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1. [Amps] Russian Power Tubes (score: 1): Author: MIKE DURKIN <patriot121@msn.com>; Date: Tue, 15 Dec 2009 09:05:25 -0800; Is there a list of Russian tubes by Plate voltage?? I was looking at the GS-5B and was wondering if the Heater current was correct?? 27Amps ?? - thats a heap of power dissipated there -- 350W alone..; /archives//html/Amps/2009-12/msg00339.html (7,702 bytes)
2. Re: [Amps] Russian Power Tubes (score: 1): Author: "RICHARD GEORGE" <k6kwq@msn.com>; Date: Tue, 15 Dec 2009 09:12:14 -0800; GS-35B is what you want K6KWQ Dick Amps by "MORE POWER" -- Original Message -- From: MIKE DURKIN<mailto:patriot121@msn.com> To: amps fourm<mailto:amps@contesting.com> Sent: Tuesday, December 15, 2009; /archives//html/Amps/2009-12/msg00341.html (8,980 bytes)
3. Re: [Amps] Russian Power Tubes (score: 1): Author: texasrf@aol.com; Date: Tue, 15 Dec 2009 12:17:02 EST; There is a wealth of info on Russian tubes at: _http://www.nd2x.net/base-1.html_ (http://www.nd2x.net/base-1.html) . 73, Gerald K5GW In a message dated 12/15/2009 11:05:50 A.M. Central Standard Time,; /archives//html/Amps/2009-12/msg00342.html (8,002 bytes)
4. Re: [Amps] Russian Power Tubes (score: 1): Author: "Bill, W6WRT" <dezrat1242@yahoo.com>; Date: Tue, 15 Dec 2009 12:55:24 -0800; ORIGINAL MESSAGE: REPLY: The original post asked for a tube that will run at 3.8 kV.... the max spec for the GS-35b is 3.0 kVDC. Don't be fooled by the "instantaneous value" spec of 6.0kV. In normal; /archives//html/Amps/2009-12/msg00345.html (7,760 bytes)
5. Re: [Amps] Russian Power Tubes (score: 1): Author: "RICHARD GEORGE" <k6kwq@msn.com>; Date: Tue, 15 Dec 2009 13:03:33 -0800; The GS-35B will run for ever at 4KV with no problems. I have built dozens of amps for VHF and UHF using this tube and running 4KV+ on the anode. K6KWQ Dick Amps by "MORE POWER" -- Original Message --; /archives//html/Amps/2009-12/msg00346.html (9,024 bytes)
6. Re: [Amps] Russian Power Tubes (score: 1): Author: "Gary Schafer" <garyschafer@comcast.net>; Date: Tue, 15 Dec 2009 17:51:16 -0500; Why do you think that the anode voltage will swing to 2x power supply voltage? 73 Gary K4FMX _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contest; /archives//html/Amps/2009-12/msg00347.html (9,002 bytes)
7. Re: [Amps] Russian Power Tubes (score: 1): Author: "David H Craig" <davidhcraig@verizon.net>; Date: Tue, 15 Dec 2009 19:16:50 -0500; I concur- I have one running 3875 VDC on the plate, and another one with 4400 VDC- the voltage limitations are highly under-rated for actual usable values. Re the GS-5, I looked at that one time- mig; /archives//html/Amps/2009-12/msg00355.html (10,381 bytes)
8. Re: [Amps] Russian Power Tubes (score: 1): Author: "Bill, W6WRT" <dezrat1242@yahoo.com>; Date: Tue, 15 Dec 2009 16:55:52 -0800; ORIGINAL MESSAGE: REPLY: Because that's how amplifiers with resonant anode tank circuits work. At idle, the DCV on the anode will be whatever the supply is. When driven to full output, on the negativ; /archives//html/Amps/2009-12/msg00359.html (8,784 bytes)
9. Re: [Amps] Russian Power Tubes (score: 1): Author: "Bill, W6WRT" <dezrat1242@yahoo.com>; Date: Tue, 15 Dec 2009 17:04:53 -0800; ORIGINAL MESSAGE: REPLY: If you ever apply for a job as a design engineer you might want to leave that off your resume. :-) 73, Bill W6WRT _______________________________________________ Amps mailing; /archives//html/Amps/2009-12/msg00360.html (8,535 bytes)
10. Re: [Amps] Russian Power Tubes (score: 1): Author: "RICHARD GEORGE" <k6kwq@msn.com>; Date: Tue, 15 Dec 2009 17:49:15 -0800; Funny thing I worked as an engineer for 42 years. This is ham radio not space shuttle engineereing. K6KWQ Dick Amps by "MORE POWER" -- Original Message -- From: Bill, W6WRT<mailto:dezrat1242@yahoo.co; /archives//html/Amps/2009-12/msg00362.html (9,292 bytes)
