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Total 6 documents matching your query.

1. [Amps] Unknown amp (score: 1): Author: MIKE DURKIN <patriot121@msn.com>; Date: Sat, 7 Feb 2009 20:54:01 -0800; Ok .. thanks for the posting of pics help .. has any one seen this amp or have a good idea what band it was/is and its manual ( last one is a stretch i know) hope this works ... http://www.flickr.com; /archives//html/Amps/2009-02/msg00189.html (6,744 bytes)
2. Re: [Amps] Unknown amp (score: 1): Author: "Jim W7RY" <w7ry@arrl.net>; Date: Sat, 7 Feb 2009 22:15:21 -0800; Its a Motorola UHF amplifier. Uses 2ea 4CX250s. The SP number on it indicates a Special Product or Special Production item. Most SPs were for the government or military. It is part of a 250 watt UHF; /archives//html/Amps/2009-02/msg00193.html (8,465 bytes)
3. [Amps] Unknown amp (score: 1): Author: MIKE DURKIN <patriot121@msn.com>; Date: Sun, 8 Feb 2009 19:50:55 -0800; Well im not sure who suggested that i measure the tank circuit and related a link of an 2M AMP ... But it measures just under 7 inches from edge to edge of the plate thats mounted to the cathode of t; /archives//html/Amps/2009-02/msg00217.html (7,052 bytes)
4. [Amps] Unknown amp (score: 1): Author: MIKE DURKIN <patriot121@msn.com>; Date: Mon, 22 Feb 2010 06:34:21 -0800; Ok .. lets revisit this thing again ... with a new question ... http://www.flickr.com/photos/kc7noa/3261632257/ this is the input and im thinking that its a coaxial input ... and with that thought is; /archives//html/Amps/2010-02/msg00640.html (7,371 bytes)
5. Re: [Amps] Unknown amp (score: 1): Author: "Carl" <km1h@jeremy.mv.com>; Date: Mon, 22 Feb 2010 10:11:50 -0500; It could be 1/4 or 1/2 wave depending on frequency and the tubes internal and circuits distributed C. Most 144 and 220 amps were 1/4. On 432 they went to 1/2 or even 3/4 depending upon the designers; /archives//html/Amps/2010-02/msg00641.html (8,436 bytes)
6. Re: [Amps] Unknown amp (score: 1): Author: James Colville <jimw7ry@gmail.com>; Date: Mon, 22 Feb 2010 14:11:26 -0800; It's. A uhf Motorola amp 2x 4cx250. 450-470 MHz. It could be 1/4 or 1/2 wave depending on frequency and the tubes internal and circuits distributed C. Most 144 and 220 amps were 1/4. On 432 they went; /archives//html/Amps/2010-02/msg00661.html (7,818 bytes)

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