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References: [ +from:w7ry@centurytel.net: 284 ]

Total 284 documents matching your query.

221. Re: [Amps] PC board spade terminals (score: 1)
Author: "Jim W7RY" <w7ry@centurytel.net>
Date: Sat, 19 Jul 2014 08:58:41 -0700
Which is available at Mouser. 73 Jim W7RY Hi Mike, Keystone electronics might have what you're after. Try this... http://www.keyelco.com/category.cfm/250-6-35-Male-Tab-Quick-Fits/Vertical-Sturdi-Moun
/archives//html/Amps/2014-07/msg00075.html (8,522 bytes)

222. Re: [Amps] MLA-2500 problem (score: 1)
Author: "Jim W7RY" <w7ry@centurytel.net>
Date: Fri, 22 Aug 2014 12:51:50 -0700
Bad filter caps. They were going bad 20 years ago! Metering resistors? (un-likely). 73 Jim W7RY I have what I consider to be a strange problem with my MLA 2500. First, I should mention that it has be
/archives//html/Amps/2014-08/msg00054.html (8,875 bytes)

223. Re: [Amps] Amp Supply LK500ZB - strange failure mode (score: 1)
Author: "Jim W7RY" <w7ry@centurytel.net>
Date: Thu, 2 Oct 2014 21:44:08 -0700
Agreed! 73 Jim W7RY See http://www.rfconcepts.com/PRODUCTS/tubes They appear to be the best deal around. 73, Alek VK6APK On 3/10/2014 10:05 AM, k0zx Rich wrote: Right you were Colin. After pulling an
/archives//html/Amps/2014-10/msg00009.html (11,967 bytes)

224. [Amps] Amperex 3-500s For Sale (score: 1)
Author: "Jim W7RY" <w7ry@centurytel.net>
Date: Fri, 17 Oct 2014 18:08:52 -0700
A pair of Amperex, made in France 3-500Z/8802 tubes. I ran them for a few weeks in my B&W PT2500 amplifier. I removed them about 6 months ago. Just tested each of them in my Ameritorn AL80A and they
/archives//html/Amps/2014-10/msg00147.html (6,902 bytes)

225. Re: [Amps] Fwd: Ten-Tec Titan 425 - input SWR high (score: 1)
Author: "Jim W7RY" <w7ry@centurytel.net>
Date: Sun, 19 Oct 2014 12:49:58 -0700
Most SWR indicators in modern solid state radios are very accurate. With a 20 degree index band switch, sometimes the input and output switches can get slightly out of sync. Try to change to the desi
/archives//html/Amps/2014-10/msg00194.html (13,063 bytes)

226. Re: [Amps] Solid State Amps (or rather the NCL-2000...) (score: 1)
Author: "Jim W7RY" <w7ry@centurytel.net>
Date: Sun, 19 Oct 2014 12:55:52 -0700
I too use my Bose QC-15s in the shack for contesting. With 2 amplifiers running, it really helps! With the input of the QC15 set to low, it really works well with my IC7600 or PRO III. If you look at
/archives//html/Amps/2014-10/msg00196.html (11,131 bytes)

227. Re: [Amps] Transformer needed (score: 1)
Author: "Jim W7RY" <w7ry@centurytel.net>
Date: Tue, 28 Oct 2014 07:21:09 -0700
Heybour Transformers will wind you anything you want. Last 3KVA transformer I bought from them was $435.00 shipped to my door. They will add taps to either the primary or secondary you desire. 73 Jim
/archives//html/Amps/2014-10/msg00230.html (8,270 bytes)

228. Re: [Amps] Alpha 76A (score: 1)
Author: "Jim W7RY" <w7ry@centurytel.net>
Date: Tue, 25 Nov 2014 14:05:25 -0800
Find a picture and count the terminals on one half. I'm 99% sure it's 20 degrees. Same as the Ten Tec Titan. Same band switch manufacturer for both switches. 73 Jim W7RY I am nearly complete with a r
/archives//html/Amps/2014-11/msg00049.html (8,673 bytes)

229. Re: [Amps] AL80-B fuse F101 blown;step-startnot working? (score: 1)
Author: "Jim W7RY" <w7ry@centurytel.net>
Date: Fri, 28 Nov 2014 13:37:57 -0800
Or a shorted tube will take out the step start fuse and resistors. 73 Jim W7RY The first thing Id check is to see if the relay contacts are welded, Ameritron uses the wrong contact alloy for high cur
/archives//html/Amps/2014-11/msg00068.html (10,731 bytes)

230. Re: [Amps] WTB Henry 2K (score: 1)
Author: "Jim W7RY" <w7ry@centurytel.net>
Date: Sun, 30 Nov 2014 17:10:55 -0800
From my QTH.com ad.... 73 Jim W7RY Henry 2KD-2 linear amplifier. Covers 80-10 meters. Uses 2ea Eimac 3-400 tubes. Tubes have chimneys and there is a very quiet squirrel cage blower for the tubes. Als
/archives//html/Amps/2014-11/msg00081.html (9,015 bytes)

