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41. [Amps] Line voltage high. (score: 1): Author: "Ken Durand" <N4zed@comcast.net>; Date: Sat, 10 Dec 2016 07:05:24 -0500; Hi group, I checked the filament voltage on my FL2100b and it is at 7.2 volts or there about. So I then checked the line voltage going to the amp and it is 257 vac, the amp was built for 220v. The HV; /archives//html/Amps/2016-12/msg00248.html (6,538 bytes)
42. Re: [Amps] Line voltage high. (score: 1): Author: "Ken Durand" <N4zed@comcast.net>; Date: Sat, 10 Dec 2016 13:27:24 -0500; I have re-measured the line voltage using my bench AC Fluke meter and the line voltage is @ 244vac. Note to self...pitch cheap meter. I will need to re-measure the filament voltage. Ken N4zed Hi grou; /archives//html/Amps/2016-12/msg00249.html (7,540 bytes)
43. Re: [Amps] 9500 idle current (score: 1): Author: "Ken Durand" <N4zed@comcast.net>; Date: Sat, 31 Dec 2016 08:15:05 -0500; Well said Jay. Ken N4zed With a good Eimac tube were seeing 80ma plus or minus a few guys. That's the way were setting them up. Just fixed 3 of them. No RF applied while keyed. Jay, WX0B PS and to th; /archives//html/Amps/2016-12/msg00539.html (9,001 bytes)
44. Re: [Amps] Decline of homebrewing? (score: 1): Author: "Ken Durand" <N4zed@comcast.net>; Date: Sun, 8 Jan 2017 14:16:51 -0500; Manfred, I whole hardily agree. I've made some stuff that I shouldn't, that made a great noise, never to damage or destroy property, just the solitude of the area. Then again we grew up for the most; /archives//html/Amps/2017-01/msg00188.html (12,670 bytes)
45. Re: [Amps] Audio/RF compression (score: 1): Author: "Ken Durand" <N4zed@comcast.net>; Date: Thu, 12 Jan 2017 18:02:47 -0500; I've been using WebSDR for over a year now....great service. When running a net on 75 meters you can watch the propagation change over the course of a couple of hours in the early morning. I'm on the; /archives//html/Amps/2017-01/msg00248.html (14,547 bytes)
46. Re: [Amps] Line voltage high. (score: 1): Author: "Ken Durand" <N4zed@comcast.net>; Date: Sat, 21 Jan 2017 18:16:38 -0500; Thanks to all that replied. I change the taps from the 110vac over to the 117vac taps and then I ended up taking the easy way out because I had the wire on hand and added 20" of 20awg wire to each le; /archives//html/Amps/2017-01/msg00286.html (10,601 bytes)
47. Re: [Amps] Line voltage high. (score: 1): Author: "Ken Durand" <N4zed@comcast.net>; Date: Sat, 21 Jan 2017 07:18:27 -0500; Thanks to all that replied. I change the taps from the 110vac over to the 117vac taps and then I ended up taking the easy way out because I had the wire on hand and added 20" of 20awg wire to each le; /archives//html/Amps/2017-01/msg00287.html (10,539 bytes)
48. Re: [Amps] Price per Watt Conversation (score: 1): Author: "Ken Durand" <N4zed@comcast.net>; Date: Sun, 23 Apr 2017 07:53:51 -0400; New NPX LDMOS.... 1800w CW http://www.nxp.com/products/rf/rf-power-transistors/rf-broadcast-and-ism/1-6 00-mhz-broadcast-and-ism/1800-w-cw-over-1.8-470-mhz-65-v-wideband-rf-power-l dmos-transistor:MR; /archives//html/Amps/2017-04/msg00206.html (17,823 bytes)
49. Re: [Amps] FL-2100B input swr problem (score: 1): Author: "Ken Durand" <N4zed@comcast.net>; Date: Fri, 30 Jun 2017 03:57:36 -0400; My 2100 would not tune on 20...the problem WAS one of the caps, that is where I would have started as well. You probably already know this but look for something that is common to all the band's inpu; /archives//html/Amps/2017-06/msg00298.html (8,667 bytes)
50. [Amps] MLA-2500 Tube Conversion (score: 1): Author: "N4zed" <n4zed@comcast.net>; Date: Sun, 10 Oct 2021 10:59:08 -0400; Has anyone here attempted the tube conversion for the Dentron MLA-2500 from the 8875 tube to the 3CX800A7? I have the instructions laid out by LX2KL and I have a filament transformer for the tubes. T; /archives//html/Amps/2021-10/msg00005.html (6,408 bytes)
51. Re: [Amps] MLA-2500 Tube Conversion (score: 1): Author: "N4zed" <n4zed@comcast.net>; Date: Sun, 10 Oct 2021 15:04:59 -0400; Thanks Jay, I have the correct filament transformer. Ken N4zed From: Jay Sturtevant <k2ztdx@gmail.com> Sent: Sunday, October 10, 2021 12:58 PM To: N4zed <n4zed@comcast.net> Cc: Amplifier Reflector <A; /archives//html/Amps/2021-10/msg00009.html (8,615 bytes)
52. Re: [Amps] MLA-2500 Tube Conversion (score: 1): Author: "N4zed" <n4zed@comcast.net>; Date: Sun, 10 Oct 2021 15:08:55 -0400; Thanks Jay Ken N4zed Even if you have the correct output filament transformer, check the primary. I have a few from the olden days of 115 line voltage. 4CX250s want 6.000. My 30L1 wants 115/230, not; /archives//html/Amps/2021-10/msg00010.html (8,597 bytes)
53. Re: [Amps] MLA-2500 Tube Conversion (score: 1): Author: "N4zed" <n4zed@comcast.net>; Date: Tue, 12 Oct 2021 19:09:01 -0400; Change them to philips head. Ken N4zed From: Robert W5AJ <woodr90@gmail.com> Sent: Monday, October 11, 2021 8:03 PM To: N4zed <n4zed@comcast.net> Cc: Amps group <Amps@contesting.com> Subject: Re: [Am; /archives//html/Amps/2021-10/msg00059.html (9,820 bytes)
54. Re: [Amps] MLA-2500 Tube Conversion (score: 1): Author: "N4zed" <n4zed@comcast.net>; Date: Fri, 22 Oct 2021 02:18:13 -0400; Got my Phillips head at Ace Hardware. Ken N4zed Screw #6-32 Searched for Philips or Hex (ALLEN) head at one local hardware store, All too Long Quit driving around and checked other two hardware store; /archives//html/Amps/2021-10/msg00078.html (11,483 bytes)

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