hello again,
> >>
> >> All I can first say is wow and thank you to everyone who
> >> replied to my QST 4cx1000b information request.
> >>
> >> It appears the Author/Builder was Prof. Mark
> >> Mandelkern, now K5AM, of Las Cruces, New
> >> Mexico.
> >>
> >> As with many amplifier projects, various incarnations
> >> have appeared through the years in QST, Ham Radio
> >> (rip), CQ and other mags.
> >>
> >> The 4cx1000 first starts to appear in the late 50's
> >> via a product announcement and follow up QST
> >> project. I have that text on the http://sonic.ucdavis.edu
> >> server Amateur Radio Page.
> >>
> >> Others mentioned the Der Loudenboomer version,
> >> which I've seen, have but not "yet" posted on sonic.
> >> >From my previous requests about the Loudenboomer
> >> amps, I believe they were constructed with more than
> >> one type of tube. I'm not sure if the 4cx1000 was
> >> the most popular tube for the Loudenboomer?
> >>
> >> A few people have replied with many of the various
> >> 4cx1000 magazine article references. Again a big
> >> thank you. I'll pass this information along to Ralph
> >> (who asked me for help) and will scan and setup
> >> the paperwork for the located paperwork on sonic
> >> when received via mail later this week.
> >>
> >> best to everyone and thank you from myself and
> >> Ralph.
> >>
> >> cheers
> >> skipp
> >> nospam4me at juno.com
> >> http://sonic.ucdavis.edu
> >>
> >>
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