The descriptions fits in on the Collins 204H-1 servo-tuned amplifier.
It is the servo-tuned "brother" of the two-channel 204F-1 which appears to be
more common.
Pictures of both amplifiers can seen in the document
http://www.collinsradio.org/Collins_1959_HF-VHF_Ground.pdf
(large)
73/
Karl-Arne
SM0AOM
----- Original Message -----
From: "w9ge" <finger@goeaston.net>
To: <amps@contesting.com>
Sent: Tuesday, September 28, 2004 2:00 AM
Subject: [Amps] help with Collins amp ID
> Can anyone shed any light on a Collins auto tune amplifier, made for the Air
> Force? Looks to be about 2-32 Mhz.
>
> This baby appears to weigh about 600 pounds, runs a pair of 4cx1000a's (sorry
> Rich, no handles) and has a tube driver stage. Vacuum rectifiers (probably
> 3B28's but not sure) and 4 oil filled caps in power supply. I did not see a
> modulation transformer, but it was not a very close inspection. A single 19
> inch wide by 6 foot rack, maybe 20 inches deep.
>
> Data on the plate is: Collins Radio, AM-2104(XW-1)/GR, Part 522-1452-005,
> Contract AF30(635)4504. It has a single digit serial number.
>
> A search of the web has not turned up anything. I very much appreciate any
> anecdotal info or data available. 73 bob de w9ge
>
>
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