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

Total 284 documents matching your query.

241. Re: [Amps] GU84b tubes (score: 1)
Author: "Jim W7RY" <w7ry@centurytel.net>
Date: Thu, 29 Jan 2015 18:12:37 -0800
Bad link. Jim W7RY They are for sale at : www.ur4ll.com for 390 US$ Regards Jean . _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/ma
/archives//html/Amps/2015-01/msg00372.html (8,178 bytes)

242. Re: [Amps] queries TenTec Titan I (score: 1)
Author: "Jim W7RY" <w7ry@centurytel.net>
Date: Mon, 13 Apr 2015 18:24:42 -0700
A. I would not put more than 200 to 300 watts through it. The vacuum relay ( the alc circuit and the normally open contact of the input relay) are the only thing in the patch of the input RF when the
/archives//html/Amps/2015-04/msg00092.html (8,326 bytes)

243. Re: [Amps] LK-500 ZB (score: 1)
Author: "Jim W7RY" <w7ry@centurytel.net>
Date: Mon, 13 Apr 2015 20:52:33 -0700
Sounds like a shorted tube. Is there negative grid current? 73 Jim W7RY Hello I have a Amp Supply LK-500 ZB and yesterday it made a big bang and blew both fuses. Now when I power it up the meter says
/archives//html/Amps/2015-04/msg00094.html (7,657 bytes)

244. Re: [Amps] Time for New Power Meter (score: 1)
Author: "Jim W7RY" <w7ry@centurytel.net>
Date: Mon, 20 Apr 2015 19:54:03 -0700
I have owned three LP-100A s and currently have one. I'm probably open to selling it. I also have two power masters. One is new, and one is many years old. (probably an original run). After using bot
/archives//html/Amps/2015-04/msg00148.html (9,651 bytes)

245. [Amps] TL922 Plate Meter R7 Value (score: 1)
Author: "Jim W7RY" <w7ry@centurytel.net>
Date: Fri, 24 Apr 2015 23:32:08 -0700
I bought a replacement plate current meter from an OLD guy on QTH.com... (Yes... you know who he is)... It had the right part number on the face, but looks really old and has quite a few differences
/archives//html/Amps/2015-04/msg00165.html (6,904 bytes)

246. Re: [Amps] TL922 Plate Meter R7 Value (score: 1)
Author: "Jim W7RY" <w7ry@centurytel.net>
Date: Mon, 27 Apr 2015 06:29:55 -0700
I changed the resistance of R7 to 880 ohms to make the meter read correctly. Thanks for all of the suggestions. 73 Jim W7RY I bought a replacement plate current meter from an OLD guy on QTH.com... (Y
/archives//html/Amps/2015-04/msg00170.html (8,247 bytes)

247. Re: [Amps] Tetrode calcs (score: 1)
Author: "Jim W7RY" <w7ry@centurytel.net>
Date: Mon, 27 Apr 2015 17:58:50 -0700
Check out the schematic and operating voltages for the Johnson Viking Thunderbolt amplifier. It ran a pair of 4-400s. 73 Jim W7RY Steve, How do I calculate G2 voltage from the Anode voltage? Basicall
/archives//html/Amps/2015-04/msg00172.html (11,300 bytes)

248. Re: [Amps] Alpha 374A broken HV capacitor (score: 1)
Author: "Jim W7RY" <w7ry@centurytel.net>
Date: Tue, 26 May 2015 07:33:44 -0700
The equalizing bleeder resistors across each capacitor. Harbaugh has them too. And I'm sure they ship to EU. 73 Jim W7RY Hi, I had suddenly a lower HV voltage. It appears that 1 of the 6 HV capacitor
/archives//html/Amps/2015-05/msg00201.html (7,719 bytes)

249. Re: [Amps] Strange behavior (at least to me) (score: 1)
Author: "Jim W7RY" <w7ry@centurytel.net>
Date: Wed, 27 May 2015 21:34:12 -0700
Almost sounds like a gassey or intermittently shorted tube? 73 Jim W7RY Hi Gerald, One of the guys brought up the idea that the vacuum relay may have reached the end of it's life, but we didn't check
/archives//html/Amps/2015-05/msg00205.html (11,983 bytes)

250. Re: [Amps] Alpha 76PA (score: 1)
Author: "Jim W7RY" <w7ry@centurytel.net>
Date: Tue, 21 Jul 2015 21:29:31 -0700
Agreed Ros. 73 Jim W7RY I and I suspect plenty of others would buy a tubeless amp. depending upon varying factors. Ros Alpha 76PA not sure to part thinking of we don't _______________________________
/archives//html/Amps/2015-07/msg00087.html (10,038 bytes)

