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161. [AMPS] Re: 8k ultra/ "tuned input" (score: 1): Author: philk5pc@tyler.net (Phil Clements); Date: Thu, 18 Oct 2001 12:54:27 -0500; A few words in defense of Henry is in order here.... The 3CX3000A7 runs just fine with zero bias. Henry elected to add a little bias to cut down a bit on heating of the operating area, which Texans a; /archives//html/Amps/2001-10/msg00376.html (13,501 bytes)
162. [AMPS] Ameritron ALS-600 (score: 1): Author: philk5pc@tyler.net (Phil Clements); Date: Thu, 18 Oct 2001 18:07:39 -0500; Hi Kevin, and welcome to the amps reflector! I have a similar set-up here. It is an Icom 706 Mark II and a Henry SS-750 amp. It is my mobile rig for long trips, but 99% of the time it is right here o; /archives//html/Amps/2001-10/msg00385.html (8,089 bytes)
163. [AMPS] 8k ultra Fil V. (score: 1): Author: philk5pc@tyler.net (Phil Clements); Date: Fri, 19 Oct 2001 21:04:37 -0500; Yes; 7.5 volts @ 51.5 amps...no warm-up required. (((73))) Phil, K5PC -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@contesting.com Administrative requests: amps-REQUEST@contest; /archives//html/Amps/2001-10/msg00407.html (6,694 bytes)
164. [AMPS] MEASURING FILAMENT VOLTAGE (score: 1): Author: philk5pc@tyler.net (Phil Clements); Date: Mon, 22 Oct 2001 06:52:19 -0500; During annual cleaning, inspection, and blower oiling is a good time to check the tension on the tube socket on all the pins. Yes, you will need RF chokes in line to the meter, and a way to adjust fo; /archives//html/Amps/2001-10/msg00422.html (8,795 bytes)
165. [AMPS] Choke input PS question (score: 1): Author: philk5pc@tyler.net (Phil Clements); Date: Mon, 22 Oct 2001 07:04:19 -0500; (((73))) Phil, K5PC -- 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/2001-10/msg00423.html (8,471 bytes)
166. [AMPS] Want: info on Plasma Generator (score: 1): Author: philk5pc@tyler.net (Phil Clements); Date: Sun, 2 Sep 2001 11:13:59 -0500; I have put several FET RF generators on the air. Not your brand,and in the 1200-1600 watt class. Unfortunately, the ferrite mix chosen for all the transformers and combiners prevented operation on 16; /archives//html/Amps/2001-09/msg00015.html (7,549 bytes)
167. [AMPS] need help with old amp supply lk-500z amp (score: 1): Author: philk5pc@tyler.net (Phil Clements); Date: Sun, 2 Sep 2001 17:31:59 -0500; If it's the one I think it is, the resistor is between B- and chassis ground. It probably gave up the ghost due to age or a glitch. Replace it, and see if that does not cure the problem before you go; /archives//html/Amps/2001-09/msg00020.html (7,423 bytes)
168. [AMPS] on line door knob cap descriptions or data...? (score: 1): Author: philk5pc@tyler.net (Phil Clements); Date: Fri, 7 Sep 2001 11:11:38 -0500; As far as I know, HEC (High Energy Corp.) has bought out all of the competition. You might try calling them @ (610)593-2800 to see if they have a web site. I called them and got all their catalogs. L; /archives//html/Amps/2001-09/msg00106.html (8,111 bytes)
169. [AMPS] SB-1000 mods? (score: 1): Author: philk5pc@tyler.net (Phil Clements); Date: Fri, 7 Sep 2001 15:31:32 -0500; Your advice so far has been good. If you do a lot of 160 and 80 meter work, you might want to replace the door knob load padding caps with micas from Ameritron. The Heath door knobs get hot and drift; /archives//html/Amps/2001-09/msg00110.html (10,125 bytes)
170. [AMPS] True Or Not True #2 (score: 1): Author: philk5pc@tyler.net (Phil Clements); Date: Sat, 8 Sep 2001 11:55:22 -0500; Many years ago, as weak-signal 2 meter CW was becoming popular, a chap (I forget his name/call) could copy a signal 2 db below the noise level. This was confirmed by testing him, and seemed to be the; /archives//html/Amps/2001-09/msg00130.html (8,511 bytes)
