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221. Re: [Amps] measuring rf colis (score: 1)
Author: "Will Matney" <craxd1@verizon.net>
Date: Tue, 24 Jan 2006 20:47:03 -0500
Chuck, Most stock chokes are measured at frequencies around 1 and 10 kHz using a precision LCR (bridge) meter. I have both the analog and digital bridges here and use both. There are some LCR meters
/archives//html/Amps/2006-01/msg00596.html (7,829 bytes)

222. Re: [Amps] measuring rf colis (score: 1)
Author: "Will Matney" <craxd1@verizon.net>
Date: Tue, 24 Jan 2006 21:42:58 -0500
Conrad, I spoke to the designer of this LCR meter a while back about converting the kit to a bench meter and decided against it. The reason for me was that the components needed to be mounted as clos
/archives//html/Amps/2006-01/msg00599.html (14,218 bytes)

223. Re: [Amps] measuring rf colis (score: 1)
Author: "Will Matney" <craxd1@verizon.net>
Date: Wed, 25 Jan 2006 00:35:13 -0500
Mike, The Tek is a decent analog LCR meter. I've seen them for sell on eBay some. Boonton stuff is good the same as the old Genrad and ESI meters. The major problem though if you go back too far in m
/archives//html/Amps/2006-01/msg00602.html (16,859 bytes)

224. Re: [Amps] Pspice models for power grid tubes (score: 1)
Author: "Will Matney" <craxd1@verizon.net>
Date: Thu, 26 Jan 2006 18:26:21 -0500
Jeff, You may have to find some older tube books on ebay or one of the online book sellers from the 40's and 50's. You may also want to give Eimac, or maybe MPD (GE) a call and see if they have any o
/archives//html/Amps/2006-01/msg00621.html (10,040 bytes)

225. Re: [Amps] power supply for larger solid-state amps (score: 1)
Author: "Will Matney" <craxd1@verizon.net>
Date: Sat, 28 Jan 2006 09:38:14 -0500
Scott, No, $500 is way over the mark even for a regulated homebrew supply or new. Forget paying retail for Astron. You have a few options; (1) By from ebay. I've seen Astron and others sell for well
/archives//html/Amps/2006-01/msg00643.html (11,324 bytes)

226. Re: [Amps] What blower? (score: 1)
Author: "Will Matney" <craxd1@verizon.net>
Date: Sat, 28 Jan 2006 20:08:57 -0500
I once dated a girl that reminded me of a hoover vacuum! LOL Best. Will ** REPLY SEPARATOR ** _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contes
/archives//html/Amps/2006-01/msg00652.html (10,226 bytes)

227. Re: [Amps] What blower? (score: 1)
Author: "Will Matney" <craxd1@verizon.net>
Date: Sat, 28 Jan 2006 23:09:20 -0500
We had discussed using the new infrared aimable thermometers for this. You aim the laser dot and read the temp. I was thinking Rich Measures was going to try this out using a Fluke model. If it was a
/archives//html/Amps/2006-01/msg00659.html (9,744 bytes)

228. Re: [Amps] What blower? (score: 1)
Author: "Will Matney" <craxd1@verizon.net>
Date: Sat, 28 Jan 2006 23:47:10 -0500
Tomm, Yes, it sure does. I have done that in the past, and even snaked a temp wire into a coil when winding it then pulled it out later on. The hottest spot in each coil is in its center and mid ways
/archives//html/Amps/2006-01/msg00663.html (12,901 bytes)

229. Re: [Amps] AC to DC (score: 1)
Author: "Will Matney" <craxd1@verizon.net>
Date: Sat, 28 Jan 2006 23:55:25 -0500
Johns correct. I'm not for sure what the relay looks like, but some had a set screw on the armature which prevented it from fully closing. It was set for a paper thin air gap. A small pieace of paper
/archives//html/Amps/2006-01/msg00664.html (9,082 bytes)

230. Re: [Amps] What blower? (score: 1)
Author: "Will Matney" <craxd1@verizon.net>
Date: Sun, 29 Jan 2006 00:28:03 -0500
Tomm, They're the same formula published in every transformer book I have including the "Bible" so to speak named Practical Transformer Design, and one written by M.I.T. back in the 50's. I have prob
/archives//html/Amps/2006-01/msg00666.html (17,282 bytes)

