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Topic: Compactron

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	HHScott Vacuum Tubes -- Compactron Overview
		Compactrons are multi-function tubes, combining diodes, triodes, and pentodes in various combinations, designed to reduce size and component counts in entertainment and industrial devices.
		Compactrons have 12 pins arranged around a 3/4-inch diameter base.
		GE engineers claimed a two-Compactron radio design could replace a standard five-tube radio complement (seven transistors were needed for the same performance), or a 10-Compactron TV-set could replace 15 tubes and three diodes or 24 transistors and 11 diodes.
	hhscott.com /cc/compactrons.htm (214 words)

	Popular Electronics, January 1963, p39
		Use of a compactron allows a lot of receiver to be contained in a small box without undue crowding.
		the headphones are operated from the pentode section of the compactron, and the phone jack (J4) is arranged to disconnect the speaker when the phones are in use.
		All parts of the receiver, with the exception of the spare-coil rack, and the trap door for coil changing, are mounted on the portion of the chassis box used to form the front panel and sides.
	home.gwi.net /~jdebell/pe/1963/PE63JanP39.htm (1760 words)

	Hickok Tube Testers, 1955-1965 (Site not responding. Last check: 2007-09-10)
		Strangely enough, while the early module would seem to be much more desirable, bidders on on-line auctions do not seem to understand the difference.
		Initial versions did not have compactron capability which was added with the "A" revision.
		A 752A may be easily recogized by a third octal-sized socket in the vertical row to the left of the meter.
	personal.lig.bellsouth.net /p/a/padgett46/1960h.htm (358 words)

	Photoconductive Cells For Industrial Use
		They are available in four basic sizes: a "Compactron" type, a 9-pin type in a conventional tube envelope, a medium size, and a miniature type, each with flying leads.
		The "Compactron" type and the two smaller cells are end-illuminated, while the fourth is side-illuminated.
		The "Compactron" type Z-2946 and the conventional-tube envelope type 7427 are all-glass, while the medium-size cell Z-2963 and the miniature Z-2755-1 are of metal-to-glass construction.
	www.elecdesign.com /Articles/ArticleID/3536/3536.html (405 words)

	6JS6C finals - Elmers Forum at eHam.net
		One of the tubes was marked "compactron" in large yellow letters.
		You could have the original finals-I'm the original owner of a Yaesu FTdx400 that was purchased new in Japan (1967) and it had a US-made GE 6GK6 driver tube (feeding two Toshiba 6KD6's) in it when it came out of the box.
		"Compactron" was a GE trademark for their line of fat all-glass tubes designed for TV service.
	www.eham.net /forums/Elmers/5050 (369 words)

	Compactron - Wikipédia
		Le Compactron est un type de tube électronique commercialisé en 1961 par General Electric.
		La plus part des compactrons sont des tubes à éléments multiples, comme des triples triodes, des doubles pentodes, ou bien des tubes pour les applications hautes tensions et de fortes puissances comme les tubes utilisés pour le balayage des écrans de télévisions.
		Une particularité de la plus part des compactrons est que le queusot, se trouve sous le tube, contrairement aux tubes « miniatures » classiques qui ont le queusot sur le dessus du tube.
	fr.wikipedia.org /wiki/Compactron (187 words)

	Vacuum tube - Facts, Information, and Encyclopedia Reference article
		For instance, an early type of multi-section tube, the 6SN7, is a "dual triode" which, for most purposes, can perform the functions of two triode tubes, while taking up half as much space and costing less.
		The 6AG11 Compactron tube contained two triodes and two diodes.
		Currently the world's most popular vacuum tube is the 12AX7, with estimated annual worldwide sales of greater than 2 million units.
	www.startsurfing.com /encyclopedia/v/a/c/Vacuum_tube.html (3263 words)

	A recommended list of Hickok tube testers
		These units have the same socket complement as 533A, except for 800A which has 9 and 12 pin compactron, and is more expensive for that reason.
		The "C" model is the premium model with 9 and 12 pin compactron sockets.
		The "A" model has the 9 and 12 pin compactron sockets and is more money.
	www.tubewizard.com /recommended_Hickok_testers.htm (953 words)

	Audio Amplifiers From TV Compactrons
		It wouldn't have to play loud enough for the whole neighbourhood to hear it but it would need to be higher in sound quality than the typical portable or clock radio.
		In addition to this the question has arisen of what to do with an accumulation of Compactron type television vacuum tubes that will never be used in television service again.
		I concluded that these two concerns might answer each other and that working on them together might be a good way to go.
	www.angelfire.com /vt/audio/compactron.html (1381 words)

	6T9 (Site not responding. Last check: 2007-09-10)
		The 6T9 Transmitter has been featured in a number of ARRL textbooks including the Handbook, and "How to become a Radio Amateur".
		It is based on the 6T9 compactron tube which houses a triode and a pentode in the same envelope.
		The original design used plug in coils for 80 and 40 meter operation.
	www.qsl.net /kd6cc/6t9.htm (65 words)

