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Total 33 documents matching your query.

1. [Amps] 3CX3000a7 (score: 1): Author: W1JJM@aol.com (W1JJM@aol.com); Date: Mon, 16 Sep 2002 19:00:52 EDT; I have a 3CX3000a7 and socket I am looking to sell or trade. The tube has less then an hour on it. I just sent it to Econco for testing and it is in perfect condx. If anyone is interested please E-ma; /archives//html/Amps/2002-09/msg00109.html (6,391 bytes)
2. [AMPS] 3CX3000A7 (score: 1): Author: W1JJM@aol.com (W1JJM@aol.com); Date: Tue, 22 Jan 2002 13:35:42 EST; I have a 3CX3000A7 but I am not sure of its condx. Dose anyone know were I could have it tested. Thanks Mick W1JJM -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@contesting.com A; /archives//html/Amps/2002-01/msg00169.html (6,431 bytes)
3. [AMPS] 3CX3000A7 (score: 1): Author: 2@vc.net (2); Date: Tue, 22 Jan 2002 10:51:54 -0800; Econco Broadcast Services in Woodlawn, CA. If they tell you it's a rebuildable dud, please e.mail me. - R. L. Measures, a.k.a. Rich..., 805.386.3734,AG6K, www.vcnet.com/measures. end -- FAQ on WWW:; /archives//html/Amps/2002-01/msg00171.html (6,572 bytes)
4. [AMPS] 3CX3000A7 (score: 1): Author: superiorwavelength@prodigy.net (G SEVEN); Date: Sun, 11 Mar 2001 00:14:14 -0800; I need some advice from the experts. I have a recently brought back to life GG 3cx3000a7. Its running on a higher plate voltage, approximately 6700KV. When tuning up on 10 meters with a TS 440 into a; /archives//html/Amps/2001-03/msg00078.html (7,861 bytes)
5. [AMPS] 3CX3000A7 (score: 1): Author: k1ta@contesting.com (Bob Marston); Date: Sun, 11 Mar 2001 07:49:56 -0800; Answer Not much The 3CX-3000A7 is notorius as being a Pig to drive. The spec sheet states that 410 watts is required to drive it to 2.0 Amps of plate current. With 100 watts don't expect much more th; /archives//html/Amps/2001-03/msg00080.html (8,642 bytes)
6. [AMPS] 3CX3000A7 (score: 1): Author: da_kang@hotmail.com (Jeff Wolf); Date: Sun, 11 Mar 2001 17:27:27; While it is a pig to drive, 400 watts of input should net you quite a bit of output. And he should be able to get legal limit from a typical 100 watt exciter. Easily fixed. Place a small amount of L; /archives//html/Amps/2001-03/msg00081.html (9,995 bytes)
7. [AMPS] 3CX3000A7 (score: 1): Author: kc4slk@csrlink.net (Mike Sawyer); Date: Sun, 11 Mar 2001 12:29:19 -0500; That to me, is sound advice! Thanks Bob. Mike(y) W3SLK Answer Not much The 3CX-3000A7 is notorius as being a Pig to drive. The spec sheet states that 410 watts is required to drive it to 2.0 Amps of; /archives//html/Amps/2001-03/msg00082.html (9,379 bytes)
8. [AMPS] 3CX3000A7 (score: 1): Author: i4jmy@iol.it (Maurizio Panicara); Date: Sun, 11 Mar 2001 19:09:17 +0100; The 3CX3000A7 (and the descendant 3CX6000A7) can't give 2A plate with 100W drive, but perfectly deliver >2KW out with 100W in and 6.7 Kv plate. At 100W drive its gain is typically 13dB in Gg. No way; /archives//html/Amps/2001-03/msg00086.html (10,101 bytes)
9. [AMPS] 3CX3000A7 (score: 1): Author: philk5pc@tyler.net (Phil Clements); Date: Sun, 11 Mar 2001 13:50:42 -0600; Check out how Henry does this with their 8-K Ultra. Their tube socket and non-metallic chimney cuts a bunch of stray C out of the picture. You don't need any tune C, just use a roller coil or devise; /archives//html/Amps/2001-03/msg00088.html (8,838 bytes)
10. [AMPS] 3CX3000A7 (score: 1): Author: i4jmy@iol.it (Maurizio Panicara); Date: Sun, 11 Mar 2001 23:05:04 +0100; Incidentally, the output capacitance of a 3CX3000A7 in Gg is 24pf that's a little bit more than twice the single 8877. The 38 pf is not "huge" and anyway is the input capacitance. A paired 8877, less; /archives//html/Amps/2001-03/msg00089.html (10,461 bytes)
