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Total 477 documents matching your query.

221. Re: [Amps] What is max grid current for YC-156 ?? (score: 1)
Author: Alek Petkovic <vk6apk@bigpond.com>
Date: Mon, 25 Mar 2013 06:11:41 +0800
I have not fired mine up yet but on my mate's 156, we have 6kV on the anode and at 1kW out, there is little or no discernible movement of the grid current meter. The meter is scaled for 500mA FSD as
/archives//html/Amps/2013-03/msg00325.html (10,362 bytes)

222. Re: [Amps] commander hf-2500 schematic (score: 1)
Author: Alek Petkovic <vk6apk@bigpond.com>
Date: Mon, 08 Apr 2013 10:12:01 +0800
It would be nice if you could pdf all the variants that you have and upload them to BAMA. http://bama.edebris.com/manuals/ 73, Alek. On 7/04/2013 9:33 PM, K1TTT wrote: Ok, now I'm making some progres
/archives//html/Amps/2013-04/msg00029.html (13,368 bytes)

223. Re: [Amps] 572b (score: 1)
Author: Alek Petkovic <vk6apk@bigpond.com>
Date: Fri, 03 May 2013 06:50:10 +0800
Usually the filament volts gets 'em. For example, here in VK6, in the old Yaesu 2100 amps, the filament voltage is around 7% high. In the Ameritrons, it is 10% high. Our mains typically reach 245V. O
/archives//html/Amps/2013-05/msg00024.html (13,007 bytes)

224. [Amps] Fwd: Re: Commander 2500 value. (score: 1)
Author: Alek Petkovic <vk6apk@bigpond.com>
Date: Thu, 09 May 2013 14:34:37 +0800
No. They are not that hard to work on. Not like Ameritron amps anyway. I have one here and it is for sale, with a spare pair of full output, low grid current 3CX800A7's. It is from the estate of VK6H
/archives//html/Amps/2013-05/msg00129.html (8,424 bytes)

225. Re: [Amps] Wanted to buy.. 1-2 GOOD YC-156's (score: 1)
Author: Alek Petkovic <vk6apk@bigpond.com>
Date: Thu, 16 May 2013 17:45:05 +0800
Got 3 of mine from N4UMI on 'the bay'. He sells/sold them and 3CX800's. Haven't looked lately, to see if he's still doing it. I notice RFP in San Marcos bought a lot that he auctioned off. They musta
/archives//html/Amps/2013-05/msg00162.html (7,860 bytes)

226. Re: [Amps] Tuned Output Network for gs35-b (score: 1)
Author: Alek Petkovic <vk6apk@bigpond.com>
Date: Wed, 29 May 2013 05:43:00 +0800
Good luck with 4kV on that tube. 73, Alek. VK6APK On 28/05/2013 10:56 PM, Mel wrote: Greeing to all, I have an interest in building an amplifier around a GS35-b Triode tube, I am going to make this a
/archives//html/Amps/2013-05/msg00196.html (9,075 bytes)

227. Re: [Amps] LDG AT-100AMP (score: 1)
Author: Alek Petkovic <vk6apk@bigpond.com>
Date: Mon, 03 Jun 2013 16:56:44 +0800
No. But I'm gonna try it. I have one in an amp under construction. If its no good, I'll repack it into a robust, weatherproof box or tube and stick a 10ft stainless whip out the top and use it as an
/archives//html/Amps/2013-06/msg00011.html (8,396 bytes)

228. Re: [Amps] LDG AT-100AMP (score: 1)
Author: Alek Petkovic <vk6apk@bigpond.com>
Date: Mon, 03 Jun 2013 18:31:11 +0800
See http://www.w4rt.com/ They sell them for US$203.00 plus shipping. That's where I got mine. 73, Alek. VK6APK No. But I'm gonna try it. I have one in an amp under construction. If its no good, I'll
/archives//html/Amps/2013-06/msg00013.html (9,748 bytes)

229. Re: [Amps] Nice Chock (score: 1)
Author: Alek Petkovic <vk6apk@bigpond.com>
Date: Tue, 04 Jun 2013 10:03:17 +0800
Not forgetting the 'Dump Load' from the same seller. http://www.ebay.com/itm/RH-250-6-04-OHM-1-120W-RESISTOR-NOS-DUMP-LOAD-/321069112901?pt=LH_DefaultDomain_0&hash=item4ac135de45 End of frivolity, Al
/archives//html/Amps/2013-06/msg00033.html (9,943 bytes)

230. Re: [Amps] Racal TTA1885/TA1823 (score: 1)
Author: Alek Petkovic <vk6apk@bigpond.com>
Date: Fri, 07 Jun 2013 21:22:33 +0800
Just go to your local air conditioning service agent or parts supplier and get a metre or yard of the filter material used for return air filters in domestic ducted air con systems. Oh. Hang on. You
/archives//html/Amps/2013-06/msg00153.html (8,719 bytes)

