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281. [AMPS] Tuned input for 2x8877 (score: 1): Author: philk5pc@tyler.net (Phil Clements); Date: Wed, 7 Feb 2001 11:52:10 -0600; Any Bill Orr or ARRL Handbook has a table with all the values shown. You need 50 ohms in and 25 ohms out. There is software on the disk you get with ARRL books that has a dandy program for designing; /archives//html/Amps/2001-02/msg00187.html (7,034 bytes)
282. [AMPS] SB-220: Operate/Standby Switch (score: 1): Author: philk5pc@tyler.net (Phil Clements); Date: Fri, 9 Feb 2001 11:42:29 -0600; Modern amps now on the market are now not as much of a problem. Multi-tapped transformers and step-start circuits are incorporated in most designs. It is the old pre-1980 amps that need the attentio; /archives//html/Amps/2001-02/msg00198.html (9,047 bytes)
283. [AMPS] amps (score: 1): Author: philk5pc@tyler.net (Phil Clements); Date: Sat, 10 Feb 2001 10:04:11 -0600; Amen, Rich! Been there, done that, got the T shirt! When 160 meters and WARC is added a whole new ball game evolves. It is very easy to arc even the heavy duty RF Switch Co. units with just a single; /archives//html/Amps/2001-02/msg00219.html (7,512 bytes)
284. [AMPS] amps (score: 1): Author: philk5pc@tyler.net (Phil Clements); Date: Sat, 10 Feb 2001 10:23:03 -0600; Check out how Henry handles this problem for continuous coverage 1.8-30 mhz in the 8-K and 3-K Ultras. (((73))) Phil, K5PC -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@contest; /archives//html/Amps/2001-02/msg00221.html (6,947 bytes)
285. [AMPS] Runaway amp (score: 1): Author: philk5pc@tyler.net (Phil Clements); Date: Tue, 20 Feb 2001 09:54:26 -0600; Hi Mike, Look at the individual plate currents....is each rising the same? Look at the RF at the input to the amp....is it steady all the time? Will look in the manual today and see what I can figur; /archives//html/Amps/2001-02/msg00267.html (9,144 bytes)
286. [AMPS] Runaway amp (score: 1): Author: philk5pc@tyler.net (Phil Clements); Date: Tue, 20 Feb 2001 18:58:24 -0600; How could a loading cap cause high idling current with key up? (((73))) Phil, K5PC -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@contesting.com Administrative requests: amps-RE; /archives//html/Amps/2001-02/msg00282.html (7,857 bytes)
287. [AMPS] SB-220 High input SWR and transceiver fold back (score: 1): Author: philk5pc@tyler.net (Phil Clements); Date: Wed, 21 Feb 2001 07:40:35 -0600; Is this happening on all bands? If only one band, you have probably toasted the mica caps on the input Pi matching network. I have also seen an input coil melt down in some cases. Further info neede; /archives//html/Amps/2001-02/msg00285.html (9,023 bytes)
288. [AMPS] 77SX (score: 1): Author: philk5pc@tyler.net (Phil Clements); Date: Tue, 2 Jan 2001 14:51:22 -0600; I suggest hiring a local electrician to hook the amps up for you. You have 10K bucks worth of equipment there in jeopardy. Not everything is protected in the 77SX/DX. If the step-start relay does not; /archives//html/Amps/2001-01/msg00062.html (9,094 bytes)
289. [AMPS] Low capacitance filament transformers (score: 1): Author: philk5pc@tyler.net (Phil Clements); Date: Wed, 3 Jan 2001 20:45:35 -0600; There are hundreds (perhaps thousands) of Alpha's out there hammering away. Alpha never used a filament choke in its 8877 amps. (((73))) from SNOWY Texas! Phil, K5PC -- FAQ on WWW: http://www.contes; /archives//html/Amps/2001-01/msg00116.html (7,542 bytes)
290. [AMPS] Eimac - Care and Feeding of Power Grid Tubes (score: 1): Author: philk5pc@tyler.net (Phil Clements); Date: Sun, 7 Jan 2001 12:57:52 -0600; W6SAI is alive and well, as of his last post to me a couple of months ago. He is a "regular reader" here on the reflector, as far as I know. He has replied directly to me on several occasions. It is; /archives//html/Amps/2001-01/msg00251.html (10,306 bytes)
