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261. [AMPS] Regulated Screen (score: 1): Author: measures@vcnet.com (measures); Date: Fri, 31 Dec 1999 14:04:32 -0700; -- FAQ on WWW: http://www.contesting.com/ampsfaq.html Submissions: amps@contesting.com Administrative requests: amps-REQUEST@contesting.com Problems: owner-amps@contesting.com Search: http://www.con; /archives//html/Amps/1999-12/msg00440.html (6,609 bytes)
262. [AMPS] Discussions... (score: 1): Author: measures@vcnet.com (measures); Date: Fri, 31 Dec 1999 14:29:36 -0700; Would you like to discuss the 3/2 power law? ..... - Rich..., 805.386.3734, www.vcnet.com/measures. -- FAQ on WWW: http://www.contesting.com/ampsfaq.html Submissions: amps@contesting.com Administrat; /archives//html/Amps/1999-12/msg00443.html (7,109 bytes)
263. [AMPS] knock a 3-500z short loose..? (score: 1): Author: measures@vcnet.com (measures); Date: Fri, 31 Dec 1999 14:29:38 -0700; The hat trick is to fix it so that the tube does not short when at normal operating temp. To do this, you need a tube that exhibits a cold g/f withstanding potential of 6 to 9 kV. To straighten bent; /archives//html/Amps/1999-12/msg00444.html (8,069 bytes)
264. [AMPS] The 3/2 Power Law (score: 1): Author: measures@vcnet.com (measures); Date: Fri, 31 Dec 1999 20:02:17 -0700; The DAF works. It produces about 1% distortion. As I understand it, the 3/2 power law does not apply to all of the interelectrode voltages. cheers - Rich..., 805.386.3734, www.vcnet.com/measures. --; /archives//html/Amps/1999-12/msg00451.html (6,856 bytes)
265. SV: [AMPS] Discussions... (score: 1): Author: measures@vcnet.com (measures); Date: Fri, 31 Dec 1999 20:02:18 -0700; Been there, done that. cheers - Rich..., 805.386.3734, www.vcnet.com/measures. -- FAQ on WWW: http://www.contesting.com/ampsfaq.html Submissions: amps@contesting.com Administrative requests: amps-RE; /archives//html/Amps/1999-12/msg00452.html (7,418 bytes)
266. [AMPS] Trouble shooting 8877 amp (score: 1): Author: measures@vcnet.com (measures); Date: Tue, 30 Nov 1999 19:10:40 -0700; Measure the cathode to grid potential. Measure the cathode to neg. HV potential. - Rich..., 805.386.3734, www.vcnet.com/measures. -- FAQ on WWW: http://www.contesting.com/ampsfaq.html Submissions: a; /archives//html/Amps/1999-11/msg00002.html (8,360 bytes)
267. [AMPS] KM1H (score: 1): Author: measures@vcnet.com (measures); Date: Sun, 31 Oct 1999 22:26:53 -0700; Please name one such URL, Fred? Cashing a cheque for well over $1k and not delivering the stuff is hardly professional. To: <amps@contesting.com> - Rich..., 805.386.3734, www.vcnet.com/measures. --; /archives//html/Amps/1999-11/msg00006.html (8,661 bytes)
268. [AMPS] Cathode Lifetimes (score: 1): Author: measures@vcnet.com (measures); Date: Mon, 1 Nov 1999 06:22:16 -0700; Very roughly 20k hours if one occasionally oils the fan motor and operates the filament no higher than is needed to develop maximum PEP. For operation at excess filament volts, emissive life decreas; /archives//html/Amps/1999-11/msg00024.html (8,891 bytes)
269. [AMPS] KM1H (score: 1): Author: measures@vcnet.com (measures); Date: Mon, 1 Nov 1999 07:08:36 -0700; Thanks, Bill I talked to Carl this morning. He said that the telephone number on the above site is no longer for business calls. 605.655.1170 is now Carl's phone number for business calls. The liste; /archives//html/Amps/1999-11/msg00027.html (10,298 bytes)
270. [AMPS] Cathode Lifetimes (score: 1): Author: measures@vcnet.com (measures); Date: Mon, 1 Nov 1999 07:46:26 -0700; Have you read the ariticle written by General Electric engineer Mr. G. W. Fyler on VHF parasitic oscillations? It was published in 1935 in the IRE Journal. - Rich..., 805.386.3734, www.vcnet.com/mea; /archives//html/Amps/1999-11/msg00029.html (7,775 bytes)
