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1. [Amps] SB-220 Submerged (score: 1): Author: Bill Smith <ko4nrbs@yahoo.com>; Date: Wed, 3 Aug 2005 12:45:53 -0700 (PDT); Other than the obvious "dry it out" what should a guy do to get a SB-220 back on after having been submerged in a basement for over a week? A friend of mine was away when a very bad storm flooded his; /archives//html/Amps/2005-08/msg00059.html (6,873 bytes)
2. Re: [Amps] Transformer core shorted to secondary winding?? (score: 1): Author: Bill Smith <ko4nrbs@yahoo.com>; Date: Sun, 24 Jul 2005 06:25:02 -0700 (PDT); Unplugged diodes one at a time as suggested. Measured 1300vdc with one unplugged and zero volts with it plugged back in and the other one unplugged. The bleeder resisotr is too hot to lay your finger; /archives//html/Amps/2005-07/msg00298.html (12,411 bytes)
3. Re: [Amps] Transformer core shorted to secondary winding?? (score: 1): Author: Bill Smith <ko4nrbs@yahoo.com>; Date: Sun, 24 Jul 2005 04:33:30 -0700 (PDT); Grounded the CT as it was before at the swinging choke. The voltage at both ends of the secondary to the CT is a little of 1700vac. This is an old Heathkit HA-10 Warrior. The orginial problem was tha; /archives//html/Amps/2005-07/msg00292.html (11,874 bytes)
4. [Amps] Transformer core shorted to secondary winding?? (score: 1): Author: Bill Smith <ko4nrbs@yahoo.com>; Date: Sat, 23 Jul 2005 17:54:02 -0700 (PDT); Transformer is a 3400vac CT All Secondary leads lifted and using a HV Probe (Fluke 80K-40) CT to chassis- 843 volts One side of secondary to chassis- 2450 Other side of secondary to chassis- 863 No c; /archives//html/Amps/2005-07/msg00286.html (6,760 bytes)
5. [Amps] Heathkit HA-10 Warrior (score: 1): Author: Bill Smith <ko4nrbs@yahoo.com>; Date: Fri, 22 Jul 2005 06:55:21 -0700 (PDT); My old Warrior has developed a strange problem. The plate voltage is low, around 900vdc but sometimes slowly creeps up to 1200vdc. I checked the plate transformer and swinging choke(disconneted), and; /archives//html/Amps/2005-07/msg00255.html (7,074 bytes)
6. [Amps] Interesting 4CX800A/GU-74B Russian Project (score: 1): Author: Bill Smith <ko4nrbs@yahoo.com>; Date: Fri, 30 Apr 2004 05:06:29 -0700 (PDT); http://www.cqham.ru/ut2fw/amplifiers/amp_74-1_eng.htm 73, Bill == Bill Smith KO4NR __________________________________ Do you Yahoo!? Win a $20,000 Career Makeover at Yahoo! HotJobs http://hotjobs.swe; /archives//html/Amps/2004-05/msg00002.html (7,023 bytes)
7. [Amps] 6LQ6 Input Impedance (score: 1): Author: Bill Smith <ko4nrbs@yahoo.com>; Date: Sun, 15 Feb 2004 06:56:29 -0800 (PST); What is the input impedance of the 6LQ6? 73, Bill == Bill Smith KO4NR __________________________________ Do you Yahoo!? Yahoo! Finance: Get your refund fast by filing online. http://taxes.yahoo.com/f; /archives//html/Amps/2004-02/msg00118.html (6,727 bytes)
8. [Amps] Check out this military auction for EIMAC 4CX250B tubes (score: 1): Author: Bill Smith <ko4nrbs@yahoo.com>; Date: Thu, 12 Feb 2004 17:32:35 -0800 (PST); http://web.govliquidation.com/auction/view?id=327127 18 of them sold for $800.00. and here 9 sold for $135.00 http://web.govliquidation.com/auction/view?id=327128 All were in the same condition (A4).; /archives//html/Amps/2004-02/msg00093.html (6,815 bytes)
9. [Amps] Hi Pot tester at auction in York, PA (score: 1): Author: Bill Smith <ko4nrbs@yahoo.com>; Date: Wed, 11 Feb 2004 13:05:31 -0800 (PST); http://www.auctionmart.com/scripts/osa/OsAuction.dll?OsaScript=ViewPage&templateName=item_form.htx&itemNumber=508536 73, Bill == Bill Smith KO4NR __________________________________ Do you Yahoo!? Yah; /archives//html/Amps/2004-02/msg00084.html (7,089 bytes)
10. [Amps] ARRL Handbook Article Needed (score: 1): Author: Bill Smith <ko4nrbs@yahoo.com>; Date: Wed, 11 Feb 2004 05:40:34 -0800 (PST); Does anyone have a copy of this article? I want to build the Tow Tone Generator described in it using a FAR Circuits PC board. ARRL HB CHP25 FIG.51 (88-91) AND CHP25 FIG.39(>93) 73, Bill == Bill Smit; /archives//html/Amps/2004-02/msg00081.html (6,514 bytes)