11. [AMPS] 3CX3000A7 (score: 1): Author: kh7m@hsa-kauai.net (Jim Reid); Date: Sun, 11 Mar 2001 13:20:22 -1000; Aloha, My Henry 8K amplifier is equipped with this tube, 3CX3000A7, ceramic triode. Per the factory test sheet which came with the unit, it operates as follows. Keyed plate voltage is 5800 volts; a b; /archives//html/Amps/2001-03/msg00091.html (9,081 bytes)
12. [AMPS] 3CX3000A7 (score: 1): Author: superiorwavelength@prodigy.net (G SEVEN); Date: Mon, 12 Mar 2001 10:42:01 -0800; Mucho thanks to everyone who responded to my post, I will attempt to answer everyone all at once here. Originally this was a Henry 3000D rf deck. It had been rebuilt into a multi band HF amp by Jim D; /archives//html/Amps/2001-03/msg00099.html (11,738 bytes)
13. [AMPS] 3CX3000A7 (score: 1): Author: superiorwavelength@prodigy.net (G SEVEN); Date: Mon, 12 Mar 2001 12:07:34 -0800; A question was ask on how I determined the value of the resistor to use. I took the tube manufacture data sheet used the resonant load impedance and driving impedance values. Simply took that value i; /archives//html/Amps/2001-03/msg00102.html (13,610 bytes)
14. [AMPS] 3CX3000A7 (score: 1): Author: da_kang@hotmail.com (Jeff Wolf); Date: Mon, 12 Mar 2001 21:18:28; I hope you either did this with tube in place, or used another capacitor to simulate the Cin, Cout and Cstray. Otherwise, we might have just found your problem :) Toll_Free _________________________; /archives//html/Amps/2001-03/msg00105.html (8,563 bytes)
15. [AMPS] 3CX3000A7 (score: 1): Author: philk5pc@tyler.net (Phil Clements); Date: Mon, 12 Mar 2001 15:49:29 -0600; The Henry 3000D is an industrial RF generator. It was never designed to operate above 20 meters. The tube socket and metal chimney add much to the already high "C" values on the 3CX3000A7 and to stra; /archives//html/Amps/2001-03/msg00106.html (9,675 bytes)
16. [AMPS] 3CX3000A7 (score: 1): Author: da_kang@hotmail.com (Jeff Wolf); Date: Mon, 12 Mar 2001 22:19:34; Phil, et al, A lot of the CB amps built using one or more of the 3CX3K tubes also don't use a socket at all, but suspend the tube in a delron makeshift chimney. It isn't pretty, but it works. Toll_Fr; /archives//html/Amps/2001-03/msg00107.html (7,806 bytes)
17. [AMPS] 3CX3000A7 (score: 1): Author: DF3KV@aol.com (DF3KV@aol.com); Date: Mon, 12 Mar 2001 19:04:48 EST; Hi all, I am using the Henry 2500 PGC/27 as an amplifier on 10m without modification. Mechanically (socket,chimney etc) and electrically it is the same as the 3000D. Original frequency is 27,12Mc, un; /archives//html/Amps/2001-03/msg00108.html (8,111 bytes)
18. [AMPS] 3CX3000A7 (score: 1): Author: 2@vc.net (measures); Date: Mon, 12 Mar 2001 22:19:37 -0800; Delrin is not a low-D material. - Rich..., 805.386.3734, www.vcnet.com/measures. end -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@contesting.com Administrative requests: amps-; /archives//html/Amps/2001-03/msg00114.html (7,709 bytes)
19. [AMPS] 3CX3000A7 (score: 1): Author: superiorwavelength@prodigy.net (G SEVEN); Date: Tue, 13 Mar 2001 10:14:19 -0800; I did this with the tube in place. KRS to -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@contesting.com Administrative requests: amps-REQUEST@contesting.com Problems: owner-amps@; /archives//html/Amps/2001-03/msg00124.html (9,411 bytes)
20. [AMPS] 3CX3000A7 (score: 1): Author: DF3KV@aol.com (DF3KV@aol.com); Date: Fri, 16 Mar 2001 20:25:29 EST; --part1_36.130c9101.27e41709_boundary Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: quoted-printable 2000 W output are to be expected e te Should be no problem to tune 10m; /archives//html/Amps/2001-03/msg00152.html (17,055 bytes)

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