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21. [AMPS] Optional Tube Conversion (score: 1): Author: kc5vdj@yahoo.com (Jim Bryant); Date: Thu, 01 Nov 2001 22:51:36 -0600; The 4CX250's require around 1700-2000 volts for good operation though... They will operate at the lower voltage though. I have some 4CX250FG's I'm saving for an amp... jim -- ET has one helluva sense; /archives//html/Amps/2001-11/msg00009.html (8,428 bytes)
22. [AMPS] 4CX250B Tube differences (score: 1): Author: kc5vdj@yahoo.com (Jim Bryant); Date: Fri, 02 Nov 2001 11:39:43 -0600; For all practical purposes, nothing at all.. jim -- ET has one helluva sense of humor! He's always anal-probing right-wing schizos! -- POWER TO THE PEOPLE! -- "Religious fundamentalism is the biggest; /archives//html/Amps/2001-11/msg00022.html (7,439 bytes)
23. [AMPS] Audio Amps supplies in S. FL ? (score: 1): Author: kc5vdj@yahoo.com (Jim Bryant); Date: Sun, 04 Nov 2001 14:04:43 -0600; I agree, AES is by far the best source, especially for Fender. They stock just about every replacement part possible for Fender amps, from the reverb springs, to the tubes, to the speakers. I also us; /archives//html/Amps/2001-11/msg00034.html (11,630 bytes)
24. [AMPS] Audio Amps supplies in S. FL ? (score: 1): Author: kc5vdj@yahoo.com (Jim Bryant); Date: Sun, 04 Nov 2001 14:22:29 -0600; Oh yeah, one detail... If the amplifier has any of those 1960's/1970's PVC encased capacitors, use latex gloves to handle them when you are in there. PVC of that age generally is "bleeding". When PVC; /archives//html/Amps/2001-11/msg00035.html (13,671 bytes)
25. [AMPS] PVC-antique radios (score: 1): Author: kc5vdj@yahoo.com (Jim Bryant); Date: Sun, 04 Nov 2001 15:03:11 -0600; I'm not really sure... Could be. I do know that capacitors in the 1960's and 1970's had the same kind as the Barbie dolls though. If you see a goopy yellowish substance on the outside of old PVC pipe; /archives//html/Amps/2001-11/msg00037.html (8,069 bytes)
26. [AMPS] PVC-antique radios (score: 1): Author: kc5vdj@yahoo.com (Jim Bryant); Date: Sun, 04 Nov 2001 19:56:29 -0600; I've seen it in action, and no, nobody is confusing PCBs with PVC. PVC breaks down after twenty to fourty years. The yellow liquid goop is both a carcinogen, and has similar properties to estrogen, a; /archives//html/Amps/2001-11/msg00041.html (7,980 bytes)
27. [AMPS] Audio Amps supplies in S. FL ? (score: 1): Author: kc5vdj@yahoo.com (Jim Bryant); Date: Sun, 04 Nov 2001 20:48:14 -0600; Yes, and many of the initial debates began like this. The day will come. The carcinogenic facts of decomposing PVC are well known, as well as the estrogen-like factors which cause reproductive damage; /archives//html/Amps/2001-11/msg00042.html (13,003 bytes)
28. [AMPS] Audio Amps supplies in S. FL ? (score: 1): Author: kc5vdj@yahoo.com (Jim Bryant); Date: Sun, 04 Nov 2001 22:33:50 -0600; That wasn't the original intent, but if he wants to deny facts like certain politcal groups are prone to, I'll call it like I see it. jim -- ET has one helluva sense of humor! He's always anal-probin; /archives//html/Amps/2001-11/msg00044.html (8,942 bytes)
29. [AMPS] Coil Forms (score: 1): Author: kc5vdj@yahoo.com (Jim Bryant); Date: Mon, 12 Nov 2001 15:38:01 -0600; Antique Electronic Supply, www.tubesandmore.com, also sells these tube bases. Don't go destroying tubes for these unless you have verified their death on a calibrated tube tester of adequate quality; /archives//html/Amps/2001-11/msg00207.html (9,950 bytes)
30. [AMPS] Coil Forms (score: 1): Author: kc5vdj@yahoo.com (Jim Bryant); Date: Tue, 13 Nov 2001 02:16:33 -0600; There are tests that you can make without a tester, of course, but honestly, a tube tester is a good investment. The point is that if it works, and has some life left, keep it as a spare, rather than; /archives//html/Amps/2001-11/msg00215.html (10,212 bytes)
