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21. Re: [Amps] AL-811 & 572's (score: 1): Author: mitch cox <ww4cox@embarqmail.com>; Date: Fri, 21 Jan 2011 13:56:40 -0500 (EST); Something like this works great with a fan from an AL80B. -- Original Message -- From: "Charles Mills" <w3yni1@gmail.com> To: "mitch cox" <ww4cox@embarqmail.com> Cc: "Thomas F. Giella NZ4O" <nz4o@tam; /archives//html/Amps/2011-01/msg00251.html (10,558 bytes)
22. Re: [Amps] Henry 2KD-5 Problem (score: 1): Author: "Mitch Cox" <ww4cox@embarqmail.com>; Date: Thu, 26 May 2011 18:32:14 -0400; Last night I was using my 2KD-5, and it was working fine. After making several transmissions with no problem, it made a loud pop when keyed. Now the grid current indication goes off scale in the nega; /archives//html/Amps/2011-05/msg00238.html (8,865 bytes)
23. Re: [Amps] Henry 2KD-5 Problem (score: 1): Author: "Mitch Cox" <ww4cox@embarqmail.com>; Date: Thu, 26 May 2011 18:41:20 -0400; Hi Ed, sounds like a leakage to ground somewhere on the B+ side of the plate supply. Perhaps a HV feed through lost it's insulation or plate bypass or some other component in the B+ circuit has devel; /archives//html/Amps/2011-05/msg00240.html (9,572 bytes)
24. Re: [Amps] Henry 2KD-5 Problem (score: 1): Author: "Mitch Cox" <ww4cox@embarqmail.com>; Date: Thu, 26 May 2011 18:55:47 -0400; Since the grids are grounded to the chassis most likely got a meter shunt resistor or 2. -- Original Message -- From: Jim W7RY To: Mitch Cox ; ED MCKIE ; amps@contesting.com Sent: Thursday, May 26, 2; /archives//html/Amps/2011-05/msg00243.html (10,438 bytes)
25. Re: [Amps] Meter issue (score: 1): Author: "Mitch Cox" <ww4cox@embarqmail.com>; Date: Fri, 27 May 2011 21:45:24 -0400; I've been trouble shooting a problem in my amp with the Ip and Ig metering. I've got parallel 1n4004 diodes with opposite polarity accross the meter terminals of each Ip and the Ig meter, nothing new; /archives//html/Amps/2011-05/msg00257.html (8,072 bytes)
26. Re: [Amps] Meter issue (score: 1): Author: "Mitch Cox" <ww4cox@embarqmail.com>; Date: Fri, 27 May 2011 21:48:24 -0400; I've been trouble shooting a problem in my amp with the Ip and Ig metering. I've got parallel 1n4004 diodes with opposite polarity accross the meter terminals of each Ip and the Ig meter, nothing new; /archives//html/Amps/2011-05/msg00259.html (7,699 bytes)
27. Re: [Amps] Meter issue (score: 1): Author: "Mitch Cox" <ww4cox@embarqmail.com>; Date: Fri, 27 May 2011 22:15:49 -0400; Recently, someone explained that diodes alone don't protect meters. The 0.6v across the diode is enough to seriously damage many meters. I found out the hard way the other day when I was trying to fi; /archives//html/Amps/2011-05/msg00261.html (12,198 bytes)
28. Re: [Amps] Should a blower run after amp shutdown? (score: 1): Author: "Mitch Cox" <ww4cox@embarqmail.com>; Date: Fri, 3 Jun 2011 18:18:43 -0400; Before you 2 get into an electronic pissing contest over a constant voltage transformer please read the subject line. The gentleman asked if you should run a blower after amp shut down. Noooo he was; /archives//html/Amps/2011-06/msg00033.html (11,511 bytes)
29. Re: [Amps] al-811 wont transmit (score: 1): Author: "ww4cox@embarqmail.com" <ww4cox@embarqmail.com>; Date: Sat, 18 Jun 2011 07:57:18 -0400; Did you forget to hook up the key line between the amp and radio? The amp won't key without one. Hey Boys and Girls, I just picked up a used 811. I was told it was tested prior to me picking it up wi; /archives//html/Amps/2011-06/msg00214.html (8,381 bytes)
30. Re: [Amps] al-811 wont transmit (score: 1): Author: "Mitch Cox" <ww4cox@embarqmail.com>; Date: Sat, 18 Jun 2011 09:19:03 -0400; I have had 2 customers this week that asked that same question. They had no idea there was a key line that needed to be connected. Both were first time amplifier owners and they thought an amp keyed; /archives//html/Amps/2011-06/msg00217.html (10,463 bytes)
