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Total 40 documents matching your query.

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. [Amps] Henry 2K-2 (score: 1)
Author: John Simmons <jasimmons@pinewooddata.com>
Date: Tue, 04 Sep 2012 18:50:46 -0500
My amp works great except the multimeter (left side) doesn't work. After take the front panel off (try finding Bristol wrenches at the hardware store!) I find the meter movement is open :(. Anyone ha
/archives//html/Amps/2012-09/msg00037.html (6,481 bytes)

3. [Amps] Best Alpha amp (score: 1)
Author: John Simmons <jasimmons@pinewooddata.com>
Date: Fri, 16 Nov 2012 12:06:33 -0600
I'm looking to buy a used manual tune amp. RF Concepts is selling 89s at a reasonable price. What do you think of this model? Tube replacement is always a question with cost and availability in the f
/archives//html/Amps/2012-11/msg00110.html (7,030 bytes)

4. [Amps] Henry 2K-2 multimeter (score: 1)
Author: "John Simmons" <jasimmons@pinewooddata.com>
Date: Fri, 29 Mar 2013 21:25:28 +0000
Does anyone know the coil resistance of this meter? I have to replace one with an open coil. 73, John NI0K _______________________________________________ Amps mailing list Amps@contesting.com http:/
/archives//html/Amps/2013-03/msg00363.html (6,583 bytes)

5. Re: [Amps] Time for New Power Meter (score: 1)
Author: John Simmons <jasimmons@pinewooddata.com>
Date: Sat, 02 May 2015 07:47:20 -0500
I worked 27 years at a Motorola Service Shop. We had about 8 Bird wattmeters. NONE of them agreed with each other.... and more than 5%! Measuring RF power accurately is very difficult. Have you ever
/archives//html/Amps/2015-05/msg00009.html (11,808 bytes)

6. [Amps] Henry 2K-2 (score: 1)
Author: John Simmons <jasimmons@pinewooddata.com>
Date: Tue, 09 Feb 2016 14:50:31 -0600
I have a nice 2K-2 which has low-hour tubes and plays very well. I am planning on selling it, but the left (multimeter) meter has an open coil. An exact replacement is not available. What do you guys
/archives//html/Amps/2016-02/msg00038.html (7,046 bytes)

7. [Amps] Anybody remember... KW mobile amp installation (score: 1)
Author: John Simmons <jasimmons@pinewooddata.com>
Date: Fri, 10 Jun 2016 16:01:05 -0500
I am searching for a copy of an article from (my memory says) the early 1960s. It was either in QST or CQ magazine, and depicted a station wagon with a KW tube amp. The amp was a console job, mounted
/archives//html/Amps/2016-06/msg00029.html (7,684 bytes)

8. [Amps] SS amps watercooling - was PowerGenius XL (score: 1)
Author: John Simmons <jasimmons@pinewooddata.com>
Date: Tue, 14 Feb 2017 19:04:02 -0600
I'm in the planning stages of a solid state amp. I am considering water cooling... looking for pointers on design ideas, parts suggestions, etc. 73, John NI0K Roger (K8RI) <mailto:k8ri@rogerhalstead.
/archives//html/Amps/2017-02/msg00092.html (8,229 bytes)

9. Re: [Amps] SS amps watercooling - was PowerGenius XL (score: 1)
Author: John Simmons <jasimmons@pinewooddata.com>
Date: Fri, 17 Feb 2017 14:00:52 -0600
The PC industry has tons of watercooling stuff for use around electronics, but I haven't found a resource on how much heat the various sized radiators will transfer. As others have pointed out, I'll
/archives//html/Amps/2017-02/msg00126.html (13,672 bytes)

10. [Amps] Henry 2K-2 for sale (score: 1)
Author: John Simmons <jasimmons@pinewooddata.com>
Date: Sat, 01 Apr 2017 12:09:54 -0500
A Beautiful Henry 2K-2 floor console 80, 75, 40, 20, 15 and 10 meter linear amp for sale. Cosmetically 9/10, operationally 10/10. See my YouTube video:https://youtu.be/w4oQr4cZvmo that shows 1400 wat
/archives//html/Amps/2017-04/msg00004.html (7,296 bytes)

11. [Amps] How to build your next tube amp (score: 1)
Author: John Simmons <jasimmons@pinewooddata.com>
Date: Sun, 09 Apr 2017 12:29:28 -0500
WLW's 500,000 Watt Transmitter https://youtu.be/CbHjcwIoTiY 73, John NI0K -- This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus _____________________
/archives//html/Amps/2017-04/msg00023.html (6,555 bytes)

