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Total 573 documents matching your query.

221. Re: [Amps] What am I missing....balun (score: 1)
Author: "Jim W7RY" <jimw7ry@gmail.com>
Date: Fri, 17 Feb 2017 08:23:46 -0600
A design prototype? Not disclosing the true amount of windings of a production model? 73 Jim W7RY You're not missing a thing, Jim! This emperor has no clothes. 73, Jim K9YC What am I missing here ? A
/archives//html/Amps/2017-02/msg00113.html (9,371 bytes)

222. Re: [Amps] SS amps watercooling - was PowerGenius XL (score: 1)
Author: "Jim W7RY" <jimw7ry@gmail.com>
Date: Fri, 17 Feb 2017 08:27:04 -0600
Amen! Jim W7RY --Original Message-- From: Jeff AC0C Sent: Thursday, February 16, 2017 10:42 PM To: Big Don ; Roger (K8RI) Cc: amps@contesting.com Subject: Re: [Amps] SS amps watercooling - was PowerG
/archives//html/Amps/2017-02/msg00114.html (11,608 bytes)

223. Re: [Amps] Facebook group for SSPA amp builders (score: 1)
Author: "Jim W7RY" <jimw7ry@gmail.com>
Date: Sat, 18 Feb 2017 18:20:27 -0600
I've never seen or used groups.io... But my wife and I are on facebook with one user name, ONLY to keep up with our family. No other reason. I would cancel it in a heartbeat if I could. 73 Jim W7RY E
/archives//html/Amps/2017-02/msg00142.html (9,820 bytes)

224. Re: [Amps] Checking Filament Voltage (score: 1)
Author: "Jim W7RY" <jimw7ry@gmail.com>
Date: Sun, 19 Feb 2017 21:09:48 -0600
I just put the jacks on the back of my 8877 amplifier. I just dont drive the amplifier when I'm measuring filament voltage. The leads are only 2 inches long. Simple! 73 Jim W7RY I am busily making a
/archives//html/Amps/2017-02/msg00147.html (10,274 bytes)

225. Re: [Amps] Ameritron AL-1200 (score: 1)
Author: "Jim W7RY" <jimw7ry@gmail.com>
Date: Sun, 26 Feb 2017 06:19:29 -0600
Do you think a link to the schematic or info would be helpful Roger? So at least we would know what you are talking about? 73 Jim W7RY There is a hand-drawn input circuit change on the Ameritron webs
/archives//html/Amps/2017-02/msg00192.html (7,452 bytes)

226. Re: [Amps] Ameritron AL-1200 (score: 1)
Author: "Jim W7RY" <jimw7ry@gmail.com>
Date: Sun, 26 Feb 2017 20:07:01 -0600
It is for modifying the early amplifiers. All of the later versions all had the dual coax runs between the tuned input and the tube. Goes back to the discussion about efficiency and the best place to
/archives//html/Amps/2017-02/msg00205.html (9,242 bytes)

227. Re: [Amps] Maintenance-free (score: 1)
Author: "Jim W7RY" <jimw7ry@gmail.com>
Date: Mon, 27 Feb 2017 18:03:49 -0600
Indeed Bill! Indeed.... 73 Jim W7RY -- ORIGINAL MESSAGE --(may be snipped) After a few hours of fiddling with my SB-220, I am now comfortable working on it and expect I can keep it running as long as
/archives//html/Amps/2017-02/msg00217.html (9,066 bytes)

228. Re: [Amps] Off topic - help with eHam.net (score: 1)
Author: "Jim W7RY" <jimw7ry@gmail.com>
Date: Mon, 27 Feb 2017 21:51:04 -0600
Or QRZ.com. It's free too. 73 Jim W7RY --Original Message-- From: RCM Sent: Monday, February 27, 2017 9:20 PM To: Jim Dawson Cc: AMPS submit Subject: Re: [Amps] Off topic - help with eHam.net https:/
/archives//html/Amps/2017-02/msg00220.html (8,563 bytes)

229. Re: [Amps] Questions on Alpha 8410 (score: 1)
Author: "Jim W7RY" <jimw7ry@gmail.com>
Date: Tue, 28 Feb 2017 18:36:07 -0600
Does the FT1000D have an ALC overshoot issue at lower power? If not, then ALC is not needed. ALC connection to the amplifier wont help the ALC overshoot issue anyway... 73 Jim W7RY Hi Mike: Make sure
/archives//html/Amps/2017-02/msg00230.html (10,071 bytes)

230. Re: [Amps] Questions on Alpha 8410 (score: 1)
Author: "Jim W7RY" <jimw7ry@gmail.com>
Date: Tue, 28 Feb 2017 19:12:04 -0600
Not if the horse is already out of the barn! Hi Jim W7RY: Does the FT1000D have an ALC overshoot issue at lower power? If not, then ALC is not needed. ALC connection to the amplifier wont help the AL
/archives//html/Amps/2017-02/msg00231.html (9,061 bytes)

