Harvey RK20 1934 50W CW 15W Phone (screen modulated) stand alone amp.
Probably a few more obscure and earlier.
----- Original Message -----
From: "Gerald D'Entremont" <w5ba@compuserve.com>
To: "Bill Smith" <ko4nrbs@yahoo.com>; <amps@contesting.com>
Sent: Wednesday, June 26, 2002 4:24 PM
Subject: Re: [Amps] Earliest Commercial Amateur Linear Amplifier
> Bill,
>
> I'll go out on the limb here and say one of the earliest "stand-alone"
> 'RF Power Amplifiers' might had to have been the Millen 90881.
> 812A good for 500w as advertised in the back of the '54 Handbook.
> The earliest 'full gallon' might had to have been the Johnson
> "Desk Kilowatt" 'introduced' in a double-page ad in Jan. '55 QST.
>
> 73, Gerald W5BA w5ba@compuserve.com
>
> ----- Original Message -----
> From: Bill Smith <ko4nrbs@yahoo.com>
> To: <amps@contesting.com>
> Sent: Wednesday, June 26, 2002 10:40 AM
> Subject: [Amps] Earliest Commercial Amateur Linear Amplifier
>
>
> >
> > Being somewhat of a history buff I was wondering if
> > anyone had a line on what the earliest Commercial
> > Amateur Linear Amplifier was?
> > 73,
> > Bill
> >
> > =====
> > Bill Smith KO4NR
> >
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