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Total 31 documents matching your query.

1. [Amps] tubes (score: 1): Author: Paul Gondos <pgondos@hotmail.com>; Date: Sat, 27 Dec 2008 13:30:20 -0500; Hi: I'm going to attempt to build my first amplifier. Does anyone have any spare medical pulls that would give me 1500 watts out that they would like to get rid off? Contact me off-line please. Thank; /archives//html/Amps/2008-12/msg00348.html (7,015 bytes)
2. [Amps] tubes (score: 1): Author: "c.s." <carlseye@verizon.net>; Date: Thu, 05 Jul 2007 15:47:34 -0400; Much has been said about Richardson's cornering the tube market in the U.S. I have often wondered about this and about the possible politics involved. It would seem to go against the rules insofar as; /archives//html/Amps/2007-07/msg00033.html (6,833 bytes)
3. [Amps] tubes (score: 1): Author: c s <carlseye@verizon.net>; Date: Mon, 02 Jul 2007 16:33:33 -0400; I want to believe that in the "earlier" times , there were not too many mfrs.!! of any one type of tube. Insofar as the 572B was concerned, the earliest I can remember was the Taylor company. !! I kn; /archives//html/Amps/2007-07/msg00018.html (6,705 bytes)
4. [Amps] tubes (score: 1): Author: c s <carlseye@verizon.net>; Date: Sun, 01 Jul 2007 08:23:35 -0400; did Amperex make a 572B/T160L ?? just wondering c.s. _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/amps; /archives//html/Amps/2007-07/msg00004.html (5,925 bytes)
5. Re: [Amps] tubes (score: 1): Author: "EP Swynar" <gswynar@durham.net>; Date: Tue, 29 May 2007 06:21:15 -0400; Hi Sarge, I think it may well be time now to SERIOUSLY give some thought to retrofitting that 6LQ6-loving rig you have there, to something that's a tad more common -- and CHEAP! -- like the 6146, IMH; /archives//html/Amps/2007-05/msg00241.html (9,241 bytes)
6. Re: [Amps] tubes (score: 1): Author: LKBrownMD@cs.com; Date: Mon, 28 May 2007 16:56:44 EDT; Was browsing the Fair Radio Sales website today and happened to notice NOS 6LQ6 (Magnavox, RCA) tubes for sale. Link is: http://www.fairradio.com/catalog.php?mode=viewitem&item=5313:5314 Not cheap, t; /archives//html/Amps/2007-05/msg00236.html (7,688 bytes)
7. Re: [Amps] tubes (score: 1): Author: "jeremy-ca" <km1h@jeremy.mv.com>; Date: Mon, 28 May 2007 08:30:34 -0400; You plus a handfull of hams and a million CBers all want the same limited stash. Carl KM1H _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contestin; /archives//html/Amps/2007-05/msg00234.html (7,624 bytes)
8. [Amps] tubes (score: 1): Author: "Sarge" <sarge@36db.com>; Date: Sun, 27 May 2007 21:45:45 -0500; OK who has the secret stash of tubes? Anyone know a really good place to get tubes? Looking for any of 6je6, 6je6a, 6je6b, 6je6c, 6lq6, 6me6, 6mj6, 6KD6, 6LX8, 6LF6, 6JM6, 6JU6, 6HF5. Thanks, Sarge W; /archives//html/Amps/2007-05/msg00232.html (6,860 bytes)
9. Re: [Amps] Tubes (score: 1): Author: Peter Chadwick <g3rzp@g3rzp.wanadoo.co.uk>; Date: Fri, 16 Feb 2007 09:31:05 +0100 (CET); I remember reading that back in the early '80s, an IEEE Microwaves group visited Russia. According to the report, the Russians were amazed that they hadn't got 90GHz gyrotrons in the US, and actually; /archives//html/Amps/2007-02/msg00258.html (6,862 bytes)
10. Re: [Amps] tubes (score: 1): Author: Bill Fuqua <wlfuqu00@uky.edu>; Date: Tue, 04 Apr 2006 14:50:25 -0400; There are two grids. One connected to the cathode and one to ground. The screen grid becomes the control grid. But the geometry of the 4cx250 is such that electrons have a tough time hitting the scre; /archives//html/Amps/2006-04/msg00058.html (11,288 bytes)
