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1. [Amps] Different amp recommendations (score: 1): Author: John Simmons <jasimmons@pinewooddata.com>; Date: Sun, 05 Feb 2012 13:31:32 -0600; Gang, I'm currently using a venerable Henry 2k-2 which runs a pair of 3-400s. The amp works well 80-10, putting out nearly 1500 watts with 100 watts drive from my K3. I'm thinking of a different amp,; /archives//html/Amps/2012-02/msg00025.html (7,350 bytes)
2. Re: [Amps] Different amp recommendations (score: 1): Author: Dan Hearn <n5ardxcc@gmail.com>; Date: Sun, 5 Feb 2012 12:28:47 -0800; John: I would keep in mind a couple of things. 1. Does it use instant warm up tubes like your present amp or do you have to wait 3 minutes to use it ? 2. Are parts, including tubes , easily available; /archives//html/Amps/2012-02/msg00028.html (8,458 bytes)
3. Re: [Amps] Different amp recommendations (score: 1): Author: "Gary Smith" <wa6fgi@sbcglobal.net>; Date: Mon, 6 Feb 2012 08:42:00 -0800; Ameritron AL-82. Old design that works well, does legal and change, parts tubes are still available. Imho, they are so good they are a rarity on the used market. 73, Gary...wa6fgi Gang, I'm currently; /archives//html/Amps/2012-02/msg00041.html (8,194 bytes)
4. Re: [Amps] Different amp recommendations (score: 1): Author: Rob Atkinson <ranchorobbo@gmail.com>; Date: Mon, 6 Feb 2012 11:47:42 -0600; I have doubts about the AL82 doing 1500 watts 100% duty cycle for very long. Knowing the p.s. in that amp you'll be right at its limit, right at the Ip limit of the tubes, right at or a bit above the; /archives//html/Amps/2012-02/msg00042.html (7,828 bytes)
5. Re: [Amps] Different amp recommendations (score: 1): Author: "Carl" <km1h@jeremy.mv.com>; Date: Mon, 6 Feb 2012 15:25:34 -0500; Maybe its due to poor sales and lots of Chinese tube failures. I used to get them in here regularly for IED events but very few the past 2 or so years. Ameritron in general has been having lots of QC; /archives//html/Amps/2012-02/msg00047.html (10,067 bytes)
6. Re: [Amps] Different amp recommendations (score: 1): Author: Charlie Young <weeksmgr@hotmail.com>; Date: Mon, 6 Feb 2012 15:35:50 -0600; I have two AL-82 amplifiers, plus an Alpha 77DX, an AL-1500 and an assortment of other amplifiers. The one I use 90% of the time is the AL-82, precisely because it takes a licking and keeps on tickin; /archives//html/Amps/2012-02/msg00050.html (10,543 bytes)
7. Re: [Amps] Different amp recommendations (score: 1): Author: Rob Atkinson <ranchorobbo@gmail.com>; Date: Mon, 6 Feb 2012 18:45:10 -0600; Not looking for an argument, but nothing you have written has unsubstantiated what I posted. As I wrote earlier, the factor is transmit time. someone wrote that Ameritron says 1.5 KW with that amp fo; /archives//html/Amps/2012-02/msg00052.html (10,544 bytes)
8. Re: [Amps] Different amp recommendations (score: 1): Author: Charlie Young <weeksmgr@hotmail.com>; Date: Mon, 6 Feb 2012 19:33:37 -0600; Hi Rob: The point of my post was not to dispute your points. Sorry if that seemed to be the case. If the goal is to put 1.5 KW key down for 30 minutes into a dummy load to prove how robust one's ampl; /archives//html/Amps/2012-02/msg00053.html (13,335 bytes)
9. [Amps] Different amp recommendations (score: 1): Author: "Jim Thomson" <jim.thom@telus.net>; Date: Tue, 7 Feb 2012 22:29:23 -0800; I have doubts about the AL82 doing 1500 watts 100% duty cycle for very long. Knowing the p.s. in that amp you'll be right at its limit, right at the Ip limit of the tubes, right at or a bit above the; /archives//html/Amps/2012-02/msg00056.html (9,763 bytes)
10. Re: [Amps] Different amp recommendations (score: 1): Author: "Carl" <km1h@jeremy.mv.com>; Date: Wed, 8 Feb 2012 09:21:48 -0500; out its held up rather well over the decades. I wonder what Ameritron uses for the custom 2 holer AL-1500's? Carl _______________________________________________ Amps mailing list Amps@contesting.com; /archives//html/Amps/2012-02/msg00057.html (11,187 bytes)
