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Total 477 documents matching your query.

261. Re: [Amps] Umac 606 (score: 1)
Author: Alek Petkovic <vk6apk@bigpond.com>
Date: Fri, 14 Feb 2014 06:01:16 +0800
I run zero bias with my 606 amp. I mix the leak with Coke Zero and some ice. Volatility is reduced. Cooling is taken care of and my glass is continually full. Alek. VK6APK Has anyone made an amplifie
/archives//html/Amps/2014-02/msg00113.html (8,566 bytes)

262. Re: [Amps] 100+100uF 500VDC MLytic Dual High Voltage Capacitor? (score: 1)
Author: Alek Petkovic <vk6apk@bigpond.com>
Date: Sat, 15 Feb 2014 16:50:53 +0800
Whoa! Look at the price! Who could afford them? Not me, that's for sure. Alek VK6APK 73 Peter G3RZP == Message Received: Feb 15 2014, 02:59 AM From: "Carl"<km1h@jeremy.mv.com> To: qrv@kd4e.com, amps@
/archives//html/Amps/2014-02/msg00125.html (10,329 bytes)

263. Re: [Amps] Triband balun (score: 1)
Author: Alek Petkovic <vk6apk@bigpond.com>
Date: Fri, 21 Mar 2014 19:58:46 +0800
What Hy Gain were thinking off when they used an unprotected terminal strip I don't know - or were they just thinking of locations like the California desert? 73 Peter G3RZP Too right mate. I'm 300m
/archives//html/Amps/2014-03/msg00121.html (13,568 bytes)

264. Re: [Amps] HV limit for rfc-3 choke? (score: 1)
Author: Alek Petkovic <vk6apk@bigpond.com>
Date: Wed, 26 Mar 2014 06:12:07 +0800
Dunno what 'the rfc-3 choke' is but if it is the Ameritron plate choke,that we all use in our homebrew amps, I'm running it at 6kV in a YC-156 amp. I never knew that it had a limit/rating on it. Some
/archives//html/Amps/2014-03/msg00148.html (9,362 bytes)

265. Re: [Amps] parts sales? (score: 1)
Author: Alek Petkovic <vk6apk@bigpond.com>
Date: Thu, 27 Mar 2014 05:29:47 +0800
No but it has always provided subscribers with the opportunity to buy and sell their wares. I for one, hope it stays that way. Alek. VK6APK lets keep this reflector on a technical level. just my two
/archives//html/Amps/2014-03/msg00170.html (8,262 bytes)

266. Re: [Amps] 3-500Zs inverted (score: 1)
Author: Alek Petkovic <vk6apk@bigpond.com>
Date: Fri, 04 Apr 2014 05:45:35 +0800
Yes. I can confirm that. Alek. VK6APK Don't forget to change the rotation of the fan and switch to the other sideband..... Sent from my iPad I need to trouble-shoot my QSK system, which is built into
/archives//html/Amps/2014-04/msg00035.html (10,640 bytes)

267. Re: [Amps] B&W PT-2500A on 10m? (score: 1)
Author: Alek Petkovic <vk6apk@bigpond.com>
Date: Fri, 04 Apr 2014 06:08:54 +0800
Perhaps they suggested the C1-L solution for the input tuning on 10m because the input capacitance of the tube/s is regarded as sufficient for C2 of the Pi circuit on that band. 73, Alek. VK6APK What
/archives//html/Amps/2014-04/msg00038.html (10,686 bytes)

268. Re: [Amps] 3-500Zs inverted (score: 1)
Author: Alek Petkovic <vk6apk@bigpond.com>
Date: Fri, 04 Apr 2014 11:47:27 +0800
The question had already been answered 2 or 3 times. There's nothing wrong with a little light hearted banter after the fact. It was not at anyone's expense. Relax and enjoy the day. We're half way t
/archives//html/Amps/2014-04/msg00040.html (12,740 bytes)

269. Re: [Amps] 4CX1600B options (score: 1)
Author: Alek Petkovic <vk6apk@bigpond.com>
Date: Sun, 06 Apr 2014 08:48:50 +0800
Hi John. I don't know if this is the same fault but a few years ago, in my local club's amp, which runs a similar but larger tube, the Russian GU84B, we had a runaway situation. We found that the ZSA
/archives//html/Amps/2014-04/msg00061.html (11,894 bytes)

270. Re: [Amps] AL572 for DXpedition, parts to take along (score: 1)
Author: Alek Petkovic <vk6apk@bigpond.com>
Date: Thu, 17 Apr 2014 05:41:28 +0800
Starting to sound like a spare amp. :-) Alek. VK6APK A full set of power supply caps and the equalizing resistors, A spare set of rectifier diodes (as an alternative - consider a complete power suppl
/archives//html/Amps/2014-04/msg00152.html (10,583 bytes)