291. [AMPS] Care and Feeding of fragile egos (score: 1): Author: philk5pc@tyler.net (Phil Clements); Date: Tue, 9 Jan 2001 11:22:19 -0600; I like the "Ignore....Close" one better, Marv. Not to mention the ever-popular "press any key to continue!" (((73))) Phil, K5PC -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@co; /archives//html/Amps/2001-01/msg00319.html (9,578 bytes)
292. [AMPS] Care and Feeding of fragile egos (score: 1): Author: philk5pc@tyler.net (Phil Clements); Date: Tue, 9 Jan 2001 11:26:53 -0600; Rumor has it that the body was found impaled on a size 13EEEE combat boot. (((73))) Phil, K5PC -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@contesting.com Administrative reque; /archives//html/Amps/2001-01/msg00320.html (9,625 bytes)
293. [AMPS] Amps with QSK (score: 1): Author: philk5pc@tyler.net (Phil Clements); Date: Sat, 13 Jan 2001 00:13:47 -0600; I have had an Ameritron QSK-5 T-R switch since they first came out. I have used it with many transceivers and amps with outstanding results. The onboard FET bias switch is a plus...works very well.; /archives//html/Amps/2001-01/msg00350.html (7,591 bytes)
294. [AMPS] Dayton blowers (score: 1): Author: philk5pc@tyler.net (Phil Clements); Date: Mon, 15 Jan 2001 00:17:47 -0600; Must be an oldie. Arliss. Not listed in the catalog. Perhaps someone has an old W.W. Grainger catalog and can look for it there. GL! Phil, K5PC -- FAQ on WWW: http://www.contesting.com/FAQ/amps Subm; /archives//html/Amps/2001-01/msg00354.html (7,392 bytes)
295. [AMPS] Need Filter Caps for SB-200...Sources, Please! (score: 1): Author: philk5pc@tyler.net (Phil Clements); Date: Tue, 23 Jan 2001 02:58:27 -0600; This is a multi-part message in MIME format. --=_NextPart_000_03A3_01C084E8.5CB02260 Content-Type: text/plain; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable Al Harbach is still i; /archives//html/Amps/2001-01/msg00576.html (8,221 bytes)
296. [AMPS] Horizontal Mounting Of 572B's (score: 1): Author: philk5pc@tyler.net (Phil Clements); Date: Wed, 24 Jan 2001 11:46:42 -0600; This is a multi-part message in MIME format. --=_NextPart_000_04BB_01C085FB.528C8440 Content-Type: text/plain; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable I know that there are; /archives//html/Amps/2001-01/msg00590.html (8,676 bytes)
297. [AMPS] Clipperton L amplifier (score: 1): Author: philk5pc@tyler.net (Phil Clements); Date: Thu, 25 Jan 2001 09:53:57 -0600; I have an old SB-200 on the bench now that has the original factory supplied tubes. This amp has been in constant use all these years. Out of curiosity, I measured the two 47 ohm Rsupp stock Heath s; /archives//html/Amps/2001-01/msg00612.html (9,275 bytes)
298. [AMPS] Fair price for TL 922 amplifier (score: 1): Author: philk5pc@tyler.net (Phil Clements); Date: Thu, 25 Jan 2001 11:47:59 -0600; I have seen at least 6 TL 922's on E-Bay in the past year go for c. $1,000 each. Not to say this is "fair," but this is what they bring. $2000 75A4's and $3000 S-Lines are commonplace on E-Bay. As P.; /archives//html/Amps/2001-01/msg00617.html (7,405 bytes)
299. [AMPS] Plate Transformer (score: 1): Author: philk5pc@tyler.net (Phil Clements); Date: Tue, 30 Jan 2001 11:40:10 -0600; No, just potting material to keep the moisture out. You are a bit short on MFD's here. Assuming your load resistance is somewhere between 3000-4000 ohms, you need around 40 MFD worth of filter capaci; /archives//html/Amps/2001-01/msg00723.html (7,792 bytes)
300. [AMPS] tube brand question... (score: 1): Author: philk5pc@tyler.net (Phil Clements); Date: Tue, 30 Jan 2001 18:08:17 -0600; Record one vote for Cetron...I am working over a SB-200 for a friend. (HVPS problem) The original Cetron tubes that came with the amp are still making rated power. The date codes are 1976! Check RF; /archives//html/Amps/2001-01/msg00745.html (7,858 bytes)

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