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321. [AMPS] sonic server updates.... (score: 1): Author: nospam4me@juno.com (nospam4me@juno.com); Date: Mon, 31 Jan 2000 08:34:03 -0800; OK (some of ) you guys, It's browser 101 class time... When some of you "click" over to the sonic server, your not able to see the additions and changes because your browser is reloading the page fro; /archives//html/Amps/2000-01/msg00589.html (7,611 bytes)
322. [AMPS] ebay deal (score: 1): Author: nospam4me@juno.com (nospam4me@juno.com); Date: Wed, 8 Dec 1999 21:30:49 -0800; re: ebay sale, sb 200 converted to 6 meters There's an SB-200 at auction on Ebay. One of the 6 meter conversion packages by the seller, K1MH Carl. You can reach him by the Email address of k1mh@juno.; /archives//html/Amps/1999-12/msg00061.html (7,279 bytes)
323. [AMPS] 4x150 vs 4cx250 (score: 1): Author: nospam4me@juno.com (nospam4me@juno.com); Date: Thu, 9 Dec 1999 21:44:35 -0800; Hello Steve, Yes, the 4x150 and 4cx250 operate in similar circuits. With the obvious differences in anode capacity, the 4cx250 has slightly higher values of internal element capacitance Cin, Cgp & Co; /archives//html/Amps/1999-12/msg00100.html (7,654 bytes)
324. [AMPS] Email from up North East way.. (score: 1): Author: nospam4me@juno.com (nospam4me@juno.com); Date: Fri, 10 Dec 1999 18:09:52 -0800; You may contact Carl by Email now, I received this today... about u His Ebay SB-200 sale of course... ___________________________________________________________________ Why pay more to get Web acces; /archives//html/Amps/1999-12/msg00101.html (7,259 bytes)
325. [AMPS] North East (score: 1): Author: nospam4me@juno.com (nospam4me@juno.com); Date: Fri, 10 Dec 1999 23:52:11 -0800; Don't know Phil. I just wanted to let everyone know he can be found at the old address. If the F'lander reads the amps list, he can now contact him directly. ... is Carl aware of this 'thing' with th; /archives//html/Amps/1999-12/msg00107.html (6,966 bytes)
326. [AMPS] 17.2kHz Transmissions (score: 1): Author: nospam4me@juno.com (nospam4me@juno.com); Date: Mon, 13 Dec 1999 22:04:57 -0800; I could use an oscillator into my krell audio amplifier into a long fence and reply in CW... Now I just need a receiver.... skipp Any idea of the power level they'll be using at air time..? cheers __; /archives//html/Amps/1999-12/msg00147.html (7,268 bytes)
327. [AMPS] SB-230 re-tube (score: 1): Author: nospam4me@juno.com (nospam4me@juno.com); Date: Mon, 13 Dec 1999 21:56:44 -0800; Bill, If you would have sold me that amplifier years ago when I tried to buy it, you wouldn't have this problem now... Use the same type of tube if you can find one... I find them surplus quite a bit; /archives//html/Amps/1999-12/msg00148.html (7,449 bytes)
328. [AMPS] Heathkit SB 230 8873 retube options (score: 1): Author: nospam4me@juno.com (nospam4me@juno.com); Date: Tue, 14 Dec 1999 08:20:50 -0800; re: 8873 in the SB-230 - Hello again, - The big deal about all of this is the Heathkit SB-230 is conduction cooled. A tube replacement of the same type is a lot less work. Modification of the amplifi; /archives//html/Amps/1999-12/msg00155.html (8,397 bytes)
329. [AMPS] BeO Cautions (score: 1): Author: nospam4me@juno.com (nospam4me@juno.com); Date: Tue, 14 Dec 1999 20:35:08 -0800; Only if you grind or saw on the block, then breath enough of the dust into your lungs to cause a problem. cheers skipp ___________________________________________________________________ Why pay mor; /archives//html/Amps/1999-12/msg00165.html (7,221 bytes)
330. [AMPS] 8873's on ebay (score: 1): Author: nospam4me@juno.com (nospam4me@juno.com); Date: Tue, 14 Dec 1999 20:39:15 -0800; .. maybe my problem is I don't know where to get a replacement 8873 for I received this unobtanium these There are two 8873's on Ebay for sale... get moving cheers skipp _____________________________; /archives//html/Amps/1999-12/msg00166.html (7,054 bytes)