251. Re: [Amps] HV transformer and Variac (score: 1)
Author: "Jim W7RY" <w7ry@centurytel.net>
Date: Wed, 22 Jul 2015 07:15:24 -0700
If it has two cores, there is a wire between the two, which is a center tap. Nothing wrong with using a full wave center tap rectifier system. I used a full wave center tap (just two strings of diode
/archives//html/Amps/2015-07/msg00091.html (14,055 bytes)

252. Re: [Amps] HV transformer and Variac (score: 1)
Author: "Jim W7RY" <w7ry@centurytel.net>
Date: Wed, 22 Jul 2015 22:30:59 -0700
Buy a 3KVA transformer from Heybour for $500.00 and be done with it. Small, compact, and it will work better. 73 Jim W7RY Hello all, Thanks to everyone for the informative responses. Although I've no
/archives//html/Amps/2015-07/msg00100.html (10,805 bytes)

253. Re: [Amps] HV transformer and Variac (score: 1)
Author: "Jim W7RY" <w7ry@centurytel.net>
Date: Fri, 24 Jul 2015 21:02:25 -0700
BTW the CG-308 is rated at 500 ma. The 8877 ran at 700 -800 ma depending on band. 73 Jim W7RY If it has two cores, there is a wire between the two, which is a center tap. Nothing wrong with using a f
/archives//html/Amps/2015-07/msg00128.html (15,390 bytes)

254. Re: [Amps] Follow-up...re: Time to ask for help. (score: 1)
Author: "Jim W7RY" <w7ry@centurytel.net>
Date: Tue, 28 Jul 2015 06:02:42 -0700
The Collins 30S-1 also used grounded screen and was neutralized. 73 Jim W7RY --Original Message-- From: sm0aom@telia.com Sent: Monday, July 27, 2015 1:49 PM To: mike@tubby.org Cc: amps@contesting.com
/archives//html/Amps/2015-07/msg00173.html (18,943 bytes)

255. Re: [Amps] Blower noise (score: 1)
Author: "Jim W7RY" <w7ry@centurytel.net>
Date: Tue, 11 Aug 2015 13:23:13 -0700
I use Bose QC15s... And I LOVE them.... But this is the replacement for them.. https://www.bose.com/products/headphones/over_ear_headphones/quietcomfort-25-acoustic-noise-cancelling-headphones-apple-
/archives//html/Amps/2015-08/msg00026.html (12,416 bytes)

256. [Amps] Drake L4 PS Plug Needed (score: 1)
Author: "Jim W7RY" <w7ry@centurytel.net>
Date: Tue, 11 Aug 2015 19:44:09 -0700
Im looking for an 8 pin female power plug that is used to connect the Drake L4 power supply to the RF deck. I just bought an L-4B without a supply and need to build one. New or used. Thanks! 73 Jim W
/archives//html/Amps/2015-08/msg00031.html (7,145 bytes)

257. [Amps] Moderator?? (score: 1)
Author: "Jim W7RY" <w7ry@centurytel.net>
Date: Tue, 11 Aug 2015 21:53:28 -0700
Who is the moderator of this list? Please contact me. Thanks 73 Jim W7RY _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/list
/archives//html/Amps/2015-08/msg00033.html (6,358 bytes)

258. Re: [Amps] vacuum relay (score: 1)
Author: "Jim W7RY" <w7ry@centurytel.net>
Date: Tue, 8 Sep 2015 20:14:26 -0700
Use a small relay for the input side. Then a standard RJ1A or equivalent for the high power side.. Much quicker switching and more quiet. 73 Jim W7RY Anyone have a suggestion where to find a reasonab
/archives//html/Amps/2015-09/msg00029.html (8,088 bytes)

259. Re: [Amps] Oops (score: 1)
Author: "Jim W7RY" <w7ry@centurytel.net>
Date: Fri, 9 Oct 2015 17:35:01 -0700
You REALLY mean dipole. I'm not sure you CAN type... :) I meant dipoleI CAN spell but not type Sent via the Samsung Galaxy SŪ6 active, an AT&T 4G LTE smartphone ______________________________________
/archives//html/Amps/2015-10/msg00024.html (7,138 bytes)

260. [Amps] 3-400 Tube and Chimney Wanted (score: 1)
Author: "Jim W7RY" <w7ry@centurytel.net>
Date: Sun, 25 Oct 2015 17:46:44 -0700
Looking for a good 3-400 tube and chimney. Anyone have one? Thanks! 73 Jim W7RY _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailm
/archives//html/Amps/2015-10/msg00049.html (6,964 bytes)

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