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1. [Amps] Newbie Question (score: 1): Author: Artek Manuals <Manuals@ArtekManuals.com>; Date: Mon, 8 Apr 2019 08:50:27 -0400; Hi gang I joined the lists primarily for help with my trusty but aging TL-922 Is there a way to search the ENTIRE archives at once without having to go through the archives month by month by month by; /archives//html/Amps/2019-04/msg00029.html (7,296 bytes)
2. [Amps] TL-922 FAN REPLACEMENT (score: 1): Author: Artek Manuals <Manuals@ArtekManuals.com>; Date: Wed, 10 Apr 2019 19:10:11 -0400; OK I searched the archives and though the question was asked a couple of times over the last two decades I did not see a direct answer to this question and what little info I did find is almost 10 y; /archives//html/Amps/2019-04/msg00031.html (8,444 bytes)
3. [Amps] FOLLOW UP DATA 0n TL-922 FAN REPLACEMENT (score: 1): Author: Artek Manuals <Manuals@ArtekManuals.com>; Date: Tue, 16 Apr 2019 21:06:29 -0400; OK as I feared apparently no one knows what the specs on the TL-922 fan are. Or has a 1:1 cross replacement for it. Lots of meaningful links to dozens of sources for "similar" fans with CFM rates fro; /archives//html/Amps/2019-04/msg00038.html (12,423 bytes)
4. [Amps] 3-500Z replacement sockets for TL922 (score: 1): Author: Artek Manuals <Manuals@ArtekManuals.com>; Date: Fri, 19 Apr 2019 11:38:09 -0400; Any FIRST HAND ( not a " friend of mine bought" or "I have heard" ) recommendations on replacement ceramic ( or otherwise) 3-500Z sockets for my TL922A? Mine have developed the previously reported hi; /archives//html/Amps/2019-04/msg00045.html (8,170 bytes)
5. [Amps] TL-922A Fan replacement found (score: 1): Author: Artek Manuals <Manuals@ArtekManuals.com>; Date: Mon, 29 Apr 2019 20:52:50 -0400; OK after a bit of sleuthing and help from the A/C repair guy next door who has a meter that measured the airflow I found two probable exact replacements for the fan in the TL-922A... Which suggested; /archives//html/Amps/2019-05/msg00003.html (8,391 bytes)
6. Re: [Amps] 3-500Z not lit (score: 1): Author: Artek Manuals <Manuals@ArtekManuals.com>; Date: Mon, 1 Jul 2019 09:23:12 -0400; This is becoming a common problem with older 3-500Z amplifiers. These tubes draw 15 amps of filament current. Over decades of operation the tube pins become quite warm and eventually the springs in t; /archives//html/Amps/2019-07/msg00002.html (9,702 bytes)
7. Re: [Amps] Tips For Winding a Plate Choke (score: 1): Author: Artek Manuals <Manuals@ArtekManuals.com>; Date: Thu, 10 Oct 2019 09:01:07 -0400; I believe you will find the US regulation is 200W PEP on 30M , according to the ARRL band plan cheat sheet I have, no difference in the context of this discussion however Dave NR1DX Thanks 73 Jim W7R; /archives//html/Amps/2019-10/msg00041.html (14,427 bytes)
8. Re: [Amps] The things that make you smile (score: 1): Author: Artek Manuals <Manuals@ArtekManuals.com>; Date: Fri, 25 Oct 2019 15:29:42 -0400; And the hardest part for most of us was finding a local parts store.... 8^( Don't get me wrong I have been sticking pins in the Radio Schlock doll for over 30 years for putting the little guys out of; /archives//html/Amps/2019-10/msg00076.html (9,347 bytes)
9. [Amps] KPA1500 Group? (score: 1): Author: Artek Manuals <Manuals@ArtekManuals.com>; Date: Fri, 25 Oct 2019 15:47:57 -0400; I know there is a Elecraft KPA500 group ..a quick search has not turned up a KPA1500 group. Anyone have a pointer to one? Dave NR1DX -- Dave Manuals@ArtekManuals.com www.ArtekManuals.com -- This emai; /archives//html/Amps/2019-10/msg00077.html (6,591 bytes)
10. [Amps] Keying spikes and the Kenwood TS990 (score: 1): Author: Artek Manuals <Manuals@ArtekManuals.com>; Date: Wed, 13 Nov 2019 21:40:36 -0500; This talk about the IC-706 keying spikes got me to wondering about my own TS990. Anyone know first hand what if any keying spikes come out of the TS990. Can I just look at the output with a direct; /archives//html/Amps/2019-11/msg00073.html (7,111 bytes)