271. Re: [Amps] Is this relay suitable for 1kw+ RF? (score: 1)
Author: Alek Petkovic <vk6apk@bigpond.com>
Date: Fri, 18 Apr 2014 06:28:51 +0800
Dunno but before you buy anything, look at http://www.ur4ll.net/#relays You might find something eminently more suitable and at the best possible price and service second to none. If you have Skype,
/archives//html/Amps/2014-04/msg00168.html (8,791 bytes)

272. Re: [Amps] 3-500Z pin comes unsoldered (score: 1)
Author: Alek Petkovic <vk6apk@bigpond.com>
Date: Wed, 14 May 2014 11:31:05 +0800
More than that. It most likely means the spring tension on the clips is inadequate and needs to be fixed. You can blow a hurricane at the socket pins, if the springs are weak, the connection to the p
/archives//html/Amps/2014-05/msg00086.html (11,320 bytes)

273. Re: [Amps] RG6 Power Handling (score: 1)
Author: Alek Petkovic <vk6apk@bigpond.com>
Date: Thu, 19 Jun 2014 05:46:19 +0800
Correct. I know someone who uses RG58 and runs 3kW, day in, day out, over the last 5 years. Alek. VK6APK. PS: Not me. I don't have an antenna for top band. Wow, Thanks to Ed, KB5GT for this power and
/archives//html/Amps/2014-06/msg00050.html (9,391 bytes)

274. Re: [Amps] address change (score: 1)
Author: Alek Petkovic <vk6apk@bigpond.com>
Date: Thu, 19 Jun 2014 05:54:41 +0800
Subscribe with the new address first, to make sure you don't miss anything. Then un-subscribe with the old address. Alek VK6APK 73 Peter G3RZP _______________________________________________ Amps mai
/archives//html/Amps/2014-06/msg00051.html (7,507 bytes)

275. Re: [Amps] RG6 Power Handling (score: 1)
Author: Alek Petkovic <vk6apk@bigpond.com>
Date: Fri, 20 Jun 2014 06:00:59 +0800
RG142 Alek. VK6APK what 50 coax cable would be recommended for the internal wiring of a compact 160-10m legal limit amplifier? I'm looking for a cable thinner than RG-8, much more flexible, non-foam
/archives//html/Amps/2014-06/msg00060.html (9,251 bytes)

276. Re: [Amps] 9500 for sale (score: 1)
Author: Alek Petkovic <vk6apk@bigpond.com>
Date: Fri, 18 Jul 2014 06:30:36 +0800
At http://swap.qth.com/ there is one for sale for $6000.00 in St Louis and there is an ad from a guy on the West coast wanting one. 73, Alek VK6APK It is cosmetically flawless and comes with the oper
/archives//html/Amps/2014-07/msg00064.html (8,744 bytes)

277. Re: [Amps] MLA-2500 problem (score: 1)
Author: Alek Petkovic <vk6apk@bigpond.com>
Date: Sat, 23 Aug 2014 06:46:16 +0800
R5, R6 and R7, 1 Megohm, 2 Watt, resistors, in the HV metering circuit have probably gone a bit high. Dunno if they would go so high as to give you only 800V indicated but I would check and/or change
/archives//html/Amps/2014-08/msg00058.html (8,734 bytes)

278. Re: [Amps] Amp Conversion Update (score: 1)
Author: Alek Petkovic <vk6apk@bigpond.com>
Date: Sun, 31 Aug 2014 06:56:40 +0800
I use these. Available in all sizes, metric and imperial and mixed. Buy as many or as few as you want. http://www.ebay.com/sch/i.html?_from=R40&_trksid=p2050601.m570.l1311.R1.TR2.TRC1.A0.H0.Xflexible
/archives//html/Amps/2014-08/msg00072.html (8,899 bytes)

279. Re: [Amps] Henry 3k Filament transformer taps (score: 1)
Author: Alek Petkovic <vk6apk@bigpond.com>
Date: Mon, 08 Sep 2014 15:28:32 +0800
You have to have a 21 Amp load on the winding to properly measure the voltage. 73, Alek. VK6APK On 8/09/2014 7:09 AM, glenn riccio wrote: Hello all you henry radio amp owners. I just bought a Henry 3
/archives//html/Amps/2014-09/msg00004.html (8,782 bytes)

280. Re: [Amps] Amp Supply LK500ZB - strange failure mode (score: 1)
Author: Alek Petkovic <vk6apk@bigpond.com>
Date: Fri, 03 Oct 2014 11:25:09 +0800
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 and swapping the resul
/archives//html/Amps/2014-10/msg00008.html (10,711 bytes)


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