271. [AMPS] KM1H (score: 1): Author: measures@vcnet.com (measures); Date: Mon, 1 Nov 1999 07:46:24 -0700; Yea, verily, Dan. At least in this county, the district attorney takes a very dim view of a business that cashes a cheque and fails to deliver the merchandise. He also vigorously enforces the triple; /archives//html/Amps/1999-11/msg00030.html (12,640 bytes)
272. [AMPS] Re: KM1H (score: 1): Author: measures@vcnet.com (measures); Date: Mon, 1 Nov 1999 07:46:22 -0700; Amen to that, Jim. The word is out. Carl told me that Jean-Michel should call him on the telephone. - Rich..., 805.386.3734, www.vcnet.com/measures. -- FAQ on WWW: http://www.contesting.com/ampsfaq.; /archives//html/Amps/1999-11/msg00031.html (9,464 bytes)
273. [AMPS] Cathode Lifetimes (score: 1): Author: measures@vcnet.com (measures); Date: Mon, 1 Nov 1999 17:12:19 -0700; I published Fyler's summary at the end of his article. I quoted Handy's statement about building vhf suppressors out of resistance wire. What other articles are there? cheers, Phil - Rich..., 805.38; /archives//html/Amps/1999-11/msg00057.html (9,178 bytes)
274. [AMPS] Re: KM1H (score: 1): Author: measures@vcnet.com (measures); Date: Mon, 1 Nov 1999 17:12:21 -0700; Jean-Michel should be talking to the district attorney for Pelham, New Hampshire, Phil - Rich..., 805.386.3734, www.vcnet.com/measures. -- FAQ on WWW: http://www.contesting.com/ampsfaq.html Submissi; /archives//html/Amps/1999-11/msg00058.html (10,820 bytes)
275. [AMPS] Fwd: [dx-list] Henry Amps (score: 1): Author: measures@vcnet.com (measures); Date: Mon, 1 Nov 1999 17:19:00 -0700; To: <amps@contesting.com> For laughs, try measuring the filament voltage of a 2KD-5 at the tube sockets. ...... - Rich..., 805.386.3734, www.vcnet.com/measures. -- FAQ on WWW: http://www.contesting.; /archives//html/Amps/1999-11/msg00060.html (8,036 bytes)
276. [AMPS] KM1H (score: 1): Author: measures@vcnet.com (measures); Date: Tue, 2 Nov 1999 05:46:51 -0700; Carl called his old company Radiokit. He told me that he is now working 16-hour days on a microwave startup company. - Rich..., 805.386.3734, www.vcnet.com/measures. -- FAQ on WWW: http://www.contes; /archives//html/Amps/1999-11/msg00071.html (7,837 bytes)
277. SV: [AMPS] feedback sought: Ameritron AL-80 (score: 1): Author: measures@vcnet.com (measures); Date: Tue, 2 Nov 1999 05:46:53 -0700; To: <amps@contesting.com> Close enough. For a g-g amp., when the grid current is too high, not enough electrons reach the anode and power output decreases. When grid current is too low, the anode po; /archives//html/Amps/1999-11/msg00072.html (8,637 bytes)
278. [AMPS] 2KD-5 (score: 1): Author: measures@vcnet.com (measures); Date: Tue, 2 Nov 1999 05:51:20 -0700; And this was in Japan where they do not have 240v mains. In the U. S., the filament voltage is even higher. tnx, Kazuo. - Rich..., 805.386.3734, www.vcnet.com/measures. -- FAQ on WWW: http://www.con; /archives//html/Amps/1999-11/msg00073.html (7,781 bytes)
279. [AMPS] 2KD-5 (score: 1): Author: measures@vcnet.com (measures); Date: Tue, 2 Nov 1999 07:45:29 -0700; The filament transformer used on the U. S. version appears to have a c. 208v 50/60Hz primary. Indeed, Kazuo. Some alloys of stainless-steel are similar to Nichrome-60. In my 8169/Ugly amplifier, Ins; /archives//html/Amps/1999-11/msg00076.html (8,066 bytes)
280. [AMPS] Cathode Lifetimes (score: 1): Author: measures@vcnet.com (measures); Date: Tue, 2 Nov 1999 15:31:14 -0700; Some of these publications are pretty rare, Dick. Publishing them on a Web site would probably make better sense. For example, Section 5.8, 'Parasitic Suppression Circuits' in *Tubes for R. F. Heati; /archives//html/Amps/1999-11/msg00091.html (9,227 bytes)

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