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241. Re: [Amps] Ameritron Amps (score: 1): Author: Gudguyham@aol.com; Date: Sat, 29 Jul 2006 20:58:05 EDT; Rich, I wish I could but I'm strapped for cash. I just invested heavily in Nichrome-80 ribbon. Cheers, Ken W2DTC CHORTLE _______________________________________________ Amps mailing list Amps@contest; /archives//html/Amps/2006-07/msg01334.html (7,801 bytes)
242. Re: [Amps] Ameritron Amps (score: 1): Author: Gudguyham@aol.com; Date: Sun, 30 Jul 2006 06:53:42 EDT; The only amplifier design influenced by Richard Measures sold a grand total somewhere around 50-100 amplifiers before going belly up, and during its life had just as many field failures from arcing a; /archives//html/Amps/2006-07/msg01361.html (8,168 bytes)
243. Re: [Amps] Ameritron Amps (score: 1): Author: Gudguyham@aol.com; Date: Sun, 30 Jul 2006 11:22:17 EDT; When the Chinese were making 3-500Z tubes with regular glass and holes were sucking in the sides, Rich concluded it was a VHF parasitic that couldn't be seen or measured. This VHF oscillation suppose; /archives//html/Amps/2006-07/msg01385.html (7,979 bytes)
244. Re: [Amps] Ameritron Amps (score: 1): Author: Gudguyham@aol.com; Date: Sun, 30 Jul 2006 11:25:58 EDT; Point taken, made my day! :-) 73, Bill W6WRT ________________________ You see Bill, we DO NOT speak English, we speak American. In the UK our language is not considered English. A Portuguese guy once; /archives//html/Amps/2006-07/msg01386.html (7,773 bytes)
245. Re: [Amps] Ameritron Amps (score: 1): Author: Gudguyham@aol.com; Date: Tue, 1 Aug 2006 03:12:01 EDT; The best capacitor in the world would have failed the same way with bad resistors. Don't blame the capacitor when everyone else (including your buddy and whoever was helping him) didn't do what commo; /archives//html/Amps/2006-08/msg00001.html (6,831 bytes)
246. Re: [Amps] AL811, AL811H or AL572 mods to 6m (score: 1): Author: Gudguyham@aol.com; Date: Wed, 2 Aug 2006 18:13:03 EDT; That deals nicely with the output side. But 811s and 572s have very long grid leads, which make them awful bloody things at 30, let alone 50MHz. So personally, I wouldn't touch them with a barge pole; /archives//html/Amps/2006-08/msg00056.html (8,790 bytes)
247. Re: [Amps] AL811, AL811H or AL572 mods to 6m (score: 1): Author: Gudguyham@aol.com; Date: Thu, 3 Aug 2006 05:50:45 EDT; 6 meters< How efficient, and what IMD? 73 Peter G3RZP _____________________________________________________________________________ 100 watts drive to make the 700 watts out. This is the same paramet; /archives//html/Amps/2006-08/msg00078.html (8,403 bytes)
248. Re: [Amps] The HV PS unit and PA without HV transformer. (score: 1): Author: Gudguyham@aol.com; Date: Fri, 4 Aug 2006 01:31:58 EDT; There are two type without HV transformer PA: http://ra3ggi.qrz.ru/LAMP/4.htm ;http://ra3ggi.qrz.ru/LAMP/1.htm and 3000V PS unit without HV transformer too: http://ra3ggi.qrz.ru/LAMP/rd1333.htm Very; /archives//html/Amps/2006-08/msg00130.html (7,491 bytes)
249. Re: [Amps] GS-35B on 6 meters (score: 1): Author: Gudguyham@aol.com; Date: Fri, 4 Aug 2006 14:25:41 EDT; What kind of gain can I reasonably expect from a GS-35B on 6 meters at anode voltages less then 4 KV? The info I have found on the web is sketchy and inconsistant. Most builders seem to avoid the iss; /archives//html/Amps/2006-08/msg00146.html (7,168 bytes)
250. Re: [Amps] GS-35B on 6M (score: 1): Author: Gudguyham@aol.com; Date: Sat, 5 Aug 2006 09:59:24 EDT; So far several responses have NOT EVEN addressed the question. What about my response? _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.co; /archives//html/Amps/2006-08/msg00182.html (6,845 bytes)