231. Re: [Amps] save face (score: 1)
Author: Alek Petkovic <vk6apk@bigpond.com>
Date: Mon, 24 Jun 2013 06:34:54 +0800
Don't mention it mate. It was no problem. Happy to help out any time. Alek. VK6APK Yours, Matt 73AD7XN _______________________________________________ Amps mailing list Amps@contesting.com http://lis
/archives//html/Amps/2013-06/msg00239.html (7,437 bytes)

232. Re: [Amps] premade HV rectifier board (score: 1)
Author: Alek Petkovic <vk6apk@bigpond.com>
Date: Fri, 05 Jul 2013 07:18:55 +0800
On 5/07/2013 6:25 AM, Dave Hachadorian wrote: A friend of mine blew one of the filter capacitors in his AL-1500. Yeah and I know why. There are 8 x 450V rated capacitors giving a total working voltag
/archives//html/Amps/2013-07/msg00010.html (10,283 bytes)

233. Re: [Amps] AL-82 No output on 160m. Resolution (score: 1)
Author: Alek Petkovic <vk6apk@bigpond.com>
Date: Tue, 13 Aug 2013 08:02:36 +0800
Thanks to all that responded with assistance ideas for the AL-82 no-output on 160m. I had concentrated on the burned plate choke and the load padder wire that fell off when touched. Neither lead to
/archives//html/Amps/2013-08/msg00092.html (9,986 bytes)

234. Re: [Amps] GU-74b amp by UX1UX (score: 1)
Author: Alek Petkovic <vk6apk@bigpond.com>
Date: Sat, 17 Aug 2013 11:59:16 +0800
Yeah. Its almost as if they are trying to outdo Ameritron in the cheapskate construction stakes. Alek. VK6APK Does anybody see any obvious flaws in this amp http://goo.gl/lqPBie REPLY: Bandswitch loo
/archives//html/Amps/2013-08/msg00109.html (9,352 bytes)

235. Re: [Amps] Fwd: [Antennas] From CO8LY (score: 1)
Author: Alek Petkovic <vk6apk@bigpond.com>
Date: Wed, 28 Aug 2013 07:23:27 +0800
I'd be happy to send him a Russki 2200pF/10kV cap, which is about the same size as the original Yaesu cap, for the price of a CW qso on 80m and a card for that qso and the others that I have in my lo
/archives//html/Amps/2013-08/msg00132.html (8,880 bytes)

236. Re: [Amps] Fwd: [Antennas] From CO8LY (score: 1)
Author: Alek Petkovic <vk6apk@bigpond.com>
Date: Wed, 28 Aug 2013 17:46:58 +0800
Pretty sure its the plate coupling cap. Alek. VK6APK On 28/08/2013 10:52 AM, Hardy Landskov wrote: Maybe 2200 pF is too large for what the schematic calls for. Do you know what cap he is talking abou
/archives//html/Amps/2013-08/msg00142.html (10,796 bytes)

237. Re: [Amps] Power output drop (score: 1)
Author: Alek Petkovic <vk6apk@bigpond.com>
Date: Wed, 11 Sep 2013 09:56:23 +0800
It could be the loading padder cap/s. They may be getting warm and going open circuit. If that is the case, then no amount of retuning will bring the power back up. I make this suggestion because in
/archives//html/Amps/2013-09/msg00026.html (10,075 bytes)

238. Re: [Amps] Clipperton-L question (score: 1)
Author: Alek Petkovic <vk6apk@bigpond.com>
Date: Fri, 13 Sep 2013 06:38:36 +0800
A little vacuum relay to take the HV isn't hard to do. A little 24V dcplug pack (wall wart) supply would be easy to cannibalise and fit inside the cabinet to operate the relay. (Ebay item 31074344631
/archives//html/Amps/2013-09/msg00094.html (11,940 bytes)

239. Re: [Amps] Workshop Danger (score: 1)
Author: Alek Petkovic <vk6apk@bigpond.com>
Date: Sat, 14 Sep 2013 07:13:18 +0800
Nah. I can't wait that long. A series of holes drilled just inside the circle or square you wanna cut and a good file and a bit of elbow grease gets the job done quickly and neatly. The sweat and the
/archives//html/Amps/2013-09/msg00150.html (11,246 bytes)

240. Re: [Amps] Regulations (score: 1)
Author: Alek Petkovic <vk6apk@bigpond.com>
Date: Thu, 10 Oct 2013 09:55:15 +0800
And none of us are biting. 73, Alek. VK6APK *&^%$(!!! :-) Odd cultural norm ... not that Hollywood & pop music losers aren't conditioning American youth to the same stupidity. If you cannot communica
/archives//html/Amps/2013-10/msg00169.html (8,993 bytes)


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