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41. [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)
42. [Amps] Russian Power Tubes (score: 1): Author: MIKE DURKIN <patriot121@msn.com>; Date: Wed, 16 Dec 2009 09:01:48 -0800; And thats why im going this route ...I have a Yokagawa P9306UL that i pressed into ameture radio service with only minor issues really. Then one of the 3-500Z (emiac lot from 87) started shorting to; /archives//html/Amps/2009-12/msg00377.html (11,154 bytes)
43. [Amps] WTB: SB-220 or AL-811H (score: 1): Author: MIKE DURKIN <patriot121@msn.com>; Date: Thu, 17 Dec 2009 19:20:28 -0800; Your kidding .. right?? If you find a 1500W amp in perfect working order for 600$$ i want one too .... that beats converting a medical amp for ham use and now needs a new tube .. granted im going to; /archives//html/Amps/2009-12/msg00410.html (9,205 bytes)
44. Re: [Amps] 3-500Z heater voltage reduction (score: 1): Author: MIKE DURKIN <patriot121@msn.com>; Date: Fri, 18 Dec 2009 07:18:58 -0800; Wow, thought this thread died a few months ago .... so this is what i did. I used 8 10W .33Ohm non-inductive resistors (it was what i could find for cheap) 2 X 4 paralleled ..... for a total of 0.165; /archives//html/Amps/2009-12/msg00427.html (10,429 bytes)
45. Re: [Amps] Question about GS-35b efficiency (score: 1): Author: MIKE DURKIN <patriot121@msn.com>; Date: Fri, 18 Dec 2009 17:50:40 -0800; Speaking of GS-35b efficiency, What is the efficiency of a pair of 3-500z's?? Say in a HL-2K Mike KC7NOA Hotmail: Powerful Free email with security by Microsoft. Get it now. _________________________; /archives//html/Amps/2009-12/msg00469.html (13,893 bytes)
46. [Amps] Site translator (score: 1): Author: MIKE DURKIN <patriot121@msn.com>; Date: Sat, 19 Dec 2009 07:57:23 -0800; Any one know of a web page translator that translates the WHOLE page?? I tried Googles trnslator and it only trnslated the first 20 lines or so... of this page http://www.cqham.ru/HiFi_Contester_EX8A; /archives//html/Amps/2009-12/msg00491.html (7,150 bytes)
47. [Amps] FAN CFM (score: 1): Author: MIKE DURKIN <patriot121@msn.com>; Date: Mon, 4 Jan 2010 12:31:22 -0800; Any one have an idea of what the part number is for the fan in a Tokyo HyPower to look up what the rated CFM is or simply know what it is?? KC7NOA ____________________________________________________; /archives//html/Amps/2010-01/msg00021.html (6,986 bytes)
48. [Amps] FAN CFM (score: 1): Author: MIKE DURKIN <patriot121@msn.com>; Date: Mon, 4 Jan 2010 13:23:11 -0800; Hey cool .. didn't know there was an external for running digital ... lets get both, but i only have the internal. Mike KC7NOA Hotmail: Free, trusted and rich email service. Get it now. _____________; /archives//html/Amps/2010-01/msg00023.html (8,171 bytes)
49. [Amps] Used tubes (score: 1): Author: MIKE DURKIN <patriot121@msn.com>; Date: Tue, 12 Jan 2010 15:51:01 -0800; Is there a way to tell externally if a tube has been used ... Im guessing not unless it was abused. I just bought a GS-35B. Mike KC7NOA _______________________________________________________________; /archives//html/Amps/2010-01/msg00104.html (6,969 bytes)
50. Re: [Amps] Used tubes (score: 1): Author: MIKE DURKIN <patriot121@msn.com>; Date: Tue, 12 Jan 2010 16:32:26 -0800; I would love some pics ... I'm sure the Ebay'r that i bought from used a generic pic, mabey from the same lot he has .. but not the one i bought -- which is ok, but i sure don't want one that was use; /archives//html/Amps/2010-01/msg00108.html (9,417 bytes)