251. [Amps] SELL: EIMAC SK-416 CHIMNEY FOR 3-400Z (score: 1): Author: Gudguyham@aol.com; Date: Sat, 12 Aug 2006 12:04:21 EDT; Offering for sale a perfect condition (like new) Eimac SK-416 chimney for 3-400Z/8163 tube. Great to keep as a spare or for replacement of that one that has a crack in it. $55.00 plus shipping Thanks; /archives//html/Amps/2006-08/msg00442.html (6,765 bytes)
252. Re: [Amps] Checking for IMD (score: 1): Author: Gudguyham@aol.com; Date: Tue, 15 Aug 2006 09:23:51 EDT; Years ago, a friend of mine hooked up a $27,000 Tektronix SA to a 4 element beam and made a qso on 20 meter cw. Only problem was keying it - he had to insert the key in the antenna line. 73, Colin K7; /archives//html/Amps/2006-08/msg00506.html (7,979 bytes)
253. Re: [Amps] AL-1200 Low High Voltage (HV) (score: 1): Author: Gudguyham@aol.com; Date: Mon, 21 Aug 2006 07:27:49 EDT; Just for the record an Al-1200 with a good tube and normal plate voltage (about 3600V) could be a little higher with higher main voltage, the amp should produce about 1800 output with 100 watts drive; /archives//html/Amps/2006-08/msg00576.html (7,946 bytes)
254. Re: [Amps] AL-1200 Low High Voltage (HV) (score: 1): Author: Gudguyham@aol.com; Date: Tue, 22 Aug 2006 05:46:19 EDT; FWIW, I could never get more than about 1300 watts out of my AL=1200 with 100 watts drive. I used two different transceivers and two different power meters. -- Bill, W6WRT Bill, I have had MANY AL-12; /archives//html/Amps/2006-08/msg00588.html (9,423 bytes)
255. Re: [Amps] TL-922 question (score: 1): Author: Gudguyham@aol.com; Date: Tue, 29 Aug 2006 05:31:28 EDT; would like to get the tuning back in range. Could any mods have had this effect? Is it worth trying to add to the padder caps? It could be that a present padder cap has opened up and you are not gett; /archives//html/Amps/2006-08/msg00756.html (6,747 bytes)
256. Re: [Amps] TL-922 question (score: 1): Author: Gudguyham@aol.com; Date: Tue, 29 Aug 2006 06:27:09 EDT; In my experiences, they don't open, they short because the dielectric punches through. Perhaps, but then will he still be able to load it up as he says he does? If it was shorted, then his variable l; /archives//html/Amps/2006-08/msg00758.html (6,705 bytes)
257. [Amps] FUN E-BAY DESCRIPTION OF A 3-500Z TUBE (score: 1): Author: Gudguyham@aol.com; Date: Wed, 30 Aug 2006 10:14:25 EDT; The follwing has been snipped from an e-bay auction for a 3-500Z tube. THIS CAME TO US AS A NEW EIMAC 3-500Z TUBE..WE CANNOT SWEAR IT IS NEW AS WE HAVE NOT OWNED IT SINCE A STORE DID BUT IT LOOKS NEW; /archives//html/Amps/2006-08/msg00808.html (7,240 bytes)
258. Re: [Amps] amp tubes (score: 1): Author: Gudguyham@aol.com; Date: Sun, 10 Sep 2006 08:25:37 EDT; Just as a suggestion you might observe the PC Plate supressors to make sure they are in good shape and not showing signs of heating due to some "undesired" output on some freq other than the primary; /archives//html/Amps/2006-09/msg00167.html (7,419 bytes)
259. Re: [Amps] amp tubes (score: 1): Author: Gudguyham@aol.com; Date: Sun, 10 Sep 2006 08:54:25 EDT; I have been working on an amp, fl2100B , and see something I can't believe.!! the amp has 2 ea. New chinese type 572B's. I have two output meters, both WM1 auteks.; With about 60-80 watts input I'm s; /archives//html/Amps/2006-09/msg00168.html (9,767 bytes)
260. [Amps] SELL: HV PS CAPACITORS (score: 1): Author: Gudguyham@aol.com; Date: Tue, 12 Sep 2006 13:42:32 EDT; Offering VERY nice oil filled HV power supply capacitors. They are 32UF at 4500 volts. Have a pair of them. $55.00 each or take the pair for $100.00. Shipping extra. Thanks 73 Lou W1QJ ______________; /archives//html/Amps/2006-09/msg00190.html (6,597 bytes)

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