31. [AMPS] Coil Forms (score: 1): Author: kc5vdj@yahoo.com (Jim Bryant); Date: Tue, 13 Nov 2001 02:27:17 -0600; Oops... Forgot to add something... For the uninitiated, the "blue glow" is not necessarily bad. That being "Bad" is highly dependant on the tube/valve in use. For instance, I have yet to see certain; /archives//html/Amps/2001-11/msg00218.html (11,010 bytes)
32. [AMPS] Coil Forms (score: 1): Author: kc5vdj@yahoo.com (Jim Bryant); Date: Tue, 13 Nov 2001 02:58:37 -0600; KC5VDJ tips his hat to ya! Got any 6U5's or 6G5's? I'm also looking for U-201's/C-301's and U-200's/C-300's [NOT UX or CX]. I can see what I have to trade, but my spares box isn't as well stocked as; /archives//html/Amps/2001-11/msg00219.html (9,599 bytes)
33. [AMPS] Coil Forms (score: 1): Author: kc5vdj@yahoo.com (Jim Bryant); Date: Tue, 13 Nov 2001 03:11:26 -0600; Just for clarification, these would be for my personal collection [1940 Zenith 8S463, and 1924 Grebe Synchrophase Mu-1 [first production run version]]. jim -- ET has one helluva sense of humor! He's; /archives//html/Amps/2001-11/msg00221.html (10,081 bytes)
34. [AMPS] Need info: Watkins Johnson Microwave BWOs (score: 1): Author: kc5vdj@yahoo.com (Jim Bryant); Date: Tue, 13 Nov 2001 19:50:31 -0600; I have three WJ BWO units, one is for 3.2-7.4 GHZ, and two are for 7.0-12.4 GHz. One is NIB, and includes the test data, but no datasheet. I can provide the model numbers and serial numbers on reques; /archives//html/Amps/2001-11/msg00238.html (8,309 bytes)
35. [AMPS] HV connectors (score: 1): Author: kc5vdj@yahoo.com (Jim Bryant); Date: Tue, 20 Nov 2001 11:35:19 -0600; I've been reading this thread with interest, and so far, nobody has mentioned the type of connectors used in laser work. My Hughes HeNe laser uses a screw-on connector with three terminals on it's ca; /archives//html/Amps/2001-11/msg00390.html (10,297 bytes)
36. [AMPS] Request for Advice Please (score: 1): Author: kc5vdj@yahoo.com (Jim Bryant); Date: Tue, 27 Nov 2001 17:26:40 -0600; I might want to point out that the gentleman said he is blind, and with very limited support in the ham radio hobby. Any amplifier that requires manual tuning would likely be out of the question, unl; /archives//html/Amps/2001-11/msg00442.html (9,147 bytes)
37. [AMPS] Request for Advice Please (score: 1): Author: kc5vdj@yahoo.com (Jim Bryant); Date: Tue, 27 Nov 2001 17:44:31 -0600; Sorry, my mistake. I thought you had your antenna tuners specially fitted with audible indicators. I have several blind friends who I have been pushing to write or call Icom and the other companies t; /archives//html/Amps/2001-11/msg00444.html (8,969 bytes)
38. [AMPS] A Clone of an SB-220 by SBE (score: 1): Author: kc5vdj@yahoo.com (Jim Bryant); Date: Wed, 24 Oct 2001 15:29:13 -0500; Yeah, and look very carefully at the Grid meter... If I'm not mistaken, the needle looks like it's stuck all the way to the right! jim -- ET has one helluva sense of humor! He's always anal-probing r; /archives//html/Amps/2001-10/msg00463.html (9,253 bytes)
39. [AMPS] Amps and Microprocessors (score: 1): Author: kc5vdj@yahoo.com (Jim Bryant); Date: Wed, 24 Oct 2001 16:05:10 -0500; What experiences have people on this list had with both shielding microprocessor control circuitry and display electronics internal to a power amplifier from the intense RF fields as well as preventi; /archives//html/Amps/2001-10/msg00473.html (9,155 bytes)
40. [AMPS] Amps and Microprocessors (score: 1): Author: kc5vdj@yahoo.com (Jim Bryant); Date: Wed, 24 Oct 2001 18:26:39 -0500; Sounds pretty good, although your choice of the 8877 is a good one also, I'm a bit leery on using it. I've been toying with the idea of breaking the tasks between seperate processors, and using seria; /archives//html/Amps/2001-10/msg00477.html (16,951 bytes)

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