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181. [AMPS] triple and dual 4cx250 circuits (score: 1): Author: nospam4me@juno.com (nospam4me@juno.com); Date: Wed, 25 Apr 2001 21:17:57 -0700; - Just a memory jog... I have scanned the ARRL versions of the six and two meter - triple and dual tube 4cx250 amplifier projects and placed them on the http://sonic.ucdavis.edu amateur radio page(s); /archives//html/Amps/2001-04/msg00535.html (7,468 bytes)
182. [AMPS] SB 230 on six conversion amp (score: 1): Author: nospam4me@juno.com (nospam4me@juno.com); Date: Sat, 3 Mar 2001 12:19:50 -0800; Hi Jon, - It's a great deal just for the parts alone. If you need a six meter amplifier your set with this one. Yes, the 8873 is a hens tooth to find, but like the 3-1000z glass cousin, they are arou; /archives//html/Amps/2001-03/msg00030.html (8,728 bytes)
183. [AMPS] input Z value (score: 1): Author: nospam4me@juno.com (nospam4me@juno.com); Date: Tue, 6 Mar 2001 18:26:15 -0800; re: unknown tube input impedance. - I'm in the process of writing an article which will be part rewrite of my Dentron GLA-1000 upgrade/ update and conversion. It also contains a bit of criticism abou; /archives//html/Amps/2001-03/msg00050.html (8,234 bytes)
184. [AMPS] min C tune cap (score: 1): Author: nospam4me@juno.com (nospam4me@juno.com); Date: Sun, 11 Mar 2001 09:41:04 -0800; Hi KRS, - I have a similar setup, the 10m cap value worked out to be well less than 45pf, often using less than 7pf tune C. Since the tube has a high Cout, conventional circuits don't work with tune; /archives//html/Amps/2001-03/msg00085.html (8,194 bytes)
185. [AMPS] amps items listed and mentioned (score: 1): Author: nospam4me@juno.com (nospam4me@juno.com); Date: Thu, 15 Mar 2001 10:26:01 -0800; - Hello Will and Group, - I find the occasional Ebay "Hype of the Moment" Amp mention quite interesting. Especially since I also have an unbuilt SB-1000 in the box, sitting quiet and cool in the back; /archives//html/Amps/2001-03/msg00144.html (8,253 bytes)
186. [AMPS] RCA and Phone Plug Labels (score: 1): Author: nospam4me@juno.com (nospam4me@juno.com); Date: Thu, 15 Mar 2001 10:14:47 -0800; Hello again, - I'm under the impression the RCA Connector might be a trade marked name, but it does describe the item in it's most popular form. It might also be called a phono plug variant in it's g; /archives//html/Amps/2001-03/msg00145.html (8,254 bytes)
187. Fw: [AMPS] Low B+ on Titan 425 (score: 1): Author: nospam4me@juno.com (nospam4me@juno.com); Date: Fri, 23 Mar 2001 12:49:24 -0800; Hi Stan, - Like Phil, I agree that the filter capacitor bank would be near the top of a list of things to check first. I have repaired a quantity of Alpha amplifiers with similar symptoms, but not wi; /archives//html/Amps/2001-03/msg00224.html (8,428 bytes)
188. Fw: [AMPS] Microwave oven transformers?? (score: 1): Author: nospam4me@juno.com (nospam4me@juno.com); Date: Sat, 24 Mar 2001 00:11:55 -0800; Hi Mark, I'm told it was an ARRL QEX Article that had the information. I have not been able to obtain a copy of it yet, I've been chasing it for some time now. - I think the actual year/month was men; /archives//html/Amps/2001-03/msg00228.html (7,956 bytes)
189. [AMPS] 10 transistor solid state amp (score: 1): Author: nospam4me@juno.com (nospam4me@juno.com); Date: Mon, 26 Mar 2001 21:26:36 -0800; a look inside a broadband solid state amplifier I know... I know... ...but any of your that would like to see the inside of a broad band ten transistor mobile amplifier might want to look at this one; /archives//html/Amps/2001-03/msg00276.html (7,061 bytes)
190. [AMPS] beam "sweep" tube amplifiers (score: 1): Author: nospam4me@juno.com (nospam4me@juno.com); Date: Tue, 6 Feb 2001 20:32:36 -0800; re: Beam "Sweep" tube amplifier circuits - Bill Smith has been asking about the Dentron and & Sevtlana conversion circuit related to the grid placement. A topic which I've been doing quite a bit of h; /archives//html/Amps/2001-02/msg00168.html (11,544 bytes)