331. [AMPS] G2DAF and super cathode (score: 1): Author: nospam4me@juno.com (nospam4me@juno.com); Date: Sat, 18 Dec 1999 11:57:10 -0800; OK, I missed the start of all this again. Is the G2DAF design just another super cathode drive amplifier? ... or is the hook for the circuit a positive potential on the screen grid..? Someone please; /archives//html/Amps/1999-12/msg00222.html (9,001 bytes)
332. [AMPS] BeO Cautions (score: 1): Author: nospam4me@juno.com (nospam4me@juno.com); Date: Sat, 18 Dec 1999 12:06:22 -0800; Any dust is bad dust. To avoid confusion let me quote a data sheet about crystalline silica compounds. "... which may cause lung cancer. Inhalation of dust from grinding cured material may cause lung; /archives//html/Amps/1999-12/msg00223.html (8,402 bytes)
333. [AMPS] drive derived screen potential (score: 1): Author: nospam4me@juno.com (nospam4me@juno.com); Date: Sun, 19 Dec 1999 00:24:33 -0800; hello, I want to thank Ian and Colin for your quick replies about eh DAF circuit. Reminds me of a circuit used by Norm (w6edd) in his two 4cx250b amplifier. He controlled the screen voltage with driv; /archives//html/Amps/1999-12/msg00227.html (8,251 bytes)
334. [AMPS] 4cx250B circuit ideas ... (score: 1): Author: nospam4me@juno.com (nospam4me@juno.com); Date: Sun, 19 Dec 1999 01:01:52 -0800; Hi Phil, I've had great luck with the following circuits in my 4cx250 amplifier. Screen grid regulated (zener shunt method) to +340 Vdc The control grid supply is variable by using a 500 ohm 2 watt p; /archives//html/Amps/1999-12/msg00228.html (8,873 bytes)
335. [AMPS] daf thank you (score: 1): Author: nospam4me@juno.com (nospam4me@juno.com); Date: Sun, 19 Dec 1999 09:44:27 -0800; Colin, Thank you for the daf amplifier low down. Was the amplifier designed for ssb or am operation? Is the circuit available in any past Mags or Handbooks? It's at least worth having a look at. than; /archives//html/Amps/1999-12/msg00237.html (7,836 bytes)
336. [AMPS] cautions on crystalline Silica (score: 1): Author: nospam4me@juno.com (nospam4me@juno.com); Date: Mon, 20 Dec 1999 22:33:04 -0800; Hi Ian, Thank you for the input... just one last bit. The Warning I quoted was direct from a current Varian Product. Base resin of Crystalline Silica. They make the warning statement, I err on the si; /archives//html/Amps/1999-12/msg00323.html (7,554 bytes)
337. [AMPS] daf on-air amplifier testing (score: 1): Author: nospam4me@juno.com (nospam4me@juno.com); Date: Sun, 26 Dec 1999 22:20:41 -0800; [snip] how..? Let me tell you about my testing procedures for Norm's DAF amplifier. During a casual conversation with a weak, out of state mobile on 7255 lsb, very heavy spectral buckshot from an ope; /archives//html/Amps/1999-12/msg00383.html (9,770 bytes)
338. [AMPS] amplifier diagrams and technical information now onhttp://sonic.ucdavis.edu (score: 1): Author: nospam4me@juno.com (nospam4me@juno.com); Date: Tue, 28 Dec 1999 23:55:01 -0800; Hello again, I've been busy with the computer page scanner and software. On my sonic server are the following new items. Circuit diagrams in gif and pdf of the Collins 30S-1, Collins 30L-1, Knight T-; /archives//html/Amps/1999-12/msg00399.html (8,428 bytes)
339. [AMPS] want sb 220 caps (score: 1): Author: nospam4me@juno.com (nospam4me@juno.com); Date: Wed, 29 Dec 1999 09:04:23 -0800; re: want for some old sb 220 caps. hello there, I'd like to buy some used pull capacitors from your sb-220 Harbach or similar upgrade. If you held on to your old capacitor bank and would consider sel; /archives//html/Amps/1999-12/msg00400.html (7,343 bytes)
340. [AMPS] daf amplifier circuit, on air testing... (score: 1): Author: nospam4me@juno.com (nospam4me@juno.com); Date: Thu, 30 Dec 1999 23:50:06 -0800; Hello Peter, From: Peter Sundberg <sm2cew@telia.com> This wise guy contested the signal I heard on 40 meters an adequate distance away, where I shouldn't have heard him. The typical round table with; /archives//html/Amps/1999-12/msg00411.html (11,732 bytes)

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