	Damper Diode
		Compactron dg damper diode octal wgt damper diode octal wgt damper diode octal dw qty damper diode octal wgt damper diode compactron ay damper diode octal wgt damper diode w damper diode.
		Damper diode compactron cj damper diode octal wgt damper diode compactron cj damper diode bq horiz out octal with cap bq horiz out octal with cap cd horiz out octal with cap jg.
		DW Damper diode compactron ay damper diode w damper diode bq horiz out octal with cap bq horiz out octal with cap jg.
	www.siteradar.com /damper-diode.htm (687 words)

	Tubes To Transistors - The Transition
		But in the the late 1950's, designers still had a few tricks up their sleeves.
		Compactrons are multi-function valves, combining diodes, triodes, and pentodes in various combinations, designed to reduce size and component counts in entertainment and industrial devices.
		Typical dimensions are 1-1/8 inch diameter and overall height ranges from 1 inch to 2-3/4 inch depending on the configuration.
	www.portabletubes.co.uk /sitefiles/newtubes.htm (961 words)

	Multi-Function Compactrons Promise Two-Tube Radio
		Multi-function tubes, combining diodes, triodes, and pentodes in various combinations, were recently announced to reduce size and component counts in entertainment and industrial devices.
		"Compactrons," from General Electric, Owensboro, Ky., have 12 pins arranged around a 3/4-in.
		For tv applications, where heat and high voltage isolation problems are common, single rather than multi-element compactrons are available.
	www.elecdesign.com /Articles/ArticleID/4554/4554.html (354 words)

	Compactron "AA3" AM tube radio
		See the combo compactron/ submini radio at the bottom of this page for an example of this.
		Carefully bending the leads on a 12 pin compactron socket, try to connect the appropriate pins to the appropriate circuit board socket holes.
		Here we are using a compactron tube meant for use as a TV set vertical oscillator and output.
	home.netcom.com /~wa2ise/radios/compaa3.html (5744 words)

	Take a BrainSip (Site not responding. Last check: 2007-09-10)
		The Compactron is a 12-pin vacuum tube family introduced in 1961 by General Electric in Owensboro, Kentucky with the express purpose of keeping tubes in the market for a few more years during the solid state revolution.
		A distinguishing feature of Most Compactrons is the placement of the seal-off tip on the bottom end, rather than the top end as was customary with "miniature" tubes.
		12AE10 Compactron tube (a dual pentode), made by GE
	compactron.mestskadoprava.sk (129 words)

	EB5AGV's One Compactron Receiver page
		The article reproduced here was publised in the 'General Electric Electronics Components Hobby Manual', 2nd edition 1965.
		It is a broad coverage (250kc - 16Mc) regenerative receiver, made basically with just one 6AF11 compactron tube and four plug-in coils.
		I would like to hear your experiences with this nice little rig.
	www.jvgavila.com /compac.htm (51 words)

	Marco.Ooijer.com - Vamp
		So this setup is probably overkill, but I'd reccommend to anyone to filter the B+ with one stage (or a pi-filter), before the signal gets sent to the output transformer and power tube.
		I had bought some tubes from a fellow AX84 board member, and among them were 6K11 compactrons carrying 3 triodes.
		I installed the socket in the hole for the 12-pin compactron; both sockets are the same size, fortunately.
	home.planet.nl /~ooije375/vamp/vamp.html (2739 words)

	B&K 707 Tube Tester (Site not responding. Last check: 2007-09-10)
		If you check a tube on the lower bank of sockets (later type sockets like 12 pin compactron), you need to adjust 4 additional knobs.
		Has "Test 2" button which tests the second section of a double section tube such as 12AX7.
		Tests octal, 7 and 9 pin minature, 9 and 12 pin compactron tubes.
	www.vacuumtubes.com /707.html (154 words)

	RadiolaGuy.com : vintage test equipment
		To test the newer (late 1960's on) which are the; Novar, Duodecar (compactron), and Nuvistor based tubes.
		This version is equipped with the interchangeable socket island that will test all tubes designed from the 1940's on.
		The tubes included are: those with octal, loctal, 7, 9 and 10 pin miniature, Novar, Duodecar (compactron), and Nuvistor bases.
	www.radiolaguy.com /equipment.htm (1932 words)

	Jeff Duntemann's Homebrew Radio Gallery (Site not responding. Last check: 2007-09-10)
		They were easy to make, since in both cases (octal and 7-pin miniture) the pins are on 8 equally spaced sectors.
		It works...ok. The circuit is idiotic: A 6AF11 Compactron triple triode, with a single-stage regenerative detector followed by two stages of audio.
		It was deafening—but so "dead" at RF that mostly what you heard out of the speaker was 60 Hertz buzz.
	www.duntemann.com /radiogallery.htm (2371 words)