11. Re: [Amps] Different amp recommendations (score: 1): Author: Rich <w9cin@comcast.net>; Date: Wed, 08 Feb 2012 09:46:15 -0600; I have owned many of the AL-82, Al-1200, AL-1500 series amps,, they all use the same power supply and the same tank ckt. did many tests on long time, high output . and found the amp is very good, for; /archives//html/Amps/2012-02/msg00058.html (11,566 bytes)
12. Re: [Amps] Different amp recommendations (score: 1): Author: Richard Solomon <dickw1ksz@gmail.com>; Date: Wed, 8 Feb 2012 08:59:11 -0700; So, all this talk begs the question .... What is available in the Ham Market that will do 1.5 KW for any length of time. I expect if such an animal existed, they would be selling a bunch of them. 73,; /archives//html/Amps/2012-02/msg00059.html (13,034 bytes)
13. Re: [Amps] Different amp recommendations (score: 1): Author: "Roger (K8RI)" <k8ri@rogerhalstead.com>; Date: Wed, 08 Feb 2012 15:42:57 -0500; There are a number of them. Emtron from Australia, Acom from Europe are two. I can run the legal limit on SSB for long winded rag chews and the tank doesn't even get hot. OTOH the tank coil is much l; /archives//html/Amps/2012-02/msg00060.html (8,886 bytes)
14. Re: [Amps] Different amp recommendations (score: 1): Author: "Carl" <km1h@jeremy.mv.com>; Date: Wed, 8 Feb 2012 16:14:12 -0500; Check Palstar and QRO, dont know what their specs are but a 3 holer "export" model should do it. Carl KM1H. So, all this talk begs the question .... What is available in the Ham Market that will do 1; /archives//html/Amps/2012-02/msg00061.html (13,714 bytes)
15. [Amps] Different amp recommendations (score: 1): Author: "Jim Thomson" <jim.thom@telus.net>; Date: Thu, 9 Feb 2012 07:23:41 -0800; Check Palstar and QRO, dont know what their specs are but a 3 holer "export" model should do it. Carl KM1H. it uses the same HV supply ! It will do 3.5 kw out, but the xfmr is maxed to the peg, and t; /archives//html/Amps/2012-02/msg00073.html (9,432 bytes)
16. Re: [Amps] Different amp recommendations (score: 1): Author: "Carl" <km1h@jeremy.mv.com>; Date: Thu, 9 Feb 2012 11:24:53 -0500; ** On paper but thats "negotiable". As far as power, if you keep it at 1500W in the high duty cycle modes the tubes are running very conservative=long life. Anybody using those tubes is advised to ha; /archives//html/Amps/2012-02/msg00075.html (10,677 bytes)
17. Re: [Amps] Different amp recommendations (score: 1): Author: "Peter Voelpel" <df3kv@t-online.de>; Date: Thu, 9 Feb 2012 18:17:41 +0100; Sure, but nobody will be so stupid to let it idle without doing a transmission, so what? 73 Peter, DJ7WW thing sucks 675 ma on idle = blast furnace. 225 ma per tube. [450 ma for the 2 x holer]. _____; /archives//html/Amps/2012-02/msg00078.html (8,294 bytes)
18. Re: [Amps] Different amp recommendations (score: 1): Author: Rob Atkinson <ranchorobbo@gmail.com>; Date: Thu, 9 Feb 2012 12:13:53 -0600; If you really want BUILT and you don't want to deal with getting around the export only thing and you don't want to spend the ridiculous dollars for an old Alpha dual 8877 or 8K and you don't want to; /archives//html/Amps/2012-02/msg00079.html (10,357 bytes)
19. Re: [Amps] Different amp recommendations (score: 1): Author: "Carl" <km1h@jeremy.mv.com>; Date: Thu, 9 Feb 2012 14:55:44 -0500; And more like 50% with the processor on in normal use and even more in contests. Its even worse with those idiotic "Super Modulation" rigs and amps a few think are neat for AM......visions of CB! Ca; /archives//html/Amps/2012-02/msg00080.html (9,099 bytes)
20. Re: [Amps] Different amp recommendations (score: 1): Author: "Roger (K8RI)" <k8ri@rogerhalstead.com>; Date: Thu, 09 Feb 2012 15:06:30 -0500; My voice takes a little processing, *very little processing* other wise it sounds harsh because it has a very high peak to average, but it probably puts the duty cycle at 30% or less where most voice; /archives//html/Amps/2012-02/msg00081.html (9,897 bytes)

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