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261. [AMPS] Meter for Dentron GLA-1000 Amplifier (score: 1): Author: philk5pc@tyler.net (Phil Clements); Date: Thu, 15 Mar 2001 11:40:28 -0600; Most of the Dentron stuff I have repaired use standard Modutec meters available off the shelf from Allied electronics and others. The front cover easily snaps off and the old scale can be changed out; /archives//html/Amps/2001-03/msg00143.html (7,591 bytes)
262. [AMPS] QSK kit for SB200 (score: 1): Author: philk5pc@tyler.net (Phil Clements); Date: Sun, 18 Mar 2001 13:51:43 -0600; -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@contesting.com Administrative requests: amps-REQUEST@contesting.com Problems: owner-amps@contesting.com; /archives//html/Amps/2001-03/msg00162.html (7,609 bytes)
263. [AMPS] Metron MA 1000B - help needed (score: 1): Author: philk5pc@tyler.net (Phil Clements); Date: Sun, 18 Mar 2001 19:32:24 -0600; Hi Mike, and fellow amp'ers. You are keying a large mechanical relay on the Metron. Sounds like you are not sinking enough current through your interface. The PTT jack on the Metron shorts to ground; /archives//html/Amps/2001-03/msg00164.html (9,587 bytes)
264. [AMPS] SB-220 Amplifiers and Garage Sales!! (score: 1): Author: philk5pc@tyler.net (Phil Clements); Date: Thu, 22 Mar 2001 10:51:19 -0600; Sound advice! I recently measured the resistors on a SB-200 I had in for repair, and they had increases to nearly 60 ohms from 47 ohms over the years. There were no signs of heating or abuse. It is; /archives//html/Amps/2001-03/msg00192.html (9,008 bytes)
265. [AMPS] Low B+ on Titan 425 (score: 1): Author: philk5pc@tyler.net (Phil Clements); Date: Fri, 23 Mar 2001 14:37:53 -0600; -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@contesting.com Administrative requests: amps-REQUEST@contesting.com Problems: owner-amps@contesting.com; /archives//html/Amps/2001-03/msg00222.html (7,363 bytes)
266. [AMPS] Blue Flashes from SB-200 (score: 1): Author: philk5pc@tyler.net (Phil Clements); Date: Sat, 24 Mar 2001 08:21:20 -0600; What are your plate current, grid current, and plate voltage doing during these "events?" Are they steady, or erratic? What is your resting plate current? (keyed up, but no drive) (((73))) Phil, K5PC; /archives//html/Amps/2001-03/msg00233.html (7,282 bytes)
267. [AMPS] service after the sale (score: 1): Author: philk5pc@tyler.net (Phil Clements); Date: Mon, 26 Mar 2001 11:57:33 -0600; I have talked to many folks who have dealt with Pat, Tom. They all echo your remarks. (((73))) Phil, K5PC -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@contesting.com Administr; /archives//html/Amps/2001-03/msg00269.html (7,063 bytes)
268. [AMPS] service after the sale (score: 1): Author: philk5pc@tyler.net (Phil Clements); Date: Mon, 26 Mar 2001 13:14:49 -0600; Amen, Jim! Paul and Ted have bent over backward to cater to my every whim. When I visit the factory, they treat me like I am a part-owner! I have restored several Henry amps...ground-up. If they don; /archives//html/Amps/2001-03/msg00271.html (7,488 bytes)
269. [AMPS] RFParts 3-500ZG and SB220 (score: 1): Author: philk5pc@tyler.net (Phil Clements); Date: Thu, 29 Mar 2001 23:52:47 -0600; That 600 watts is a maximum rating, Pat. The dissipation heating is caused by the efficiency of the amp. In a class B amp, 35-45% of the energy is turned into heat. All other operating parameters rem; /archives//html/Amps/2001-03/msg00298.html (7,969 bytes)
270. [AMPS] Best 811A tubes?? (score: 1): Author: philk5pc@tyler.net (Phil Clements); Date: Fri, 30 Mar 2001 15:18:25 -0600; I have been using Cetron matched pairs and quads from RF Parts. in CA. with very good success. A lot of old Cetrons that I have tested are over 20 years old, and still firing away. (((73))) Phil, K5P; /archives//html/Amps/2001-03/msg00300.html (7,177 bytes)