11. Re: [Amps] SB-220 flash over in power supply (score: 1): Author: Artek Manuals <Manuals@ArtekManuals.com>; Date: Sat, 14 Dec 2019 06:13:27 -0500; Dave Long shot but your comment about it might be stray rf Struck a cord. 1) I would try the amp on 80M if you dont get the flash over then there then this adds credence to that theory. 2) A beefier; /archives//html/Amps/2019-12/msg00023.html (9,640 bytes)
12. Re: [Amps] Alpha on Life Support Again? (score: 1): Author: Artek Manuals <Manuals@ArtekManuals.com>; Date: Sat, 21 Dec 2019 12:12:17 -0500; I inquired when the 9500 would be shipping again back in Novemeber anhd what tube new production was shipping with. Below is the answer I got NR1DX ** Hello Dave, Sorry about the confusion on the we; /archives//html/Amps/2019-12/msg00043.html (8,665 bytes)
13. Re: [Amps] Alpha 9500 40v Power Supply (score: 1): Author: Artek Manuals <Manuals@ArtekManuals.com>; Date: Wed, 11 Mar 2020 16:59:53 -0400; Steve I am confused, I know there is a 40V supply line in the alpha A-9500 ( In the LV power supply board along with +/- 12V and a 24 volt line) but 40V at 50AMPs?????. I ve been inside my Alpha-9500; /archives//html/Amps/2020-03/msg00034.html (7,986 bytes)
14. Re: [Amps] Alpha 9500 40v Power Supply (score: 1): Author: Artek Manuals <Manuals@ArtekManuals.com>; Date: Wed, 11 Mar 2020 20:19:03 -0400; With the exception of the 5V supply all the supplies inside the A-9500 are custom generated on a PC board. The 5V supply is the exception being a stand alone OEM unit. Dave NR1DX Herb, KV4FZ Steve I; /archives//html/Amps/2020-03/msg00036.html (9,780 bytes)
15. Re: [Amps] TL-922 bottom bumper foot screw size (score: 1): Author: Artek Manuals <Manuals@ArtekManuals.com>; Date: Mon, 27 Apr 2020 21:26:23 -0400; I am pretty sure they are M5's the last time I went and bought a couple. If you have at least one ( the ones in back are the same) you can take it to Ace Hardware and they usually have a screw size d; /archives//html/Amps/2020-04/msg00022.html (7,758 bytes)
16. [Amps] SB220 Meter blown (score: 1): Author: Artek Manuals <Manuals@ArtekManuals.com>; Date: Fri, 15 May 2020 11:10:06 -0400; I am resurrecting a SB220 that had an apparent classic Grid/plate short event. One of casualties appears to be the right hand meter movement. This is the one for Grid Current and HV. I am pretty far; /archives//html/Amps/2020-05/msg00009.html (6,923 bytes)
17. Re: [Amps] SB220 Meter blown (score: 1): Author: Artek Manuals <Manuals@ArtekManuals.com>; Date: Fri, 15 May 2020 13:14:26 -0400; Comments below <I am resurrecting a SB220 that had an apparent classic Grid/plate short <event. One of casualties appears to be the right hand meter movement. <This is the one for Grid Current and HV; /archives//html/Amps/2020-05/msg00011.html (9,730 bytes)
18. Re: [Amps] SB220 Meter blown...follow up hope (score: 1): Author: Artek Manuals <Manuals@ArtekManuals.com>; Date: Fri, 15 May 2020 13:45:30 -0400; With nothing else to loose IT removed the meter and found that ther are TWO resistors inside. One is in parallel with the meter movement and the other is in series. Those both have been "toasted" a; /archives//html/Amps/2020-05/msg00012.html (10,929 bytes)
19. [Amps] Fuse holder surprise (score: 1): Author: Artek Manuals <Manuals@ArtekManuals.com>; Date: Tue, 2 Jun 2020 20:33:31 -0400; This is going to seen trivial to many of you but some times the most puzzling problem has the most simple solution, worth sharing. The " 60W-brick" ( an old Mirage C106) on the 220 "lets chase DX"-re; /archives//html/Amps/2020-06/msg00003.html (8,749 bytes)
20. [Amps] SB-220 6M conversion (score: 1): Author: Artek Manuals <Manuals@ArtekManuals.com>; Date: Fri, 5 Jun 2020 23:10:41 -0400; I have enough HF amps here (four at last count) One of them is an ancient SB-220 , so I thought what the heck I would "hack" it and turn it into a 6M single band. I have a folder full of articles on; /archives//html/Amps/2020-06/msg00010.html (9,137 bytes)

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