231. [Amps] Master Voltohmyst (score: 1)
Author: "Will Matney" <craxd1@verizon.net>
Date: Sun, 29 Jan 2006 07:42:46 -0500
Guys and Gals, I know this is OT but I had to share this. I recently won an RCA Master Voltohmyst off ebay for $38.00. I bid and by mistake did not see the seller had paypal only clear at the bottom
/archives//html/Amps/2006-01/msg00675.html (7,808 bytes)

232. Re: [Amps] Master Voltohmyst (score: 1)
Author: "Will Matney" <craxd1@verizon.net>
Date: Sun, 29 Jan 2006 12:28:09 -0500
Richard, Yes, I fully understand this and see your point. I always take notice if an auction is Paypal only, or if other payments can be made. A lot of the time, if it shows Paypal only, I will e-mai
/archives//html/Amps/2006-01/msg00687.html (12,393 bytes)

233. Re: [Amps] dippers (score: 1)
Author: "Will Matney" <craxd1@verizon.net>
Date: Sun, 29 Jan 2006 12:33:06 -0500
Colin, The handheld part of that meter always reminded me of a big can of tuna : ) Best, Will ** REPLY SEPARATOR ** On 1/29/06 at 8:12 AM k7fm wrote: _______________________________________________ A
/archives//html/Amps/2006-01/msg00688.html (7,580 bytes)

234. [Amps] Speaking of ebay (score: 1)
Author: "Will Matney" <craxd1@verizon.net>
Date: Sun, 29 Jan 2006 12:39:06 -0500
I seen this on ebay and seen it was bringing more than some amps! http://cgi.ebay.com/Unbuilt-Unassembled-Heathkit-IM-28-VTVM_W0QQitemZ5857878085QQcategoryZ48701QQrdZ1QQcmdZViewItem Best, Will ______
/archives//html/Amps/2006-01/msg00689.html (6,865 bytes)

235. Re: [Amps] What blower? (score: 1)
Author: "Will Matney" <craxd1@verizon.net>
Date: Sun, 29 Jan 2006 12:54:53 -0500
Kurt, Your correct. The only way to be able to would have the chimney in place if used. However say on some amps that used 3-500Z's like the SB-220 which were fan cooled only, you should be able to g
/archives//html/Amps/2006-01/msg00693.html (11,863 bytes)

236. Re: [Amps] Master Voltohmyst-Private off list (score: 1)
Author: "Will Matney" <craxd1@verizon.net>
Date: Sun, 29 Jan 2006 13:07:37 -0500
Bill, I thought the same myself but am now stuck waiting to see what he does, and cant bid on another without taking a chance getting stuck buying two of them, LOL! Plus I'm worried this guys going t
/archives//html/Amps/2006-01/msg00694.html (10,001 bytes)

237. [Amps] Master Voltohmyst (score: 1)
Author: "Will Matney" <craxd1@verizon.net>
Date: Sun, 29 Jan 2006 19:07:09 -0500
All, Well things turned out well and the seller agreed to $60 total counting shipping which was actually $1 under what I had promised in all. The meter was worth it as it was like a new one so I'm sa
/archives//html/Amps/2006-01/msg00710.html (8,088 bytes)

238. Re: [Amps] cathode to ground in tetrode amp (score: 1)
Author: "Will Matney" <craxd1@verizon.net>
Date: Mon, 30 Jan 2006 18:56:09 -0500
What I looked at in the schematic didn't make one lick of sense to put a cathode choke to ground on a grid driven amp, then place a shunt resistor across the choke (especially that high of value). Th
/archives//html/Amps/2006-01/msg00735.html (14,059 bytes)

239. Re: [Amps] RF Power Labs V360 PA finals sub (score: 1)
Author: "Will Matney" <craxd1@verizon.net>
Date: Mon, 30 Jan 2006 20:15:42 -0500
Bruce, I've never seen any stud mounted RF transistors with a high output rating, something like 50-60W at the most. The reason why is the heat dissapation of the substrate inside. The stud mount giv
/archives//html/Amps/2006-01/msg00743.html (10,296 bytes)

240. Re: [Amps] [BULK]Re: cathode to ground in tetrode amp (score: 1)
Author: "Will Matney" <craxd1@verizon.net>
Date: Mon, 30 Jan 2006 20:37:42 -0500
Joe, The link is below. No, at the valuse there, it don't make sense at all, or to me I can't see it. I've never seen anything set up that way. http://www.angelfire.com/nb/ni4l/gu84b.html Best, Will
/archives//html/Amps/2006-01/msg00746.html (12,205 bytes)


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