Mic Kaczmarczik's TubeInformation - The Blue Guitar

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NNTP-Posting-Host: ladder01.news.aol.com X-Admin: news@aol.com Organization: AOL http://www.aol.com References: Xref: geraldo.cc.utexas.edu rec.audio.tubes:31306 >Actually, the 6L6GC was introduced in 1959. My GE paper says 1961, maybe GE didn't introduce their version til then. Or they typoed the date (certainly not impossible!) !! > To throw a monkey wrench in the whole tube ratings game, > tube manufacturers issued 6L6-WGB and 5881 later >The 5881 and 6L6WGB were not issued later, but quite a bit BEFORE the They were INTRODUCED earlier, but later the factories ISSUED new versions using different than original materials etc. Sorry for the misunderstanding. The 5881 shows up in my 1951 Tungsol Tube Guide. Oddly, no additional voltage rating is claimed for it (as opposed to 6L6-G). Ned, Triode Electronics, Chicago Back to JT30 Home
From postmaster@triodeel.com Tue Mar 31 22:19:48 CST 1998 Article: 61726 of rec.audio.tubes Path: geraldo.cc.utexas.edu!cs.utexas.edu!cpk-newshub1.bbnplanet.com!news.bbnplanet.com!newsfeed.direct.ca!news.he.net!Supernews60!supernews.com!Supernews69!not-for-mail From: postmaster@triodeel.com (Ned Carlson) Newsgroups: rec.audio.tubes Subject: Re: New production 7027's and rumours of 7591's Date: Wed, 01 Apr 1998 01:22:09 GMT Organization: Triode Electronics Lines: 45 Message-ID: References: Reply-To: postmaster@triodeel.com X-Trace: 891394478 IG5G0KQDTA030C7B3 usenet40.supernews.com X-Complaints-To: newsabuse@supernews.com X-Newsreader: Forte Free Agent 1.11/16.235 Xref: geraldo.cc.utexas.edu rec.audio.tubes:61726 On Tue, 31 Mar 1998 20:05:51 GMT, ddiez@NOSPAMciti-link.com (Don Diez) wrote: >Is anyone familiar with the new Tesla 7027 tube, and if they are any >good? I heard they are doing a final 'test' run of some sort before >they go to final production on these. It's just a Tesla 6L6-GC with two extra pins. I can't think of any apps where 6L6-GC wouldn't work just as well as 7027. You might want to read this page http://www.triodeel.com/7027.htm before spending any time worrying about 7027's.. >How does the 7027 differ from >the 7027A (if it does at all) ? The 7027A had higher ratings, and it was also rerated under a different ratings system. The Tesla 7027 has the higher ratings. There were not a lot of old straight 7027 made, when people refer to 7027 they are almost invariably talking about the later version, even if if they don't mention the "A". At any rate, IMHO, the 7027 was YARCAMS "Yet Another RCA Marketing Scam" and basically a big waste of time & cause for lots of unnecessary confusion amongst consumers, to no-one's benefit but RCA's.. Ned Carlson Triode Electronics,2225 W Roscoe Chicago, IL, 60618 USA ph 773-871-7459 fax 773-871-7938 12:30 to 8 PM CT, (1830-0200 UTC) 12:30-5 Sat, Closed Wed & Sun http://www.triodeel.com Text file catalogs:Catalog 'Bot at catalog@triodeel.com Back to JT30 Home
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Mic Kaczmarczik's Tube Information
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Svetlana-6550s 07-Nov-1995 11:01 4k
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From ftom@netcom.com Sun Mar 26 14:
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From wright@uspto.gov Sat Aug 19 20
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From tremolux@aol.com Tue Dec 20 11
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From hap@bnr.ca Fri Mar 1 16:51:56
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: : : What transformer secondary vo
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At continuous DC current of 100mA .