171. [AMPS] SB-1000 mods? (score: 1): Author: philk5pc@tyler.net (Phil Clements); Date: Sat, 8 Sep 2001 12:35:21 -0500; Wow! Is that ever a true statement. However, this result is from selecting a resistor not robust enough for the job in the first place. Most commercial (MRI, etc.) amps I have seen use a 100 watt po; /archives//html/Amps/2001-09/msg00133.html (9,620 bytes)
172. [AMPS] True Or Not True #2 (score: 1): Author: philk5pc@tyler.net (Phil Clements); Date: Sat, 8 Sep 2001 20:54:27 -0500; As I said, that was in the '50's. One of the best CW ops in the world is Balder, DJ6SI. He uses a cheap Yaesu on his expeditions with only the SSB filter in line. He can not only hear like you can, b; /archives//html/Amps/2001-09/msg00148.html (8,440 bytes)
173. [AMPS] SB-1000 mods? (score: 1): Author: philk5pc@tyler.net (Phil Clements); Date: Sat, 8 Sep 2001 21:12:40 -0500; The point is that they are both too small if they fail. At C. 3800-4000v, a 10 ohm 10 watt resistor will fail. The glass coated ones usually break cleanly, as if they were sawed in two. I have learne; /archives//html/Amps/2001-09/msg00149.html (9,039 bytes)
174. [AMPS] SB-1000 mods? (score: 1): Author: philk5pc@tyler.net (Phil Clements); Date: Mon, 10 Sep 2001 00:02:18 -0500; Eimac's bulletin says that they want the peak energy limited to 50 joules. They say that a 50 ohm resistor will limit current to 40 amps. If the value of the resistor is larger than necessary, it wil; /archives//html/Amps/2001-09/msg00167.html (9,580 bytes)
175. [AMPS] MLA2500 (score: 1): Author: philk5pc@tyler.net (Phil Clements); Date: Mon, 10 Sep 2001 00:08:38 -0500; I have owned, serviced, and refurbished several of this series. I find that if operated by the manual instructions, these amps and tubes last a long time. Most I have gone into have the original tube; /archives//html/Amps/2001-09/msg00168.html (7,826 bytes)
176. [AMPS] SB-1000 mods? (score: 1): Author: philk5pc@tyler.net (Phil Clements); Date: Mon, 10 Sep 2001 10:00:23 -0500; Jolly good show, Ian! It will save us all a lot of typing every time the subject comes up! Many thanks! Phil, K5PC -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@contesting.com; /archives//html/Amps/2001-09/msg00178.html (9,189 bytes)
177. [AMPS] 8122/4662 Substitute?? (score: 1): Author: philk5pc@tyler.net (Phil Clements); Date: Mon, 10 Sep 2001 11:47:20 -0500; The pair of 8122's in the Harris RF-110 amp are set up for 100mw input, and 10 watts out to drive the pair of 4CX1500B's. There is plenty of room on the 8122 RF deck, which is easily removable,to su; /archives//html/Amps/2001-09/msg00184.html (7,438 bytes)
178. [AMPS] Voltage Doubler / Filter Capacitance Question (score: 1): Author: philk5pc@tyler.net (Phil Clements); Date: Thu, 20 Sep 2001 15:23:50 -0500; This is a multi-part message in MIME format. --=_NextPart_000_0007_01C141E8.4057D280 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable The capacitance require; /archives//html/Amps/2001-09/msg00378.html (9,700 bytes)
179. [AMPS] Additional Info Voltage Doubler/Filter Capacitance (score: 1): Author: philk5pc@tyler.net (Phil Clements); Date: Thu, 20 Sep 2001 21:25:38 -0500; This is a multi-part message in MIME format. --=_NextPart_000_0008_01C1421A.CB88AF00 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable I will be glad to look; /archives//html/Amps/2001-09/msg00383.html (11,105 bytes)
180. [AMPS] Titan 425 amplifier problems (score: 1): Author: philk5pc@tyler.net (Phil Clements); Date: Thu, 27 Sep 2001 08:55:03 -0500; Try your amp with his PS. Put his tubes in your amp. Test the tubes in your amp. Put his tubes in your amp. Make sure you have continuity in thr B+ and B- lines all the way from the PS to the tubes.; /archives//html/Amps/2001-09/msg00435.html (7,803 bytes)

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