12. Re: [Amps] HF power divider (and combiner) (score: 1)
Author: Pinewood Data <jasimmons@pinewooddata.com>
Date: Mon, 17 Apr 2017 12:18:04 -0600
Two other sources: w6pql.com eb104.ru I have purchased items from both sources. Both respond quickly to inquiries. Ymmv 73, -John NI0K _______________________________________________ Amps mailing lis
/archives//html/Amps/2017-04/msg00131.html (7,476 bytes)

13. [Amps] For Sale Henry 2K-2 (score: 1)
Author: John Simmons <jasimmons@pinewooddata.com>
Date: Sun, 23 Apr 2017 10:37:31 -0500
Here's a low cost per watt: Henry 2K-2 floor console. Wanna see? Click: https://www.youtube.com/watch?v=w4oQr4cZvmo * 1000+ watts OUTPUT * Instant on * 80-10 * Resettable TUNE and LOAD... refer to ch
/archives//html/Amps/2017-04/msg00218.html (6,985 bytes)

14. Re: [Amps] 1.3K-FA (score: 1)
Author: John Simmons <jasimmons@pinewooddata.com>
Date: Fri, 05 May 2017 11:44:09 -0500
See: http://w6pql.com/parts_i_can_provide.htm about 2/3 down the page, "**HF, VHF and UHF input attenuators for LDMOS amplifiers", **Then "Click here for additional info" Jim's boards are very nicely
/archives//html/Amps/2017-05/msg00065.html (8,058 bytes)

15. Re: [Amps] Alpha 87 (not 87A) (score: 1)
Author: John Simmons <jasimmons@pinewooddata.com>
Date: Tue, 07 Nov 2017 17:14:46 -0600
The LP500 from Telepost (www.telepostinc.com) is such a device. -John NI0k MU 4CX250B <mailto:4cx250b@miamioh.edu> Tuesday, November 07, 2017 2:35 PM Id hazard a guess that most of the SSB splatter o
/archives//html/Amps/2017-11/msg00058.html (12,139 bytes)

16. Re: [Amps] Henry 2K-3 amp restore (score: 1)
Author: John Simmons <jasimmons@pinewooddata.com>
Date: Mon, 13 Nov 2017 07:25:22 -0600
There may be a pot to calibrate the HV meter. The pot may be dirty or need replacement. Or it could be a sticky meter movement. 73, -John NI0K Jim W7RY <mailto:jimw7ry@gmail.com> Sunday, November 12,
/archives//html/Amps/2017-11/msg00135.html (12,927 bytes)

17. Re: [Amps] Need Fan for amp (score: 1)
Author: John Simmons <jasimmons@pinewooddata.com>
Date: Thu, 11 Jan 2018 14:11:15 -0600
Look for a number on the fan and do an internet search for the number. If it is a muffin-style fan you will likely find an exact replacement. 73, -John NI0K john shea <mailto:w3khg@triad.rr.com> Tues
/archives//html/Amps/2018-01/msg00065.html (8,185 bytes)

18. Re: [Amps] Sad State of the Hobby (score: 1)
Author: John Simmons <jasimmons@pinewooddata.com>
Date: Fri, 19 Jan 2018 11:13:19 -0600
I am in the process of building an amp from Jim's kits. The boards and kitting are very good, and he replys to emails right away. I am happy to correspond with anyone also building Jim's stuff. 73, -
/archives//html/Amps/2018-01/msg00088.html (14,189 bytes)

19. Re: [Amps] Sad State of the Hobby (score: 1)
Author: John Simmons <jasimmons@pinewooddata.com>
Date: Fri, 19 Jan 2018 12:24:45 -0600
No Do the kits include finished sheet metal? I no longer have facilities for producing cabinets and chassis. 73, Frank KF6E 73, -John NI0K _______________________________________________ Amps mailing
/archives//html/Amps/2018-01/msg00094.html (15,688 bytes)

20. Re: [Amps] Sad State of the Hobby (score: 1)
Author: John Simmons <jasimmons@pinewooddata.com>
Date: Sat, 20 Jan 2018 08:46:41 -0600
Lee and others: Some websites: https://www.qrz.com/db/kf8od, https://www.youtube.com/user/KF8OD1,http://www.w6pql.com/, https://www.youtube.com/channel/UCtFbvWjEMQByLnvxUly5XvQ, https://eb104.ru/ KG0
/archives//html/Amps/2018-01/msg00112.html (14,671 bytes)

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