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From stratboy@onramp.nett Sun Dec 1
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From power@wwdc.com Tue Sep 3 09:41
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From ashinman@chem.ucalgary.ca Wed
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From postmaster@triodeel.com Wed De
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From mookie2112@aol.com Sat Jul 31
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tubes. Very good in the #2 position
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From postmaster@triodeel.com Thu Au
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Organization: Univ of CT Health Cen
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From raydeeohh@aol.com Mon Jan 30 1
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Back to JT30 Home
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From power@wwdc.com Mon Jul 29 10:3
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From postmaster@triodeel.com Fri Ja
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From SRSN81A@prodigy.com Sat Nov 25
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From postmaster@triodeel.com Sun No
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From rongon@bway.net Tue Jul 9 01:0
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RCA - Very detailed when clean, sli
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From larrysb@aol.comNOspahm Tue Dec
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From meo@rru.com Wed Apr 19 14:02:1
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From SRSN81A@prodigy.com Sat Aug 19
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it!) with a well matched set of GTA
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From tremolux@aol.com Fri May 19 22
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From Kevin@UPSCALEaudio.com Sun Mar
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From robertc908@aol.com Sun Jan 18
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From ebarbour@netcom.com Sun Jun 18
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From tekman@execpc.com Thu Oct 17 1
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From postmaster@triodeel.com Fri Oc
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From dpowers@jeeves.la.utexas.edu T
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From npstewar@eos.ncsu.edu Thu Apr
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Lines: 110 Message-ID: References:
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6: enne-al 9-pin 7 is also a "misce
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From triodeel@ameritech.net Wed Jun
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From ebarbour@netcom.com Sat Aug 26
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From Kevin@UpscaleAudio.com Wed May
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From tremolux@aol.com Sat Oct 1 00:
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it beefier magnetics and they can h
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little gift of a bad trace, a bad L
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From svetengr@aol.com Fri Mar 7 22:
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From dhaugen9@mail.idt.net Fri Oct
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with the numbers on top in a grey p
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From: jatwood@netcom.com (John Atwo
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Back to JT30 Home
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From jjensen@sirius.com Wed Apr 30
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(2) When the Chinese tried making 6
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Many of Mazda's later tubes were ma
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From Dr.Distortion@bbs.mhv.net Wed
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From jjensen@sirius.com Fri May 2 1
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From tomhiwatt@aol.com Thu Nov 21 1
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From postmaster@triodeel.com Sun Au
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From Teleologist@Sorry.NoEmail Thu
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lack paint. This is a good case for
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coupling in airborne sound to the t
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UPSCALE Audio/Home Theater/Rare Tub
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From stanj@dnai.com Sun Nov 19 10:5
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From jcassidy@svetlana.com Thu Oct
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small, so it could have been plain
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From larrysb@aol.com Sat Aug 31 09:
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From lewis@jpmorgan.com Wed Apr 17
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4. The first grid voltage -35 V 5.
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From PYLOT@asu.edu Tue Sep 19 11:35
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From grego@mud.lattice.com Thu Feb
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or control grid is sloppy. As you k
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From ep@interport.net Fri Jul 28 15
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From PYLOT@asu.edu Tue Aug 8 11:34:
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From postmaster@triodeel.com Sat Oc
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From idkwid@mail.smart.net Tue Nov
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From joelnice@diva.EECS.Berkeley.ED
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Page 161 and 162: mirrors. Or try: "It is also availa
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Page 173 and 174: Best Regards, Kevin Deal High End,
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Page 179 and 180: Sovtek also markets 5U4G, 5Y3GT, 6S
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Page 195 and 196: splitter in many hifi amps, lots of
Page 197 and 198: Here's the tough one: Why hasn't an
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Page 203 and 204: From ebarbour@netcom.com Fri Sep 1
Page 205 and 206: From triodeel@interserv.com Fri May
Page 207: Ned Carlson Triode Electronics 2225
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Page 217 and 218: From postmaster@triodeel.com Sat Se
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