Mail Archive Search: <+subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[Amps\]\s+572\'s\s*$/>

Results:

References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[Amps\]\s+572\'s\s*$/: 24 ]

Total 24 documents matching your query.

1. [AMPS] 572's (score: 1): Author: w3nr@vol.com (Ed W3NR); Date: Mon, 23 Oct 2000 18:13:06 -0400; Plate load impedance for 4-572's ??? I don't see it anywhere in any info I can find on the Net. Any help....thanks Ed W3NR -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@contesti; /archives//html/Amps/2000-10/msg00523.html (6,454 bytes)
2. [AMPS] 572's (score: 1): Author: 2@vc.net (measures); Date: Mon, 23 Oct 2000 15:28:27 -0700; Depends on anode supply volts. - 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-R; /archives//html/Amps/2000-10/msg00524.html (6,932 bytes)
3. [AMPS] 572's (score: 1): Author: wb8jkr@juno.com (Mark S Graalman); Date: Mon, 23 Oct 2000 21:25:28 -0400; Depends on the Plate voltage, but typically I'd say about 1200-1300 ohms at 2KV or so. Mark WB8JKR ________________________________________________________________ YOU'RE PAYING TOO MUCH FOR THE INTE; /archives//html/Amps/2000-10/msg00525.html (7,386 bytes)
4. [AMPS] 572's (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Mon, 28 Aug 2000 15:31:47 -0400; 572b The Svetlana 572 tubes have two problems. They require more bias to cut the tube off. In some amplifiers with marginal cutoff bias (the FL2100) the tubes do not cut off. This causes a problem b; /archives//html/Amps/2000-08/msg00452.html (10,270 bytes)
5. [Amps] 572's (score: 1): Author: Matthew McCloskey <hidesertdrifter@live.com>; Date: Thu, 2 May 2013 10:30:04 -0600; Does Ameritron qualify as reputable ? They sell sells 572B's MattAD7XN _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listin; /archives//html/Amps/2013-05/msg00006.html (6,255 bytes)
6. Re: [Amps] 572's (score: 1): Author: "Carl" <km1h@jeremy.mv.com>; Date: Thu, 2 May 2013 13:03:40 -0400; Yes since they double test after receiving from China or RFP. Just cost a bit more. Carl KM1H Does Ameritron qualify as reputable ? They sell sells 572B's MattAD7XN __________________________________; /archives//html/Amps/2013-05/msg00007.html (7,984 bytes)
7. Re: [Amps] 572's (score: 1): Author: "kingwood" <k5jv@kingwoodcable.com>; Date: Thu, 2 May 2013 12:05:23 -0500; Greetings to all, In my opinion, a "reputable distributor" doesn't have anything to do with the issue. 99% of all new 572B's come from the same factory in China. If the tubes won't meet muster, the p; /archives//html/Amps/2013-05/msg00008.html (8,300 bytes)
8. Re: [Amps] 572's (score: 1): Author: Eddy Swynar <deswynar@xplornet.ca>; Date: Thu, 2 May 2013 13:37:53 -0400; Hi Lon, OK, I'll be the FIRST to ask the "Stupid Question of The Day #1": why have you & Carl been "...buying 572B's by the case for years" if they're so good, unless, of course, you're in the manufa; /archives//html/Amps/2013-05/msg00013.html (7,538 bytes)
9. Re: [Amps] 572's (score: 1): Author: "qrv@kd4e.com" <qrv@kd4e.com>; Date: Thu, 02 May 2013 13:40:42 -0400; Many Hams help other Hams via repair and/or mods that they cannot do themselves. Also, Carl is a contester & in that app gear gets stressed to the max! Like Carl, I have been buying 572B's, by the ca; /archives//html/Amps/2013-05/msg00014.html (8,217 bytes)
10. Re: [Amps] 572's (score: 1): Author: "Carl" <km1h@jeremy.mv.com>; Date: Thu, 2 May 2013 14:05:00 -0400; I dont run QRP in contests.... Carl KM1H -- Original Message -- From: <qrv@kd4e.com> To: "Eddy Swynar" <deswynar@xplornet.ca>; "kingwood" <k5jv@kingwoodcable.com> Cc: "Amp Reflector" <amps@contesting; /archives//html/Amps/2013-05/msg00015.html (9,576 bytes)