11. [Amps] Cera-Mite Doorknob Capacitor (score: 1): Author: Bill Smith <ko4nrbs@yahoo.com>; Date: Thu, 15 Jan 2004 06:28:17 -0800 (PST); Anyone got the specifications for the Cera-Mite 715G doorknob capacitor? I was wondering if they would be suitable as plate blocking capacitors in my Swan mark 1 amplifier(2500vdc key down/2900vdc re; /archives//html/Amps/2004-01/msg00156.html (7,051 bytes)
12. [Amps] Swan Mark 1 Plate current fixed!! (score: 1): Author: Bill Smith <ko4nrbs@yahoo.com>; Date: Tue, 23 Dec 2003 13:30:55 -0800 (PST); The 1K ohm 1% resistor in the voltage divider had dropped to less than 450ohms for some reason. Replaced it and now all is well. The resting plate voltage as measured with a Fluke HV probe is 2950vdc; /archives//html/Amps/2003-12/msg00359.html (6,790 bytes)
13. [Amps] Swan Mark 1 Resting Plate Current (score: 1): Author: Bill Smith <ko4nrbs@yahoo.com>; Date: Mon, 22 Dec 2003 14:50:55 -0800 (PST); I replaced the transformer in my Swan Mark 1 with a new one built by Heyboer transformers. I had them increase the wire gauge in the HV and Filament windings by one size. Other than that it is the sa; /archives//html/Amps/2003-12/msg00344.html (7,086 bytes)
14. [Amps] Toroid Plate Transformers (score: 1): Author: Bill Smith <ko4nrbs@yahoo.com>; Date: Thu, 4 Dec 2003 07:05:45 -0800 (PST); Toroid Coprporation of Maryland will manufacture Toroid power transformers for Hams. I confirmed it by calling them. They will be more expensive than traditional transformers unless you buy more than; /archives//html/Amps/2003-12/msg00052.html (6,954 bytes)
15. [Amps] Thordarson Transformer in Mt. Carmel, Illinois (score: 1): Author: Bill Smith <ko4nrbs@yahoo.com>; Date: Mon, 1 Dec 2003 13:08:44 -0800 (PST); Has anyone had any recent experience with Thordarson Transformer company in Mt. Carmel, Illinois? They told me they are still in the transformer business. Their email is: xformerslinda@aol.com 73, Bi; /archives//html/Amps/2003-12/msg00017.html (7,065 bytes)
16. [Amps] Amp Supply LA-1000 tuned input (score: 1): Author: Bill Smith <ko4nrbs@yahoo.com>; Date: Wed, 29 Oct 2003 12:28:23 -0800 (PST); What size toroid cores did they use on the board and what was the part number of the relay? 73, Bill == Bill Smith KO4NR __________________________________ Do you Yahoo!? Exclusive Video Premiere - B; /archives//html/Amps/2003-10/msg00285.html (6,882 bytes)
17. [Amps] Tuned Input Trimmer Capacitors (score: 1): Author: Bill Smith <ko4nrbs@yahoo.com>; Date: Mon, 27 Oct 2003 12:21:15 -0800 (PST); Why not use the correct ARCO ceramic trimmer for tuned input Cin and Cout instead of silver mica capacitors? ARCO supplies ceramic trimmers of many different ranges and voltage ratings. Would make ad; /archives//html/Amps/2003-10/msg00254.html (6,987 bytes)
18. [Amps] Tuned Input and the MFJ-259B (score: 1): Author: Bill Smith <ko4nrbs@yahoo.com>; Date: Thu, 23 Oct 2003 17:20:42 -0700 (PDT); I am using a MFJ-259B to tune up my Tuned Input circuits. I know to go for 1:1 SWR or as close as I can get it and 50 ohms of resistance(Rs). How about Xs? What value am I shooting for? 73, Bill == B; /archives//html/Amps/2003-10/msg00218.html (6,958 bytes)
19. [Amps] Tuned Input Lead length (score: 1): Author: Bill Smith <ko4nrbs@yahoo.com>; Date: Tue, 14 Oct 2003 09:38:35 -0700 (PDT); I am installing a homebrew relay switched tuned input in my Swan Mark 1. I know it is a good practice to keep the coax lengths between the cathodes and the tuned input as short as possible. What woul; /archives//html/Amps/2003-10/msg00125.html (7,021 bytes)
20. [Amps] Swan Mark 1 Meter Repair (score: 1): Author: Bill Smith <ko4nrbs@yahoo.com>; Date: Sat, 20 Sep 2003 05:37:06 -0700 (PDT); Is there anyone out there who can repair the meter on my Swan Mark 1 amplifier? 73, Bill == Bill Smith KO4NR __________________________________ Do you Yahoo!? Yahoo! SiteBuilder - Free, easy-to-use w; /archives//html/Amps/2003-09/msg00175.html (6,785 bytes)

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