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261. [Amps] WTB: B&W AIRDUX 2404 (score: 1): Author: Errol David Beard via Amps <amps@contesting.com>; Date: Thu, 11 Aug 2016 15:57:30 -0500; WTB 6"- 8" of 2404 - 4 TPI, #10 Wire, 3" Diam. for L section of linear amp. Please contact wt8r@aol.com off line. Thank you for your consideration. Sent from my iPhone _______________________________; /archives//html/Amps/2016-08/msg00004.html (6,810 bytes)
262. [Amps] Alpha 8410 questions (score: 1): Author: Dick via Amps <amps@contesting.com>; Date: Fri, 12 Aug 2016 10:47:50 -0400; I recently purchased a used Alpha 8410 and have a couple of questions: 1) The amp came without an External Fan. Would you have any fan Make & Model recommendations for me to purchase? 2) I've heard t; /archives//html/Amps/2016-08/msg00006.html (6,800 bytes)
263. Re: [Amps] SCR to adjust 240v to 200v (score: 1): Author: mike via Amps <amps@contesting.com>; Date: Mon, 15 Aug 2016 14:26:12 -0400; I can sell you a filament transformer from a SB-220 and that would solve the filament problem. --Original Message-- From: Peter Voelpel <dj7ww@t-online.de> To: 'Jim Durham' <jimdur@gmail.com> Cc: amp; /archives//html/Amps/2016-08/msg00026.html (10,425 bytes)
264. Re: [Amps] New Ameritron AL-80B Tune Up (score: 1): Author: Gerald Williamson via Amps <amps@contesting.com>; Date: Fri, 19 Aug 2016 10:15:20 -0400; Thomas, you can save a lot of thermal stress on the tube and other parts by tuning with high speed cw dots instead of a steady carrier. Most radios now have cw keyers built in so you can easily do th; /archives//html/Amps/2016-08/msg00040.html (8,227 bytes)
265. Re: [Amps] Ten Tec 425 Repair (score: 1): Author: Joe Giacobello via Amps <amps@contesting.com>; Date: Wed, 31 Aug 2016 14:56:36 -0400; Ken, I can't comment re L4, but high grid current is often associated with a failure of R17 (4.7 ohm , 5% resistor) on the bias board. Why this would only manifest on 75/80M is a mystery, but since i; /archives//html/Amps/2016-08/msg00083.html (9,524 bytes)
266. Re: [Amps] Ten Tec 425 Repair (score: 1): Author: Louis Parascondola via Amps <amps@contesting.com>; Date: Wed, 31 Aug 2016 16:55:26 -0400; I would tend not to think that R17 is the problem. If L4 is common to 160 and 80/75 I would think that you would see a similar problem on 160m. Most likely the full windings on L4 are in use on 160,; /archives//html/Amps/2016-09/msg00001.html (11,314 bytes)
267. [Amps] Acom 2000A - typical output power? (score: 1): Author: Dick via Amps <amps@contesting.com>; Date: Tue, 6 Sep 2016 15:09:33 -0400; Hi Guys, I'm considering the purchase of an Acom 2000A. I'm wondering if the 2000A will easily make 1,500 watts on all bands 160-10 or if it strains to make 1,500 watts on some bands? I'm really tire; /archives//html/Amps/2016-09/msg00009.html (7,063 bytes)
268. Re: [Amps] What Do you think? (score: 1): Author: mike via Amps <amps@contesting.com>; Date: Thu, 8 Sep 2016 14:56:20 -0400; It should last forever. --Original Message-- From: Arnie Pfingst <arnie123@hotmail.com> To: amps <amps@contesting.com> Sent: Thu, Sep 8, 2016 2:49 pm Subject: [Amps] What Do you think? I'm interested; /archives//html/Amps/2016-09/msg00012.html (8,294 bytes)
269. [Amps] RKR no longer transfering warranty? (score: 1): Author: Dick via Amps <amps@contesting.com>; Date: Mon, 12 Sep 2016 23:29:02 -0400; Hi Guys, Is it true that RKR is no longer allowing amps made 2-3 years ago by the former Alpha owner to be transferred if the amp gets sold? I thought RKR was allowing the warranty to be transferred; /archives//html/Amps/2016-09/msg00041.html (7,057 bytes)
270. Re: [Amps] TL-922 80m load issue (score: 1): Author: Louis Parascondola via Amps <amps@contesting.com>; Date: Sat, 17 Sep 2016 09:46:12 -0400; No, it is just the opposite. Grounded grids require LESS drive. It sounds like your padding capacitor is wrong, missing, or bad. It can also be the switching that kicks it in. I recall reading in the; /archives//html/Amps/2016-09/msg00074.html (9,479 bytes)