11. Re: [Amps] Russian Power Tubes (score: 1): Author: "Carl" <km1h@jeremy.mv.com>; Date: Tue, 15 Dec 2009 20:58:29 -0500; Only a hi pot test will tell you what the limit is. Russian military tubes have a long reputation of conservative ratings. Carl KM1H _______________________________________________ Amps mailing list; /archives//html/Amps/2009-12/msg00363.html (10,793 bytes)
12. Re: [Amps] Russian Power Tubes (score: 1): Author: "David H Craig" <davidhcraig@verizon.net>; Date: Tue, 15 Dec 2009 21:22:38 -0500; I guess empircal evidence isn't germain to this discussion.... must be flat-earth "theory." I have some PE friemds that run close to 5KV on the plate of a pair of GS35Bs on 50 MHz... again. I assume; /archives//html/Amps/2009-12/msg00364.html (10,370 bytes)
13. Re: [Amps] Russian Power Tubes (score: 1): Author: "Bill, W6WRT" <dezrat1242@yahoo.com>; Date: Tue, 15 Dec 2009 20:17:22 -0800; ORIGINAL MESSAGE: REPLY: You are right, it is not relevant and I'll tell you why. Manufacturers often make production runs of a particular part which can and do vary slightly from one run to another.; /archives//html/Amps/2009-12/msg00365.html (9,551 bytes)
14. Re: [Amps] Russian Power Tubes (score: 1): Author: "Gary K9GS" <garyk9gs@wi.rr.com>; Date: Tue, 15 Dec 2009 22:37:29 -0600; That's silly....we're talking about building ham radio amplifiers here, one of a kind in most instances. We're not concerned with specification variability, production yields, tolerance stack-ups, et; /archives//html/Amps/2009-12/msg00366.html (10,981 bytes)
15. Re: [Amps] Russian Power Tubes (score: 1): Author: "Bill, W6WRT" <dezrat1242@yahoo.com>; Date: Tue, 15 Dec 2009 23:28:01 -0800; ORIGINAL MESSAGE: REPLY: If a person knows how to do proper design first and then chooses to CAREFULLY design an amp for his personal use which exceeds a spec or two, I have no problem with that. Wha; /archives//html/Amps/2009-12/msg00368.html (9,572 bytes)
16. Re: [Amps] Russian Power Tubes (score: 1): Author: DAVE WHITE <mausoptik@btinternet.com>; Date: Wed, 16 Dec 2009 12:16:51 +0000 (GMT); A lot of people here in Europe have built amps with the GS35B and I hear reports of reliable operation with 4kv on the anode. As Richard alludes, we're experimenters and if things go *BANG* occasion; /archives//html/Amps/2009-12/msg00370.html (10,773 bytes)
17. Re: [Amps] Russian Power Tubes (score: 1): Author: Ron Youvan <ka4inm@tampabay.rr.com>; Date: Wed, 16 Dec 2009 12:32:37 +0000; The oldest habits are the hardest to break. and As the old woman said as she hissed her cow: "Everyone to their own fetish." We also discus repairing old units, frequently with non-standard parts. -; /archives//html/Amps/2009-12/msg00371.html (9,587 bytes)
18. Re: [Amps] Russian Power Tubes (score: 1): Author: jeff millar <jeff@wa1hco.net>; Date: Wed, 16 Dec 2009 08:43:32 -0500; This might be getting off topic, but how does one "hiss a cow"? ...something about vacuum perhaps? jeff, wa1hco _______________________________________________ Amps mailing list Amps@contesting.com h; /archives//html/Amps/2009-12/msg00372.html (9,490 bytes)
19. Re: [Amps] Russian Power Tubes (score: 1): Author: "k7fm" <k7fm@teleport.com>; Date: Wed, 16 Dec 2009 06:23:15 -0800; "Wise designers know this and stick to the specs" K7MMK, a close friend of mine now deceased, was a U-boat commander in WWII. He said that early in the war, the reason he survived was because he regu; /archives//html/Amps/2009-12/msg00373.html (9,371 bytes)
20. Re: [Amps] Russian Power Tubes (score: 1): Author: Dave White <mausoptik@btinternet.com>; Date: Wed, 16 Dec 2009 16:17:01 +0000; And There I was thinking that cows said 'MOOOOOO'. I never heard one hiss.... Dave G0OIL This might be getting off topic, but how does one "hiss a cow"? ...something about vacuum perhaps? jeff, wa1hc; /archives//html/Amps/2009-12/msg00374.html (8,854 bytes)

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