51. Re: [Amps] Used tubes (score: 1): Author: MIKE DURKIN <patriot121@msn.com>; Date: Wed, 13 Jan 2010 12:31:56 -0800; The guy at QRO-PARTS was a huge putz to me, - he baned me after i asked a tecnical question. Ill add i bought a GS9B from some one else .. but my question was about GS35B, so if I was even enclined t; /archives//html/Amps/2010-01/msg00152.html (9,521 bytes)
52. [Amps] Chimney's (score: 1): Author: MIKE DURKIN <patriot121@msn.com>; Date: Thu, 14 Jan 2010 16:27:24 -0800; Where is the best place to get ptfe 4in Id pipe from ?? Yep, for a GS35B ... KC7NOA _________________________________________________________________ Hotmail: Powerful Free email with security by Mic; /archives//html/Amps/2010-01/msg00183.html (8,235 bytes)
53. Re: [Amps] KK5DR's ferrite loaded (score: 1): Author: MIKE DURKIN <patriot121@msn.com>; Date: Wed, 20 Jan 2010 10:22:58 -0800; So this Rod loaded Plate choke is sold on the bay. Is this thing meant for under 2kV are you saying?? I dont see any feedback about it melting down .. http://tinyurl.com/ydb77bc Mike KC7NOA _________; /archives//html/Amps/2010-01/msg00265.html (9,752 bytes)
54. [Amps] Layout of tube (score: 1): Author: MIKE DURKIN <patriot121@msn.com>; Date: Mon, 25 Jan 2010 10:42:23 -0800; I have a layout issues with my amp in progress ... Its with my HV source and blocking cap . Im wanting to supply the tube on one side of the tube and put the blocking cap for the C.L.C. output about; /archives//html/Amps/2010-01/msg00304.html (6,764 bytes)
55. Re: [Amps] Layout of tube (score: 1): Author: MIKE DURKIN <patriot121@msn.com>; Date: Mon, 25 Jan 2010 12:28:37 -0800; Ok, yea its not for VHF, Just HF but was thinking about parasitics and all .... Next thought is there a rule of thumb when stacking fans back-to-back to figure CFM and pressure .... Like if i had 2 f; /archives//html/Amps/2010-01/msg00310.html (8,424 bytes)
56. Re: [Amps] Layout of tube (score: 1): Author: MIKE DURKIN <patriot121@msn.com>; Date: Tue, 26 Jan 2010 08:49:25 -0800; I seen some one ask what the tube is -- its a GS-35B that im going to install ... i have a fan (original) thats 89CFM, im planning on adding 2 more- one to presurize and the other to assist on the ex; /archives//html/Amps/2010-01/msg00345.html (9,434 bytes)
57. Re: [Amps] HELP Modifications for a Kenwood TL922 (score: 1): Author: MIKE DURKIN <patriot121@msn.com>; Date: Tue, 26 Jan 2010 11:23:36 -0800; Pair of 3-500z output - well lets say 1000W into 50Ohm. with only one 3-500 its 1/2 ... so you have 500W into 50Ohm The impeadence of the plate at 500W is basically double that of 1000W. In turn chan; /archives//html/Amps/2010-01/msg00348.html (9,044 bytes)
58. [Amps] HV relay (score: 1): Author: MIKE DURKIN <patriot121@msn.com>; Date: Thu, 4 Feb 2010 20:51:48 -0800; Any one know of a cheap (ok im a ham) spst relay good for anode switching of HV ?? I was going to buy some more T/R relays i had bought off of the Bay .. but the source i bought from is out ... (sad); /archives//html/Amps/2010-02/msg00115.html (7,112 bytes)
59. Re: [Amps] HV relay (score: 1): Author: MIKE DURKIN <patriot121@msn.com>; Date: Fri, 5 Feb 2010 06:26:23 -0800; Well Jim, Im changing my 2@3-500Z amp to a single GS-35B and in the spec's for the tube it states that the warm-up time is Aprox~ 2 minute. So instead of using a power SCR in the mains to switch on t; /archives//html/Amps/2010-02/msg00118.html (8,683 bytes)
60. Re: [Amps] HV relay (score: 1): Author: MIKE DURKIN <patriot121@msn.com>; Date: Fri, 5 Feb 2010 11:38:51 -0800; Isnt there current drawn even in standby? Around 1 ma or less....... If i don't need a relay for HV control and just for Tx inhibit ... then this - becomes much (much) more easy. Mike KC7NOA ________; /archives//html/Amps/2010-02/msg00121.html (8,918 bytes)

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