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1. Re: [Amps] Radio Kit Parts (score: 1): Author: "George Steube" <at6c@bellsouth.net>; Date: Tue, 14 Dec 2010 09:03:17 -0600; Guys, Where is the list(s) of parts? Thanks. George W2GS Sorry, the flathead stroker kits are all gone! The rest of the stuff plus what was on another list are soon to be mostly available under one r; /archives//html/Amps/2010-12/msg00154.html (10,251 bytes)
2. [Amps] 3cx1200a7 (score: 1): Author: "George Steube" <at6c@bellsouth.net>; Date: Tue, 15 Feb 2011 06:53:08 -0600; I was considering the purchase of a Henry amp using this tube and I seem to remember that replace are difficult to find. Are replacement available and where? Can the amp be converted to 8877s without; /archives//html/Amps/2011-02/msg00115.html (6,585 bytes)
3. [Amps] Alpha vs Henry (score: 1): Author: "George Steube" <at6c@bellsouth.net>; Date: Sun, 3 Apr 2011 06:58:15 -0500; Looking at purchasing an Alpha SX/DX or Henry 5K for my amp collection. Any advice/comments on these amps would be appreciated. My biggest concern with the Henry would be future tube replacement. Any; /archives//html/Amps/2011-04/msg00017.html (6,490 bytes)
4. Re: [Amps] re Palstar 1500 W auto tuner (score: 1): Author: "George Steube" <at6c@bellsouth.net>; Date: Tue, 5 Apr 2011 06:30:12 -0500; Fern, I use one, it has both balanced and unbalanced antenna connections. It works great I use it with a 43' vertical and on the low end of 40M were the SWR of my beam is higher than my solid state a; /archives//html/Amps/2011-04/msg00158.html (8,671 bytes)
5. [Amps] Commander HF 1250 (score: 1): Author: "George Steube" <at6c@bellsouth.net>; Date: Sun, 15 May 2011 17:49:44 -0500; The voltmeter on my HF 1250 stop working. I looked at the schematic and the amplifier and wow not the easiest to work on. The B+ voltage is fine at 2800 but no readings on the meter. Looking at schem; /archives//html/Amps/2011-05/msg00112.html (6,910 bytes)
6. [Amps] HF 1250 (score: 1): Author: "George Steube" <at6c@bellsouth.net>; Date: Mon, 16 May 2011 09:26:36 -0500; Thanks for the help on the HV meter problem, turned out to be an open resistor in the HV divider. While I am in here anyone know what antenna relay was used for QSK switching? Any recommendations? Th; /archives//html/Amps/2011-05/msg00130.html (6,753 bytes)
7. [Amps] FU728F Tubes (score: 1): Author: "George Steube" <at6c@bellsouth.net>; Date: Fri, 2 Sep 2011 07:51:37 -0500; Hi Hsu, I was the person interested in the FU728F tubes. I have sent you a couple of emails off list, but it seems not all have made it to you. My direct email is at6c@bellsouth.net. Please reply dir; /archives//html/Amps/2011-09/msg00002.html (6,465 bytes)
8. [Amps] 3cx800a7 Grid Current Problem (score: 1): Author: George Steube <at6c@bellsouth.net>; Date: Wed, 25 Jan 2012 19:20:17 -0600; Carl/Paul, There isn't a fix loading padder (Carl, I think you are referring to a capacitor pad for 160M correct me if I am wrong) in the HF 1250. There is a tapped ferrite transformer/coil that is s; /archives//html/Amps/2012-01/msg00192.html (8,492 bytes)
9. [Amps] HV Insulators (score: 1): Author: George <at6c@bellsouth.net>; Date: Sun, 14 Oct 2012 16:51:11 -0500; I need to replace a standoff ceramic insulator and since they seems to be a thing of the past I was looking for suitable replacement materials. Would nylon be acceptable for a 5KV HV supply. If not a; /archives//html/Amps/2012-10/msg00086.html (6,825 bytes)
10. [Amps] HV Insulators (score: 1): Author: George <at6c@bellsouth.net>; Date: Sun, 14 Oct 2012 18:23:44 -0500; I need to replace a ceramic insulator. Would nylon be an appropriate material in a 5KV supply circuit? 73, George W2GS _______________________________________________ Amps mailing list Amps@contestin; /archives//html/Amps/2012-10/msg00087.html (6,728 bytes)