11. Re: [Amps] tubes (score: 1): Author: R@contesting.com;Measures <r@somis.org>; Date: Tue, 4 Apr 2006 10:04:04 -0700; With the grid wired to the cathode would there not be zero grid current? Rich Measures, 805.386.3734, AG6K, www.somis.org _______________________________________________ Amps mailing list Amps@contes; /archives//html/Amps/2006-04/msg00047.html (11,021 bytes)
12. Re: [Amps] tubes (score: 1): Author: Bill Fuqua <wlfuqu00@uky.edu>; Date: Tue, 04 Apr 2006 09:56:26 -0400; If you have a lot of drive you can connect the control grid to the cathode, ground the screen grid and run grounded grid. The linearity will put high mu triodes to shame since there will be very litt; /archives//html/Amps/2006-04/msg00042.html (9,785 bytes)
13. Re: [Amps] tubes (score: 1): Author: Colin Lamb <k7fm@teleport.com>; Date: Mon, 3 Apr 2006 14:13:04 -0700 (GMT-07:00); The 4CX250B is a 250 watt ceramic tube based upon the older 4X150 design. It was not designed for grounded grid service. Like the 4CX1000, the grid is fragile. In the 4-1000, the grid is so stout tha; /archives//html/Amps/2006-04/msg00028.html (8,468 bytes)
14. [Amps] tubes (score: 1): Author: "carl s." <carlseye@tampabay.rr.com>; Date: Mon, 3 Apr 2006 16:20:15 -0400; Who can tell me about the 4CX250B tube.??? power ? GG. capabilities, Etc.:: (hf only ) just want to know !!!!! carl / kz5ca _______________________________________________ Amps mailing list Amps@cont; /archives//html/Amps/2006-04/msg00026.html (6,576 bytes)
15. [Amps] Tubes (score: 1): Author: "Artmouton" <k5fnq@cox.net>; Date: Wed, 15 Mar 2006 21:31:28 -0600; I am selling tubes given to me for the "hams" by a neighbor with a commo shop. Proceeds to be contributed to the local club. I brought 4 boxes of small tubes to our Lafayette Hamfest and the club mad; /archives//html/Amps/2006-03/msg00419.html (8,211 bytes)
16. [Amps] tubes (score: 1): Author: aa6dx at pacbell.net (AA6DX); Date: Thu Apr 10 19:01:13 2003; Most likely "getter" -- Mark AA6DX This is something I should know , but it seems to have escaped my memory bank. !! I have several 811A's and all of them have oblong shiny spots on the plates, and t; /archives//html/Amps/2003-04/msg00108.html (7,036 bytes)
17. [Amps] tubes (score: 1): Author: garyschafer at attbi.com (Gary Schafer); Date: Thu Apr 10 18:12:16 2003; Hi Carl, Yes they are probably going bad. The shiny spots are the start of holes being burned in the plates. 811s should never be run with any color at all. Also I think that amp has only 3 tubes? If; /archives//html/Amps/2003-04/msg00107.html (7,039 bytes)
18. [Amps] tubes (score: 1): Author: carlseye at tampabay.rr.com (carl seyersdahl); Date: Thu Apr 10 16:03:22 2003; This is something I should know , but it seems to have escaped my memory bank. !! I have several 811A's and all of them have oblong shiny spots on the plates, and they all glow a dull red under full; /archives//html/Amps/2003-04/msg00104.html (6,526 bytes)
19. [Amps] TUBES (score: 1): Author: carlseye at tampabay.rr.com (carl seyersdahl); Date: Wed Mar 26 18:32:29 2003; to all those who responded to my request for tubes, (12AU7) be advised that I am more than happy with the results. I received 8 tubes total, without even sending an address. In the process of checkin; /archives//html/Amps/2003-03/msg00855.html (6,565 bytes)
20. [Amps] TUBES (score: 1): Author: 2@vc.net (2); Date: Sat, 10 Aug 2002 19:47:47 -0700; good tube. The 4-250A has the same cathode/filament as a 3-500Z, so it will make the same pep on ssb. - R. L. Measures, a.k.a. Rich..., 805.386.3734,AG6K, www.vcnet.com/measures. end; /archives//html/Amps/2002-08/msg00104.html (7,018 bytes)

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