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1. [Amps] AL-1200 Low High Voltage (HV) (score: 1): Author: John <aa6qn@aa6qn.sytes.net>; Date: Sun, 20 Aug 2006 07:06:36 -0700; Greetings to the list, I could use some SME input on the above topic. First some history; I purchased the amp from someone who was driving it with up to 200watts input. I was told the amp was modifie; /archives//html/Amps/2006-08/msg00567.html (9,034 bytes)
2. Re: [Amps] AL-1200 Low High Voltage (HV) (score: 1): Author: bob finger <finger@goeaston.net>; Date: Sun, 20 Aug 2006 10:17:01 -0400; Wow: You better quick figure this out and patent it. Gain like this ain't never been seen before. 73 bob de w9ge _______________________________________________ Amps mailing list Amps@contesting.com; /archives//html/Amps/2006-08/msg00568.html (7,568 bytes)
3. Re: [Amps] AL-1200 Low High Voltage (HV) (score: 1): Author: Don Havlicek <n8de@thepoint.net>; Date: Sun, 20 Aug 2006 10:23:44 -0400; <snip> WHOA !!!! ... VERY EFFICIENT AMP INDEED! WANNA SELL ME THIS CREATURE? Don N8DE _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com; /archives//html/Amps/2006-08/msg00569.html (7,957 bytes)
4. Re: [Amps] AL-1200 Low High Voltage (HV) (score: 1): Author: ValErwin@aol.com; Date: Sun, 20 Aug 2006 10:28:24 EDT; Who has Riley's number ?? ............WOW !! _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/amps; /archives//html/Amps/2006-08/msg00570.html (6,905 bytes)
5. Re: [Amps] AL-1200 Low High Voltage (HV) (score: 1): Author: "Tom W8JI" <w8ji@w8ji.com>; Date: Sun, 20 Aug 2006 10:50:52 -0400; If that is an original transformer, the meter is off. There is nothing that can make the HV actually be 3000 volts at idle without also causing a lot of heat and smoke. There is normally about 10% v; /archives//html/Amps/2006-08/msg00571.html (8,340 bytes)
6. Re: [Amps] AL-1200 Low High Voltage (HV) (score: 1): Author: aa6qn <aa6qn@aa6qn.sytes.net>; Date: Sun, 20 Aug 2006 15:38:18 -0700; Thank you for the feed back. It was 5am when I wrote the email, hi At least I created some smiles ;-) _______________________________________________ Amps mailing list Amps@contesting.com http://list; /archives//html/Amps/2006-08/msg00572.html (7,748 bytes)
7. Re: [Amps] AL-1200 Low High Voltage (HV) (score: 1): Author: "Will Matney" <craxd1@verizon.net>; Date: Sun, 20 Aug 2006 12:23:00 -0400; John, Check to see if an attenuator network has been added to the input or the tubes have been biased to cut them down. That sounds more like what would be done to increase the drive. Yea guys, I cau; /archives//html/Amps/2006-08/msg00573.html (10,568 bytes)
8. Re: [Amps] AL-1200 Low High Voltage (HV) (score: 1): Author: "Tom W8JI" <w8ji@w8ji.com>; Date: Mon, 21 Aug 2006 05:16:30 -0400; We should all hope no one would ever increase bias on the tube in a linear amplifier in order to reduce power gain! That would certainly be bad news. 73 Tom _________________________________________; /archives//html/Amps/2006-08/msg00575.html (7,720 bytes)
9. Re: [Amps] AL-1200 Low High Voltage (HV) (score: 1): Author: Gudguyham@aol.com; Date: Mon, 21 Aug 2006 07:27:49 EDT; Just for the record an Al-1200 with a good tube and normal plate voltage (about 3600V) could be a little higher with higher main voltage, the amp should produce about 1800 output with 100 watts drive; /archives//html/Amps/2006-08/msg00576.html (7,946 bytes)
10. Re: [Amps] AL-1200 Low High Voltage (HV) (score: 1): Author: Bill Turner <dezrat@copper.net>; Date: Mon, 21 Aug 2006 06:15:52 -0700; ORIGINAL MESSAGE: -- REPLY SEPARATOR -- FWIW, I could never get more than about 1300 watts out of my AL=1200 with 100 watts drive. I used two different transceivers and two different power meters. --; /archives//html/Amps/2006-08/msg00577.html (8,109 bytes)
11. Re: [Amps] AL-1200 Low High Voltage (HV) (score: 1): Author: Gudguyham@aol.com; Date: Tue, 22 Aug 2006 05:46:19 EDT; FWIW, I could never get more than about 1300 watts out of my AL=1200 with 100 watts drive. I used two different transceivers and two different power meters. -- Bill, W6WRT Bill, I have had MANY AL-12; /archives//html/Amps/2006-08/msg00588.html (9,423 bytes)
12. Re: [Amps] AL-1200 Low High Voltage (HV) (score: 1): Author: Bill Turner <dezrat@copper.net>; Date: Tue, 22 Aug 2006 08:44:48 -0700; ORIGINAL MESSAGE: -- REPLY SEPARATOR -- Good questions. If I still had the amp I would investigate further. It could be my line voltage was a bit low. It's been ten years so I don't remember for sure; /archives//html/Amps/2006-08/msg00595.html (10,040 bytes)

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