231. Re: [Amps] Alpha 76 case screws (score: 1)
Author: "Jim W7RY" <w7ry@centurytel.net>
Date: Thu, 4 Dec 2014 20:40:42 -0800
Flat head machine screw... Not flat headed machine screw. 73 Jim W7RY Does anyone know the type of screw used in the sides of the Alpha 76? It's a 6-32, stainless with some sort of a flat head . RF C
/archives//html/Amps/2014-12/msg00034.html (8,431 bytes)

232. Re: [Amps] THE SKINNY ON MY AL-82 (score: 1)
Author: "Jim W7RY" <w7ry@centurytel.net>
Date: Thu, 18 Dec 2014 07:14:01 -0800
Is he (YOU) SURE it was parasitics? More likely hot switching of the amplifier T/R relay. This causes LOTS of problems that folks THINK are parasites. After I install my QSK system into amplifiers, t
/archives//html/Amps/2014-12/msg00066.html (9,292 bytes)

233. Re: [Amps] L4B biasing (score: 1)
Author: "Jim W7RY" <w7ry@centurytel.net>
Date: Wed, 24 Dec 2014 22:14:01 -0800
11 diodes (7 volts) is way too much bias voltage. Better to have about 3 diodes (1N5408). That is what I have found while designing my QSK circuit board for the Drake. The L4 and L4B was designed wit
/archives//html/Amps/2014-12/msg00100.html (9,464 bytes)

234. [Amps] Are the Older SB220 and SB200 Load Cap the Same? (score: 1)
Author: "Jim W7RY" <w7ry@centurytel.net>
Date: Wed, 31 Dec 2014 21:08:59 -0800
Is the older 2 section loading cap in the SB200 the same as the older loading cap in the SB220?. SB-200 part number is 26-97. I dont have an old SB220 manual to look at the parts list... Nor did I fi
/archives//html/Amps/2015-01/msg00000.html (6,474 bytes)

235. Re: [Amps] Alpha Input SWR (score: 1)
Author: "Jim W7RY" <w7ry@centurytel.net>
Date: Sat, 10 Jan 2015 17:06:26 -0800
I have found that I use a 6' cable between SB220s and rigs for best SWR. I also tune the input coils using this length and advise my customers to do the same when they use their amps. 73 Jim W7RY My
/archives//html/Amps/2015-01/msg00024.html (8,820 bytes)

236. Re: [Amps] Input SWR revisited (score: 1)
Author: "Jim W7RY" <w7ry@centurytel.net>
Date: Wed, 14 Jan 2015 18:04:27 -0800
Not true Gary. And we are not talking about using a tuner between the solid state exciter and the amplifier. 73 Jim W7RY It means that-- if you are looking at the SWR at your radio and there is a tun
/archives//html/Amps/2015-01/msg00125.html (11,586 bytes)

237. Re: [Amps] Vendor For Transformer Rewind (score: 1)
Author: "Jim W7RY" <w7ry@centurytel.net>
Date: Sat, 24 Jan 2015 07:56:39 -0800
Agreed! 73 Jim W7RY Martin My vote goes hands down to the folks at Heyboer Paul K0UYA A while back I had picked up a Henry 3002A amplifier with a shorted transformer. I am interested in locating a ve
/archives//html/Amps/2015-01/msg00245.html (8,357 bytes)

238. Re: [Amps] ceramic vs glass (score: 1)
Author: "Jim W7RY" <w7ry@centurytel.net>
Date: Sun, 25 Jan 2015 07:23:59 -0800
I disagree Dick. The AL1500 8877 tube is cheaper, easier to find and more plentiful. If you are not going to RTTY contest, and dont need 160 meters, the SB220 @ $600 to $700 is the best buy. 73 Jim W
/archives//html/Amps/2015-01/msg00272.html (10,513 bytes)

239. Re: [Amps] Astron Power Supply replies (score: 1)
Author: "Jim W7RY" <w7ry@centurytel.net>
Date: Wed, 28 Jan 2015 20:49:02 -0800
Stay with the 2N3771. There is and even better pass transistor replacement that is recommended on the repeater builder astron page. 73 Jim W7RY Gentlemen, Thank you all so much for the replies regard
/archives//html/Amps/2015-01/msg00352.html (10,790 bytes)

240. Re: [Amps] Astron Power Supply replies (score: 1)
Author: "Jim W7RY" <w7ry@centurytel.net>
Date: Thu, 29 Jan 2015 07:23:54 -0800
And if your looking for 2N5686 transistors, dont buy them on EBay!!! Buy them from a reputable distributor like Mouser, Digi-Key, Allied or Newark. MOST if not all "NOS" transistors on EBay from Chin
/archives//html/Amps/2015-01/msg00361.html (10,883 bytes)

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