11. Re: [Amps] 572's (score: 1): Author: "qrv@kd4e.com" <qrv@kd4e.com>; Date: Thu, 02 May 2013 14:10:00 -0400; Y'all can hear those tubes screaming for mercy from miles away from Jeremy Hill! ;-) I dont run QRP in contests.... Carl KM1H -- Thanks! & 73, KD4E.com David Colburn nevils-station.com I don't google; /archives//html/Amps/2013-05/msg00016.html (8,175 bytes)
12. Re: [Amps] 572's (score: 1): Author: "Carl" <km1h@jeremy.mv.com>; Date: Thu, 2 May 2013 16:48:21 -0400; It takes 4 at a time in several amps plus Ive converted several hundred SB-200's to 6M and repaired a bunch of stock ones. Yes it is a stupid question considering Ive been stating the above on here f; /archives//html/Amps/2013-05/msg00019.html (9,284 bytes)
13. Re: [Amps] 572's (score: 1): Author: Eddy Swynar <deswynar@xplornet.ca>; Date: Thu, 2 May 2013 19:56:51 -0400; Hi Carl, Well, call me stupid then, for having missed that one all-critical facet of your otherwise illustrious life's story... Sorry...! ~73~ de Eddy VE3CUI - VE3XZ _________________________________; /archives//html/Amps/2013-05/msg00027.html (7,920 bytes)
14. Re: [Amps] 572's (score: 1): Author: "kingwood" <k5jv@kingwoodcable.com>; Date: Thu, 2 May 2013 20:16:43 -0500; Eddie, First of all, there are no stupid questions, if they are asked with sincerity. I really hesitated in answering this because I do not want get one of the bilious, as the stomach turns threads g; /archives//html/Amps/2013-05/msg00030.html (9,875 bytes)
15. Re: [Amps] 572's (score: 1): Author: "Tom Osborne" <w7why@frontier.com>; Date: Thu, 2 May 2013 20:27:23 -0700; You may be right, but I'd rather buy from someone I know. I've bought from RF Parts for a long time and never had any problems. Only tube that ever went bad was my fault and they still replaced it fo; /archives//html/Amps/2013-05/msg00031.html (8,274 bytes)
16. Re: [Amps] 572's (score: 1): Author: "Fuqua, Bill L" <wlfuqu00@uky.edu>; Date: Fri, 3 May 2013 04:48:18 +0000; I have known Merit for some time. I would prefer buying from RF Parts myself. That reminds me, does anyone have contact information for Reid Brandon? 73 Bill wa4lav You may be right, but I'd rather b; /archives//html/Amps/2013-05/msg00033.html (8,757 bytes)
17. [Amps] 572's (score: 1): Author: "Jim Thomson" <jim.thom@telus.net>; Date: Thu, 2 May 2013 23:45:34 -0700; Think back and remember when you mistakenly plugged a 250TL into a rig, thinking you were plugging in a 250TH. That difference is what I saw with the last batch of Chinese 572B I had. If the factory; /archives//html/Amps/2013-05/msg00034.html (9,270 bytes)
18. Re: [Amps] 572's (score: 1): Author: Roger Parsons <ve3zi@yahoo.com>; Date: Fri, 3 May 2013 06:17:31 -0700 (PDT); "I have been running a Dentron MLA 2500, modified this way, for about three years (Not the QSK). with absolutely no problems. My concern with this mod was mounting the tube horizontally. This has not; /archives//html/Amps/2013-05/msg00037.html (8,115 bytes)
19. Re: [Amps] 572's (score: 1): Author: "Jerry" <jsternmd@att.net>; Date: Fri, 3 May 2013 10:10:19 -0400; How do you get the proper airflow through the 3CX800A7 bottom up, also with the standard ceramic chimney in a horizontal position? 73 Jerry K1JOS "I have been running a Dentron MLA 2500, modified thi; /archives//html/Amps/2013-05/msg00039.html (8,653 bytes)
20. Re: [Amps] 572's (score: 1): Author: "Carl" <km1h@jeremy.mv.com>; Date: Fri, 3 May 2013 11:29:52 -0400; It is always preferrable to have a second or third source when needed. While RFP has always made good on DOA tubes I dont expect that to happen when they are claimed to be tested. The ones Ive return; /archives//html/Amps/2013-05/msg00040.html (10,128 bytes)

Current List: 1 - 20
Page: [1] [2]