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Total 14 documents matching your query.

1. [AMPS] 4-1000a (score: 1): Author: rickn@netdoor.com (Rick Nichols); Date: Sun, 21 Jan 2001 12:01:46 -0600; This is a multi-part message in MIME format. --Boundary_(ID_w3JLM+zqdbVsxa3FqJP76w) Content-type: text/plain; charset=iso-8859-1 Content-transfer-encoding: quoted-printable Does anyone have a good sc; /archives//html/Amps/2001-01/msg00541.html (7,929 bytes)
2. [AMPS] 4-1000a (score: 1): Author: 2@vc.net (measures); Date: Sun, 21 Jan 2001 11:32:58 -0800; ground the grids, drive the cathodes with 300w. However, an 8171 takes up half as much chassis space, is easier to drive, easier to cool, and puts out Way more suds if the need arises. Remember -- n; /archives//html/Amps/2001-01/msg00544.html (7,042 bytes)
3. [AMPS] 4-1000a (score: 1): Author: wc6w@juno.com (Radio WC6W); Date: Sun, 21 Jan 2001 14:46:43 EST; tube, There was an article in 73 Magazine, in the mid '60's, called the "Big Bomb" that used that configuration. One curious point is, that driven from a typical transceiver, the pair of 4-1000's can; /archives//html/Amps/2001-01/msg00545.html (7,663 bytes)
4. [AMPS] 4-1000a (score: 1): Author: doug@nc.rr.com (Doug Hall); Date: Sun, 21 Jan 2001 20:20:26 -0500; [chortle] Physician, heal thyself. -Doug, K4DSP -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@contesting.com Administrative requests: amps-REQUEST@contesting.com Problems: owner; /archives//html/Amps/2001-01/msg00547.html (6,779 bytes)
5. [AMPS] 4-1000a (score: 1): Author: sheepdip@continet.com (Larry L. Ravlin); Date: Sat, 15 May 1999 19:37:18 -0700; Gentlemen, I have looked all thru the internet for info on this tube ie. max plate voltage, current, etc.etc and can't find any info and have lost my tube reference manual. would someone pse e-mail m; /archives//html/Amps/1999-05/msg00183.html (6,728 bytes)
6. [AMPS] 4-1000A (score: 1): Author: N3XBU@aol.com (N3XBU@aol.com); Date: Thu, 8 Apr 1999 09:18:45 EDT; Hi guys, I have a homebrew 4-1000A amplifier based on K9LKA's design from 1963. It uses a Peter Dahl transformer (5Kv@1 A), Jennings vacuum variables, a couple of turns counters, a B&W 80-10 bandswit; /archives//html/Amps/1999-04/msg00154.html (7,255 bytes)
7. [AMPS] 4-1000A (score: 1): Author: N3XBU@aol.com (N3XBU@aol.com); Date: Fri, 9 Apr 1999 00:09:23 EDT; Does anyone know who makes the best 4-1000A? How much do they cost new, and where can I get one? Also wondering where can I socket and chimney? Brian -- FAQ on WWW: http://www.contesting.com/ampfaq.h; /archives//html/Amps/1999-04/msg00178.html (6,591 bytes)
8. [AMPS] 4-1000A (score: 1): Author: bob.sutton@xtra.co.nz (Bob Sutton); Date: Tue, 11 Aug 1998 12:50:56 +1200; I see in the Eimac Technical Data for the 4-1000A that this tube is rated for DC plate voltage of 5.5kV (below 30MHz) in plate modulated AM service with a Plate Output Power of 2630W. training (when; /archives//html/Amps/1998-08/msg00090.html (7,285 bytes)
9. [AMPS] 4-1000A (score: 1): Author: davidc@bit-net.com (DavidC); Date: Mon, 10 Aug 1998 21:05:36 -0400; A fellow who deals with high power linear devices told me that in their work with the 4-1000A it doesn't become truly linear and clean until 6,000 volts, which is about the maximum voltage one shoul; /archives//html/Amps/1998-08/msg00092.html (7,041 bytes)
10. [AMPS] 4-1000A (score: 1): Author: jono@enteract.com (Jon Ogden); Date: Tue, 11 Aug 98 00:53:05 -0500; I thought that linearity got worse with increasing anode voltage. The reason why I state that is that in some of the charts I have seen on the tube, the IM products and rated output get worse as the; /archives//html/Amps/1998-08/msg00096.html (7,418 bytes)
11. [AMPS] 4-1000A (score: 1): Author: kb2mfs@sprynet.com (Tim); Date: Wed, 14 May 1997 19:38:06 -0500; Hello to everyone on here. I have been following the threads for a while now and finally have a question. I am currently building a single 4-1000 amp and have 3 tubes all used and supposedly working; /archives//html/Amps/1997-05/msg00110.html (6,917 bytes)
12. [AMPS] 4-1000A (score: 1): Author: km1h@juno.com (km1h@juno.com); Date: Fri, 16 May 1997 19:05:08 EDT; Unfortunately, there is no easy way to do a passive test on that tube Tim. Short of building up a test jig with air flow, etc. the only other way is to plug it in and try it. Probably NOT what you wa; /archives//html/Amps/1997-05/msg00135.html (7,316 bytes)
13. [AMPS] 4-1000A (score: 1): Author: measures@vc.net (Rich Measures); Date: Fri, 16 May 97 22:19:33 -0700; Verily. About he only thing you can test for without plugging one into an amplifier is gas. At 12kV from anode to screen, you should see no glow in a dark room. ...snip... Amen. Why not use an 8171; /archives//html/Amps/1997-05/msg00140.html (7,243 bytes)
14. [Amps] 4-1000A (score: 1): Author: "Rich Schmuke" <rdj@wildblue.net>; Date: Mon, 7 Jan 2008 07:41:14 -0600; I have two 4-1000A's. One new , one used with only a few hours of light duty on it. Check out the pictures of the tubes plus a few other parts , you will see they are clean , no burn marks on the use; /archives//html/Amps/2008-01/msg00073.html (6,478 bytes)

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