191. [AMPS] it's back, but now on Ebay (score: 1): Author: nospam4me@juno.com (nospam4me@juno.com); Date: Mon, 19 Feb 2001 18:40:39 -0800; - No one seemed to want that high quality 3-tube 4-1K amplifier on the yahoo auction site... so it's moved over to Ebay for your viewing pleasure. - THREE TUBE 4-1000 AMPLIFIER++++BIG TIME++++ Item #; /archives//html/Amps/2001-02/msg00253.html (7,015 bytes)
192. [AMPS] 4cx250 amp (score: 1): Author: nospam4me@juno.com (nospam4me@juno.com); Date: Sat, 24 Feb 2001 17:02:42 -0800; There is one of the classic "handbook amplifiers" on http://sonic.ucdavis.edu using 4cx250's cheers skipp [snip] hello! i just bought a 145 mhz,Built acording to k2riw. tube amp with dual 4cx250b,is; /archives//html/Amps/2001-02/msg00324.html (6,945 bytes)
193. [AMPS] add a Filament Xfmr center tap. (score: 1): Author: nospam4me@juno.com (nospam4me@juno.com); Date: Tue, 27 Feb 2001 20:13:29 -0800; Bruce, - A pair of low value resistors, from each side of the winding to ground make a center tap. One 10 to 20 ohm resistor on each side to ground worked for me in a past project. You get heat as a; /archives//html/Amps/2001-02/msg00367.html (7,679 bytes)
194. [AMPS] pride DX-300 and KW-1 versions... (score: 1): Author: nospam4me@juno.com (nospam4me@juno.com); Date: Tue, 27 Feb 2001 20:43:33 -0800; hello - You both are talking two different amplifier - transmitter combinations. Jeff is talking about amplifiers made for the more advanced CB Operator, the Pride DX-300 being one I've mentioned bef; /archives//html/Amps/2001-02/msg00368.html (8,531 bytes)
195. [AMPS] re:On-off, or leave it on? (score: 1): Author: nospam4me@juno.com (nospam4me@juno.com); Date: Mon, 1 Jan 2001 16:10:33 -0800; Just my two cents. - I have many a power device with direct and indirectly heated filaments/cathodes, in applications at my work, where the typical hours of the device service life are metered and lo; /archives//html/Amps/2001-01/msg00026.html (8,526 bytes)
196. [AMPS] viewstart amplifier (score: 1): Author: nospam4me@juno.com (nospam4me@juno.com); Date: Fri, 5 Jan 2001 20:39:59 -0800; - On ebay there's a Viewstar amplifier listed (and already going out of sight). There are some pretty nice internal views for those who want to have a peek. - I have nothing to do with the auction...; /archives//html/Amps/2001-01/msg00192.html (7,367 bytes)
197. [AMPS] cheap shots... (score: 1): Author: nospam4me@juno.com (nospam4me@juno.com); Date: Fri, 5 Jan 2001 20:36:30 -0800; re: Cheap Shots - I take Rich's suggestions a lot more serious than much of the other fix's given by other "amp experts." - I haven't found anything on his extensive web site that indicates his infor; /archives//html/Amps/2001-01/msg00193.html (7,265 bytes)
198. [AMPS] viewstar amplifier (score: 1): Author: nospam4me@juno.com (nospam4me@juno.com); Date: Sat, 6 Jan 2001 10:23:05 -0800; - About the Viewstar... - - Hi Jim, - Compared to today's "Ebay Prices," it went pretty cheap. I'd like to get a look/copy of the circuit diagram if anyone has one to share. - - There are a series/ge; /archives//html/Amps/2001-01/msg00213.html (9,267 bytes)
199. [AMPS] w6sai on Email (score: 1): Author: nospam4me@juno.com (nospam4me@juno.com); Date: Sun, 7 Jan 2001 13:03:04 -0800; Hello there, - Probably not, unless it's very recient. I received and Email from him about a year back. I thought he was an amps member. I seemed to remember his Email address is w6sai@aol.com - I'm; /archives//html/Amps/2001-01/msg00297.html (7,107 bytes)
200. [AMPS] Solid State T/R Relay Problems. (score: 1): Author: nospam4me@juno.com (nospam4me@juno.com); Date: Mon, 8 Jan 2001 19:18:43 -0800; - From: "Jeff Wolf" <da_kang@hotmail.com> - Not true, they may be present in a lot of amplifiers, but not most of them. Your still living in the HF world where broad band CB amps are common and mass; /archives//html/Amps/2001-01/msg00300.html (8,507 bytes)

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