Re: {Collins} Collins 204F-1



Doug and the group,

I don't know anything about a 204F-1 but I do know about AN/URC-32.  It is the military nomenclature for a KWT-6, which has a pair of 7580W's in the final (mil equivalent of a 4CX250B).  Typical CW output is 600 Watts.  I used to repair these in the USN and have one now.

Brian Harris, WA5UEK

phone 214-763-5977

email cosmophone@xxxxxxxxx

website www.myhamshack.com/wa5uek



When they call the roll in the Senate, the Senators do not know whether to answer "present" or "not guilty."  Theodore Roosevelt

--- On Wed, 2/24/10, Douglas <sparks06524@xxxxxxxxx> wrote:

From: Douglas <sparks06524@xxxxxxxxx>
Subject: Re: {Collins} Collins 204F-1
To: "Richard White" <wd6hdy@xxxxxxx>
Cc: collins@xxxxxxxxxxxxx
Date: Wednesday, February 24, 2010, 1:36 AM

> From: Richard White <wd6hdy@xxxxxxx>
> Subject: {Collins} Collins 204F-1
> To: collins@xxxxxxxxxxxxx
> Date: Tuesday, February 23, 2010, 11:43 PM
> Can anyone identify this piece of
> Collins Gear.
> It stands about  4-6 Ft. tall
> It appears to be a transmitter or an amplifier.
> Thanks Richard V. White WD6HDY
> CCA member


If it's what I remember, from having one about 20 years ago, the 204F1 is the 2.5KW amplifier, made to be used with a rack mounted synthesized exciter. The combo was labeled the AN/URC-32 for military (primarily naval) use.

The amp has two fixed tune channels achieved by its having two complete output pi networks that can be instantly switched between two frequencies.

As I remember the finals consist of 2 - 4CX1000A's driven by 6146's.

It's quite an amp, both in terms of sze and the 2.5KW continuous output rating. Don't use RG-8X coax with it...
:-)

I think that the CCA website has a 1955 Collins catalog (ground equipment) that shows the 204F1.

Doug/WA1TUT
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