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Total 16 documents matching your query.

1. [Amps] Dx pedition amp ??? (score: 1): Author: "Josh" <xppq@ispwest.com>; Date: Wed, 1 Dec 2004 17:22:04 -0800; Any feedback , comments experience on LIGHTWEIGHT travel amp - The new MFJ ALS 600 with switching supply looks good RF deck 12.5 lbs and switching supply is 10 lbs - output 500w Is the switching supp; /archives//html/Amps/2004-12/msg00017.html (6,517 bytes)
2. Re: [Amps] Dx pedition amp ??? (score: 1): Author: n8de@thepoint.net; Date: Wed, 1 Dec 2004 21:19:00 -0500 (EST); IF you can find one, the Dentron MLA-1200 fits your needs quite nicely at 800 w CW output using a single 8875 tube and a separate power supply with total weight of about 45 pounds [most of the weight; /archives//html/Amps/2004-12/msg00018.html (7,745 bytes)
3. RE: [Amps] Dx pedition amp ??? (score: 1): Author: "Joe Subich, K4IK" <k4ik@subich.com>; Date: Wed, 1 Dec 2004 23:56:02 -0500; At 800 Watts CW output, you are seriously abusing that tube. The 8875 is rated for 300 watts plate dissipation, 800 W CW even in class C would be almost 400 watts of dissipation. Considering that the; /archives//html/Amps/2004-12/msg00020.html (7,500 bytes)
4. Re: [Amps] Dx pedition amp ??? (score: 1): Author: "Leigh S. Jones" <kr6x@kr6x.com>; Date: Wed, 1 Dec 2004 21:39:28 -0800; When I do the math I get different numbers. At the 66% plate efficiency that is often quoted as typical for class B linear operation, which frankly isn't pie-in-the-sky considering that 50% of the dr; /archives//html/Amps/2004-12/msg00021.html (8,821 bytes)
5. Re: [Amps] Dx pedition amp ??? (score: 1): Author: "Steve Thompson" <g8gsq@ic24.net>; Date: Thu, 2 Dec 2004 08:21:14 -0000; snip You can get a 600W broadband amp kit from CCI. The pcb is about 6 x 4". It needs harmonic filters, but I'm sure I've seen someone refer to a switched set you can buy if you don't want to build.; /archives//html/Amps/2004-12/msg00022.html (7,363 bytes)
6. Re: [Amps] Dx pedition amp ??? (score: 1): Author: Roger D Johnson <n1rj@adelphia.net>; Date: Thu, 02 Dec 2004 08:12:15 -0500; Josh wrote: Any feedback , comments experience on LIGHTWEIGHT travel amp - The new MFJ ALS 600 with switching supply looks good RF deck 12.5 lbs and switching supply is 10 lbs - output 500w Is the sw; /archives//html/Amps/2004-12/msg00023.html (8,078 bytes)
7. Re: [Amps] Dx pedition amp ??? (score: 1): Author: "Dr. William J. Schmidt, II" <bill@wjschmidt.com>; Date: Thu, 2 Dec 2004 07:59:07 -0600; Yeah... you are on the right track. An SGC power cube-like amp with a good (no noise) switching power supply might be a good answer Sincerely, Dr. William J. Schmidt, II K9HZ Trustee of the North Ame; /archives//html/Amps/2004-12/msg00024.html (10,189 bytes)
8. Re: [Amps] Dx pedition amp ??? (score: 1): Author: Roger D Johnson <n1rj@adelphia.net>; Date: Thu, 02 Dec 2004 09:05:34 -0500; Roger D Johnson wrote: Josh wrote: Any feedback , comments experience on LIGHTWEIGHT travel amp - The new MFJ ALS 600 with switching supply looks good RF deck 12.5 lbs and switching supply is 10 lbs; /archives//html/Amps/2004-12/msg00025.html (9,168 bytes)
9. Re: [Amps] Dx pedition amp ??? (score: 1): Author: jsb@digistar.com; Date: Thu, 2 Dec 2004 09:12:37 -0500 (EST); ACOM 1000 - it's one part but it's fairly "light" and will do a solid 1000W until the cows come home - and it works on every possible voltage you can throw at it, even handles bad generator power wit; /archives//html/Amps/2004-12/msg00026.html (7,940 bytes)
10. Re: [Amps] Dx pedition amp ??? (score: 1): Author: Bill Fuqua <wlfuqu00@uky.edu>; Date: Thu, 02 Dec 2004 09:15:34 -0500; There used to be. A guy was selling amps with a pair of 4CX250Bs and separate power supply some years ago at Dayton but I have not seen him lately. He used to have a web site but I can't recall what; /archives//html/Amps/2004-12/msg00027.html (9,861 bytes)
11. Re: [Amps] Dx pedition amp ??? (score: 1): Author: Roger D Johnson <n1rj@adelphia.net>; Date: Thu, 02 Dec 2004 10:01:09 -0500; It's an interesting thread. There are an increasing number of tetrode powered amps coming on line with spophisticated power and control circuitry. These "goof proof" amps are nice sitting at home on; /archives//html/Amps/2004-12/msg00028.html (8,703 bytes)
12. Re: [Amps] Dx pedition amp ??? (score: 1): Author: R.Measures <r@somis.org>; Date: Thu, 2 Dec 2004 07:32:23 -0800; On Dec 1, 2004, at 8:56 PM, Joe Subich, K4IK wrote: N8DE writes: IF you can find one, the Dentron MLA-1200 fits your needs quite nicely at 800 w CW output using a single 8875 tube and a separate powe; /archives//html/Amps/2004-12/msg00030.html (9,956 bytes)
13. Re: [Amps] Dx pedition amp ??? (score: 1): Author: R.Measures <r@somis.org>; Date: Thu, 2 Dec 2004 07:44:03 -0800; On Dec 2, 2004, at 7:01 AM, Roger D Johnson wrote: It's an interesting thread. There are an increasing number of tetrode powered amps coming on line with spophisticated power and control circuitry. T; /archives//html/Amps/2004-12/msg00031.html (8,978 bytes)
14. Re: [Amps] Dx pedition amp ??? (score: 1): Author: "Scott Manthe" <n9aa@arrl.net>; Date: Thu, 2 Dec 2004 12:22:22 -0600; Josh, The ALS-600 is an OK amp- no tune, solid-state, hard to destroy, relatively lightweight and it works pretty well. It would seem to fit your requirements quite well. The AL-811 or 811H are relat; /archives//html/Amps/2004-12/msg00032.html (8,366 bytes)
15. Re: [Amps] Dx pedition amp ??? (score: 1): Author: "Gary Smith" <wa6fgi@sbcglobal.net>; Date: Thu, 2 Dec 2004 11:16:59 -0800; Fwiw, I have had the MFJ4245 model 12v 40 amp power supply for over three years and have not heard any sounds out of it rf wise. It powers my icom 756 and Yaesu ft-7100 without so much as a blip at t; /archives//html/Amps/2004-12/msg00033.html (9,977 bytes)
16. Re: [Amps] Dx pedition amp ??? (score: 1): Author: Pete Smith <n4zr@contesting.com>; Date: Thu, 02 Dec 2004 14:28:08 -0500; I don't think anyone has mentioned the FinnFET amps. 9 kg for a 1KW amp plus power supply isn't too shabby. See <http://www.kunnallislehti.fi/finnfet/ff-1001>. A mere $4K, including travel case. 73,; /archives//html/Amps/2004-12/msg00034.html (10,928 bytes)

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