271. Re: [Amps] Buzzing transformer (score: 1): Author: "Joe Giacobello, K2XX via Amps" <amps@contesting.com>; Date: Sun, 25 Sep 2016 21:54:44 -0400; Carol, make sure that it's not the choke and not the trans. 73, Joe K2XX This past weekend I ran into a new problem in the CQWW-RTTY contest. For some reason, the power transformer in my Alpha 76PA s; /archives//html/Amps/2016-09/msg00118.html (8,504 bytes)
272. Re: [Amps] MFJ-(AMERITRON) ROLLER INDUCTOR? (score: 1): Author: Glen Zook via Amps <amps@contesting.com>; Date: Thu, 29 Sep 2016 15:04:41 +0000 (UTC); The Henry / Tempo 2001 linear amplifier uses a roller inductor as the plate tuning instead of the "normal" variable capacitor tuning. It has fixed capacitors that are band switched instead of switch; /archives//html/Amps/2016-09/msg00137.html (10,334 bytes)
273. Re: [Amps] Amps Digest, Vol 166, Issue 1 (score: 1): Author: monk via Amps <amps@contesting.com>; Date: Sat, 1 Oct 2016 16:36:34 +0000 (UTC); Transformer Buzzing Hi, I don't know if the transformer is already varnished or if the I E plates are bare metal. I read somewhere that if the plates are bare metal you can use the thin super glu; /archives//html/Amps/2016-10/msg00011.html (18,753 bytes)
274. Re: [Amps] Amps Digest, Vol 166, Issue 3 (score: 1): Author: monk via Amps <amps@contesting.com>; Date: Mon, 3 Oct 2016 18:24:47 +0000 (UTC); Vacuum vessel-pressure cooker? Wayne kd7rur Woodland WA Send Amps mailing list submissions to amps@contesting.com To subscribe or unsubscribe via the World Wide; /archives//html/Amps/2016-10/msg00015.html (21,790 bytes)
275. Re: [Amps] For Sale: Homebrew 2 X 4-400 Amp Near Detroit (score: 1): Author: "Jeffrey L. Bauman via Amps" <amps@contesting.com>; Date: Thu, 13 Oct 2016 18:46:44 +0000 (UTC); For sale: Beautifully constructed floor-standing amplifier on casters. Runs a pair of 4-400's. Weighs about 250 pounds I think, so it will take at least two men to move it from my garage ... it took; /archives//html/Amps/2016-10/msg00041.html (8,157 bytes)
276. Re: [Amps] one question test for hams (score: 1): Author: Glen Zook via Amps <amps@contesting.com>; Date: Sun, 16 Oct 2016 16:58:02 +0000 (UTC); Also, broken wires, physically broken components including switches, broken traces on circuit boards, corrosion, and a number of other things. This is especially true of units used for mobile operat; /archives//html/Amps/2016-10/msg00066.html (9,304 bytes)
277. Re: [Amps] Answer about heat failure (score: 1): Author: Riichard Neuman via Amps <amps@contesting.com>; Date: Sun, 16 Oct 2016 21:37:40 -0400; While in fact true, recent case studys have found that EHFAS (Excessive Heat Failure Anxiety Syndrome) have been found treatable in more than 50% of reported cases by installing a higher GPM water ci; /archives//html/Amps/2016-10/msg00070.html (8,663 bytes)
278. [Amps] HENRY 2002 2M AMP MANUAL (NOT 2002A) (score: 1): Author: Errol David Beard via Amps <amps@contesting.com>; Date: Mon, 17 Oct 2016 07:56:52 -0500; I desperately need this manual to get back on the air. Any help Will be greatly appreciated. Please reply off line: WT8R@aol.com TNX Es 73. DAVE Sent from my iPhone __________________________________; /archives//html/Amps/2016-10/msg00073.html (7,185 bytes)
279. [Amps] FS Polaris High voltage probe (score: 1): Author: John Watkins via Amps <amps@contesting.com>; Date: Mon, 17 Oct 2016 11:47:51 -0500; I have a 40Kv dual function voltage and current probe for sale. $20 plus shipping (should fit in a USPO flat rate box $18) I have used it on my Macintosh CRT HV a few times. Comes in original box wit; /archives//html/Amps/2016-10/msg00078.html (7,297 bytes)
280. [Amps] gs35b hf amp (score: 1): Author: darrell wyatt via Amps <amps@contesting.com>; Date: Thu, 20 Oct 2016 01:17:54 +0000 (UTC); HI to all of the group. Looking for a little help/knowledge. I am building a gs35b amplifier for 10-160 meters. I am having a heck of a time trying to get 10 meters output/resonance correct due to t; /archives//html/Amps/2016-10/msg00093.html (7,480 bytes)

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