31. Re: [Amps] Using an oil capacitor (score: 1): Author: "Mitch Cox" <ww4cox@embarqmail.com>; Date: Sun, 19 Jun 2011 16:28:46 -0400; Yours does not sound like a photo-flash or pulse rated capacitor. You should be good to go with that one. All of the conversation so far has been about pulse rated as opposed to capacitors like yours; /archives//html/Amps/2011-06/msg00246.html (13,169 bytes)
32. Re: [Amps] Centurion (score: 1): Author: "Mitch Cox" <ww4cox@embarqmail.com>; Date: Sun, 19 Jun 2011 16:31:34 -0400; I believe what he is saying is that the bar graph, peak reading display is showing power by being lit up after one of the transistors shorted. They also have a mechanical meter installed on that unit; /archives//html/Amps/2011-06/msg00248.html (8,877 bytes)
33. Re: [Amps] Centurion (score: 1): Author: "Mitch Cox" <ww4cox@embarqmail.com>; Date: Sun, 19 Jun 2011 16:36:37 -0400; I would send the old display board back to Ten-Tec and swap it with them for the newer updated version and problem solved. They are very good about board swapping. -- Original Message -- From: Dan At; /archives//html/Amps/2011-06/msg00250.html (9,473 bytes)
34. Re: [Amps] Need T/R Relay for Henry 2KD-2 (score: 1): Author: "Mitch Cox" <ww4cox@embarqmail.com>; Date: Sun, 3 Jul 2011 22:12:48 -0400; I need an open frame 3PDT ceramic relay to replace the T/R relay in a Henry 2KD-2. !2 VAC or 12 VDC. The middle contact can be single throw, normally open. I'm trying to keep it original. If anybody; /archives//html/Amps/2011-07/msg00027.html (7,726 bytes)
35. Re: [Amps] Hunter 2000c Low Output. (score: 1): Author: "Mitch Cox" <ww4cox@embarqmail.com>; Date: Sun, 17 Jul 2011 00:30:25 -0400; The first thing I would be looking for after first checking the incoming AC voltage would be an open rectifier or capacitor in the power supply section. But first you need to make sure that the incom; /archives//html/Amps/2011-07/msg00195.html (8,429 bytes)
36. Re: [Amps] Hunter 2000c Low Output. (score: 1): Author: "Mitch Cox" <ww4cox@embarqmail.com>; Date: Sun, 17 Jul 2011 12:28:18 -0400; Regardless of what the correct plate voltage should be, he says his was at 3400 volts and now that has fallen a considerable amount with output power going down with it. This would seem to indicate o; /archives//html/Amps/2011-07/msg00202.html (13,302 bytes)
37. Re: [Amps] Hunter 2000c Low Output. (score: 1): Author: "Mitch Cox" <ww4cox@embarqmail.com>; Date: Sun, 17 Jul 2011 14:38:34 -0400; During the past 35 years I have seen well over 100 Hunter amplifiers come in and go out. Doesn't matter what's involved the gentleman explained his problem well. It doesn't matter what is supposed, w; /archives//html/Amps/2011-07/msg00206.html (16,609 bytes)
38. Re: [Amps] Hunter 2000c Low Output. (score: 1): Author: "Mitch Cox" <ww4cox@embarqmail.com>; Date: Sun, 17 Jul 2011 14:46:31 -0400; And since you brought it up, I have noticed on this site that offering an opinion or trying to help someone at times is like fighting off fire ants. You really should temper some of your comments and; /archives//html/Amps/2011-07/msg00207.html (16,053 bytes)
39. Re: [Amps] Hunter 2000c Low Output. (score: 1): Author: "Mitch Cox" <ww4cox@embarqmail.com>; Date: Sun, 17 Jul 2011 15:22:29 -0400; Hmmmm, without a callsign you may even be a CBer for all we know, that might explain things. During the past 35 years I have seen well over 100 Hunter amplifiers come in and go out. Doesn't matter wh; /archives//html/Amps/2011-07/msg00209.html (18,289 bytes)
40. Re: [Amps] Ameritron AL-80B (score: 1): Author: "Mitch Cox" <ww4cox@embarqmail.com>; Date: Mon, 12 Sep 2011 18:36:14 -0400; Hi I have a AL-80B, all bands is ok. But it have max 300w on 10m. Any idea how to find out why? Any one have had same problem? sent by HTC LA6FJA K3RAG Stein Roar Brobakken __________________________; /archives//html/Amps/2011-09/msg00043.html (7,218 bytes)

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