271. [AMPS] Amps Power Conservation Measure (score: 1): Author: philk5pc@tyler.net (Phil Clements); Date: Thu, 1 Feb 2001 11:28:06 -0600; Or, a contester could borrow a 32-pill S.S. amp from the local "Shoot-Out" club for the contest. Most Shoot-Outs occur on Sunday afternoon, so the amp could be returned in time for that. This will ge; /archives//html/Amps/2001-02/msg00025.html (8,924 bytes)
272. [AMPS] Additional Tube Brand Questions (score: 1): Author: philk5pc@tyler.net (Phil Clements); Date: Thu, 1 Feb 2001 12:12:31 -0600; The best L4 was the first L4 without the B thad had EIMAC SK sockets and chimney. Great. This is about the time chimneys doubled in price as well as blowers and tank components. This is when we start; /archives//html/Amps/2001-02/msg00028.html (8,295 bytes)
273. [AMPS] SB-220: Operate/Standby Switch (score: 1): Author: philk5pc@tyler.net (Phil Clements); Date: Fri, 2 Feb 2001 09:41:28 -0600; Correct. Better efficiency, and less drive required. Correct again. The "CW" position was to meet the old FCC rules of "1kw INPUT." The switch makes a dandy standby switch, and allows restoration to; /archives//html/Amps/2001-02/msg00058.html (10,132 bytes)
274. [AMPS] Amperex 3-500ZG not cheap in EU (score: 1): Author: philk5pc@tyler.net (Phil Clements); Date: Fri, 2 Feb 2001 09:45:24 -0600; It would be a chortle to see how much Richardson stock is owned by Clinton/Reno. (((73))) Phil, K5PC -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@contesting.com Administrative; /archives//html/Amps/2001-02/msg00060.html (7,597 bytes)
275. [AMPS] SB-220: Operate/Standby Switch (score: 1): Author: philk5pc@tyler.net (Phil Clements); Date: Sat, 3 Feb 2001 19:47:45 -0600; The limitation is no RF for 3 minutes on a 8877. All of Alpha's 8877 amps apply H.V. @ turn-on. The 3 minute timer is in the key-line. Cathode damage will take place if the above limitation is not h; /archives//html/Amps/2001-02/msg00098.html (10,006 bytes)
276. [AMPS] SB-220: Operate/Standby Switch (score: 1): Author: philk5pc@tyler.net (Phil Clements); Date: Sun, 4 Feb 2001 10:38:25 -0600; I too will miss the E-Mails from Bill and the benefit of his vast experience. Luckily, most of it has been written down...what a great legacy for future generations! As I see the passing of the WW I; /archives//html/Amps/2001-02/msg00102.html (10,209 bytes)
277. [AMPS] SB-221 STANDY SWITCH (score: 1): Author: philk5pc@tyler.net (Phil Clements); Date: Tue, 6 Feb 2001 09:16:43 -0600; Invest your time and money in a step-start and the other glitch mods. I can't think of a single advantage of separate HV control. (((73))) Phil, K5PC -- FAQ on WWW: http://www.contesting.com/FAQ/amp; /archives//html/Amps/2001-02/msg00138.html (7,197 bytes)
278. [AMPS] SB-220: Operate/Standby Switch (score: 1): Author: philk5pc@tyler.net (Phil Clements); Date: Tue, 6 Feb 2001 09:41:09 -0600; Amen, Paul. We are prolonging emisson here. An added bonus of a resistor/rheostat in the primary of the filament transformer is a bit of inrush protection that is there all the time. In some of Henr; /archives//html/Amps/2001-02/msg00140.html (10,052 bytes)
279. [AMPS] SB-220: Operate/Standby Switch (score: 1): Author: philk5pc@tyler.net (Phil Clements); Date: Tue, 6 Feb 2001 09:50:36 -0600; That is why the wattmeter should be looked at when adjusting filament voltage...to make sure the emission is not being reduced. A lot of ham shacks I've seen have modest a.c. wiring with long runs b; /archives//html/Amps/2001-02/msg00142.html (9,627 bytes)
280. [AMPS] Roller Inductors vs. Bandswitches ... which is best? (score: 1): Author: philk5pc@tyler.net (Phil Clements); Date: Tue, 6 Feb 2001 19:46:10 -0600; . I've been contemplating the same thing. I've got I don't know if you are planning on 160-10 meters, but I too like the way Henry does it. Their roller coils are ganged together so that the Pi and L; /archives//html/Amps/2001-02/msg00166.html (8,968 bytes)

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