11. Re: [Amps] 77Sx filter cap? Still need the Dahl internal (score: 1): Author: George <at6c@bellsouth.net>; Date: Mon, 15 Oct 2012 06:48:08 -0500; Hi Gary, I just happen to have my 77SX in pieces right now and it has an upgraded oil filled capacitor. The capacitor is 35mf at 5KV catalog # 12075 made by NWL Capacitors. I did an internet search a; /archives//html/Amps/2012-10/msg00090.html (8,106 bytes)
12. [Amps] Rf choke coil form (score: 1): Author: George <at6c@bellsouth.net>; Date: Thu, 31 Jan 2013 14:46:52 -0600; I need a recommendation for a material to use in a coil form for an RF choke. The existing choke is about 1.5" diameter by 4" long. I would like to use ceramic but I can't find anything in this size,; /archives//html/Amps/2013-02/msg00002.html (6,831 bytes)
13. [Amps] Ameritron band switch repair (score: 1): Author: George <at6c@bellsouth.net>; Date: Sun, 03 Feb 2013 16:07:15 -0600; A friend bought a used AL 1500 (from about 1999) and when we opened it up to install the transformer we noticed that one of the straps from the coil to the band switch was not connected to the band s; /archives//html/Amps/2013-02/msg00024.html (7,596 bytes)
14. Re: [Amps] 160M PI network Toroidal Coil (score: 1): Author: George <at6c@bellsouth.net>; Date: Sun, 06 Oct 2013 07:49:52 -0500; Hi Carl, What size wire would you recommend for a 1A supply? If there is a choice of where to insert the wire would you use it in the RF compartment or near the B+ supply? Would you recommend a glitc; /archives//html/Amps/2013-10/msg00069.html (12,620 bytes)
15. Re: [Amps] Alpha 77DX (score: 1): Author: George <at6c@bellsouth.net>; Date: Sun, 20 Oct 2013 19:33:55 -0500; Hi Dan, I have a 77SX and if you find a place to buy those switches let me know. I would not be comfortable using the amp without the switch unless I put a HV fuse in line with the B+ and probably a; /archives//html/Amps/2013-10/msg00367.html (8,871 bytes)
16. Re: [Amps] Commander HF-1250 problem (score: 1): Author: George <at6c@bellsouth.net>; Date: Tue, 19 Nov 2013 07:44:24 -0600; Hi Doug, I had a similar problem with an HF-1250. There is a solid state relay (I think there are two, been a while) mounted on the right hand side of the power supply compartment and it developed pr; /archives//html/Amps/2013-11/msg00371.html (8,638 bytes)
17. Re: [Amps] Commander HF-1250 problem (score: 1): Author: George <at6c@bellsouth.net>; Date: Wed, 20 Nov 2013 07:23:13 -0600; Doug, Mouser has all you can afford. 73, George W2GS On 11/19/2013 7:55 PM, doug ferguson wrote: Problem solved. The solid state relay that acts as inrush protection is bad. I bypassed it and it fire; /archives//html/Amps/2013-11/msg00390.html (8,448 bytes)
18. Re: [Amps] HF2500 Power Supply Caps (score: 1): Author: George <at6c@bellsouth.net>; Date: Sun, 06 Apr 2014 08:24:38 -0500; Ian and others, What size glitch resistor would you use in an Alpha 77SX with two tubes? 73, George W2GS On 4/6/2014 2:39 AM, Ian White wrote: Not all arcs happen ahead of the glitch resistor or the; /archives//html/Amps/2014-04/msg00067.html (10,002 bytes)
19. [Amps] HV Diodes (score: 1): Author: George <at6c@bellsouth.net>; Date: Tue, 07 Oct 2014 16:41:37 -0500; One of the HV6-1 diodes (made by K2AW) in my Alpha 77 SX failed this morning and I am looking for replacement recommendations. Does any one have four off the above diodes that they are willing to sel; /archives//html/Amps/2014-10/msg00020.html (6,452 bytes)
20. Re: [Amps] [Bulk] Re: Pride DX-300 (score: 1): Author: George <at6c@bellsouth.net>; Date: Thu, 19 Feb 2015 07:24:19 -0600; Don, Does the beam have the standard 1" boom or the high wind aerodynamic 1.5" boom..... 73, George W2GS I was looking at one amplifier, 301530993002, but had 2 tubes "250Bs" which I assume means 4CX; /archives//html/Amps/2015-02/msg00115.html (8,098 bytes)

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