	Amazon.com: Compactron (Site not responding. Last check: 2007-09-10)
		Get it by Tuesday, December 26, if you order in the next 16 hours and 35 minutes.
		(The 6J11 compactron tone generator is unrelated to...
		General Electric introduced the Compactron in 1961, a tube device...
	www.amazon.com /s?ie=UTF8&keywords=Compactron&tag=bizkitt-21&index=blended&link_code=qs&page=1 (368 words)

	Axial Type Tube Sockets
		The tube pin receptacles or contacts are constructed of Plated Beryillium Copper.
		Octal, Compactron, and 4 pin(300B) sockets will be manufactured.
		These sockets will also be offered with a two point shock mounting system that mount in the standard tube socket chassis holes.
	home.att.net /~chimeraone/axialtubesockets.html (496 words)

	Compactron-Roehren
		Diese Seite zeigt die in den USA hergestellten Mehrfachsystem- (Verbund-) Röhren, sogenannte Compactron - Röhren.
		Diese Röhren besitzen wie die Compactron mehrere Systeme in einem Kolben, jedoch besitzen diese Röhren nur 9 Kontakte, den Novar (B9E) - Sockel.
		Die "novar base" war eine RCA Weiterentwicklung des Noval Sockels - B9A (amerik.
	jogis-roehrenbude.de /Roehren-Geschichtliches/Compactron/Compactron.htm (128 words)

	diyAudio Forums - a better pentode for less!
		compactron: 6BV11,12BV11 (two dual control units per tube)
		compactron mixed: 6AD10, 6AL11, 6BF11, 6BY11, 6G11, 6T10, 6Y10?, 9BJ11,12AE10, 13V10, 18AJ10 (one dual control unit and one power pentode per tube)
		The 9 pin tubes are dual control and dual plate.
	www.diyaudio.com /forums/showthread.php?postid=226416 (867 words)

	HHScott Vacuum Tubes -- 6AG11 - Compactron -- Overview
		HHScott Vacuum Tubes -- 6AG11 - Compactron -- Overview
		H.H. Scott applications that use the 6AG11 Compactron:
		Duodecar type used as twin resistance-coupled amplifiers in audio equipment.
	www.hhscott.com /cc/ts/6AG11.htm (40 words)

	Hickok 6000 Tube Tester
		The difference between the 6000 and 6000A is that the 6000A has a socket plate which has all of the modern sockets (octal, 7 and 9 pin minature, nuvistor, 9 and 12 pin compactron) and the 6000 has the older socket plate (4, 5, 6, 7, octal, loctal, 7 and 9 pin minature).
		Therefore, you would not want a 6000A if you intend to test mainly older tubes (45, 2A3, 76, etc.).
		6000A has 7 and 9 pin minature, octal, 9 and12 pin compactron and nuvistor sockets
	www.vacuumtubes.com /6000.html (287 words)

	Tube DIY Asylum - Re: Here's a source for MagNoval B9D compactron sockets - Pär, March 05, 2004 at 06:14:33 (Site not responding. Last check: 2007-09-10)
		Tube DIY Asylum - Re: Here's a source for MagNoval B9D compactron sockets - Pär, March 05, 2004 at 06:14:33
		In Reply to: Re: Here's a source for MagNoval B9D compactron sockets posted by rwalton on March 05, 2004 at 02:52:11:
		I think the "pin circle" (diameter) is the same (or alike enough) but the pins are a tad tinner on novar than on magnoval...
	www.audioasylum.com /forums/tubediy/messages/49166.html (193 words)

	Chevrier Instruments inc. : Liste des produits
		Afficheurs numériques 3½ chiffres - Compactron - AF3
		Afficheurs numériques 4½ chiffres - Compactron - AF4
		Afficheurs numériques 5 chiffres encastrables - Compactron - AF5
	chevrierinstruments.com /Francais/Produits-categorie-details.asp?... (1265 words)

	Vacuum Tubes, Inc. - Adaptors and Parts
		Can also be used as a tester socket saver.
		Allows in-circuit voltage testing of 12 pin compactron types.
		Test Socket, 12 pin compactron, cathode current test adaptor
	www.vacuumtubesinc.com /socketsparts.html (191 words)

	[AF] Re: 12AX7 Dual Horntode... (Site not responding. Last check: 2007-09-10)
		Anyone come across the GE Compactron version of the AA5?
		Supposedly they did it with two envelopes: http://www.elecdesign.com/Articles/ArticleID/4554/4554.html Also found this one-Compactron AA5 circuit using the imaginary 117AA16 tube -- theoretically possible with a 17-pin socket: http://pw2.netcom.com/~wa2ise/radios/aa5-1t.html I had fun many years ago building a single-tube Compactron regenerative FM receiver.
		GE used to have a great surplus store ("Op II") near their plant in Syracuse and you could buy the tubes there (along with test equipment and lots of other stuff) for pennies on the dollar.
	lists.radiolists.net /pipermail/af/2005-July/004177.html (161 words)

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