231. Re: [Amps] Questions on Alpha 8410 (score: 1)
Author: "Jim W7RY" <jimw7ry@gmail.com>
Date: Tue, 28 Feb 2017 20:23:02 -0600
Please read Alex's post. Hi Jim W7RY: Not if the horse is already out of the barn! Do you mean if you first operate without connecting the ALC it won't work when connected after that? Won't the ALC c
/archives//html/Amps/2017-02/msg00235.html (9,294 bytes)

232. Re: [Amps] Checking Filament Voltage (score: 1)
Author: Jim W7RY <jimw7ry@gmail.com>
Date: Fri, 3 Mar 2017 14:44:51 -0600
Well done! That is exactly what I would have done ! 73 Jim W7RY _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/amps
/archives//html/Amps/2017-03/msg00023.html (8,561 bytes)

233. [Amps] 1/4" Panel bushing and insulated Couplers Needed (score: 1)
Author: "Jim W7RY" <jimw7ry@gmail.com>
Date: Tue, 14 Mar 2017 20:39:30 -0500
I need 8ea to 16ea 1/4 panel bushings for shafts through the front and sub panel of and amplifier project. Also need 8ea 1/4 insulated shaft couplers. Nice tight ones with little slop. Ceramic units
/archives//html/Amps/2017-03/msg00098.html (7,333 bytes)

234. Re: [Amps] 1/4" Panel bushing and insulated Couplers Needed (score: 1)
Author: "Jim W7RY" <jimw7ry@gmail.com>
Date: Wed, 15 Mar 2017 06:14:40 -0500
Thanks! Just ordered 20 of them. Not a bad price at all. 5 for $4.00. Now just need some insulated shaft couplers. 73 Jim W7RY Leeds Electronics now in Bronx, NY Here is the link https://www.etsy.com
/archives//html/Amps/2017-03/msg00105.html (10,205 bytes)

235. Re: [Amps] 1/4" Panel bushing and insulated Couplers Needed (score: 1)
Author: "Jim W7RY" <jimw7ry@gmail.com>
Date: Wed, 15 Mar 2017 06:15:54 -0500
Panel bushings... For an amplifier. Jim W7RY What are you using the 1/4" Panel Bushings for? Joe WB9SBD Sig The Original Rolling Ball Clock Idle Tyme Idle-Tyme.com http://www.idle-tyme.com On 3/14/20
/archives//html/Amps/2017-03/msg00106.html (9,419 bytes)

236. [Amps] 240 Volt Blowers needed (score: 1)
Author: "Jim W7RY" <jimw7ry@gmail.com>
Date: Sun, 19 Mar 2017 13:26:12 -0500
Well... on the parts search once again... And thanks for the tips on where to find stuff... Got the 1/4 panel bushings from Leeds... Now looking for some 240 volt blowers suitable for 8877 (need 4 bl
/archives//html/Amps/2017-03/msg00109.html (7,268 bytes)

237. Re: [Amps] 240 Volt Blowers needed (score: 1)
Author: "Jim W7RY" <jimw7ry@gmail.com>
Date: Sun, 19 Mar 2017 13:54:43 -0500
Thanks Dave! Found them on EBay for $75.00 each with free shipping! Grainger full list is 112.00. So 75.00 is a great price! Thanks for the tip! 73 Jim W7RY Jim, A few months ago when I needed a blow
/archives//html/Amps/2017-03/msg00111.html (8,492 bytes)

238. [Amps] Ameritron REPLACEMENT Capacitor Board (Shameless Plug...) (score: 1)
Author: "Jim W7RY" <jimw7ry@gmail.com>
Date: Fri, 31 Mar 2017 20:35:41 -0500
All... I now have an Ameritron rectifier-filter capacitor board available for the AL-82, AL-1200 and AL-1500. The board has space for ** 10ea** 30 mm diameter caps, a bridge diode arrangement with 20
/archives//html/Amps/2017-03/msg00156.html (10,096 bytes)

239. Re: [Amps] Ameritron REPLACEMENT Capacitor Board (Shameless Plug...) (score: 1)
Author: "Jim W7RY" <jimw7ry@gmail.com>
Date: Fri, 31 Mar 2017 20:44:01 -0500
Sorry Steve! I changed the name of the folder and it changes the link.. I knew I should have left it alone! http://s900.photobucket.com/user/w7ry/library/W7RY%20Ameritron%20Diode-Capacitor%20Rectifie
/archives//html/Amps/2017-03/msg00157.html (11,904 bytes)

240. [Amps] New W7RY Soft Key Module (score: 1)
Author: "Jim W7RY" <jimw7ry@gmail.com>
Date: Fri, 31 Mar 2017 20:54:26 -0500
Yet another shameless plug.... I also have a new circuit board only which is a soft key module for the SB220 and other + voltage keyed amplifiers with a 120 volt DC relay power supply like the Kenwoo
/archives//html/Amps/2017-03/msg00158.html (7,539 bytes)

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