Detailed data sheets on the various tubes listed in this catalog are available. The 7189a power pentode is the same as the 7189 but has two pinout differences, as follows. Certain amplifiers, designed specifically for 7189a, cannot be used with el846bq57189. Single stereo,push pull monoral 21711, tateishi, katushikaku. A compactron used in television sets to supply power to the anode of the picture tube. The plate resistance was generally less than half of the 62. Musical instrument tube amp building, maintaining and. I just took a quick look at tdsl3 and saw the similarities. Ive also posted sylvania tube manuals on their own page. With almost datasheets and the visitor counter indicates over 4000. Not coffee table reading, but if you want to know, its probably in there. Known for their reliability and articulation, the jj 6l6gc is a great option guitar amplifiers and hifi stereo.
The program contains technical specifications, service schedules, electronic systems, fault diagnosis and customer management. This one has a lot of pages from the european philips tube manual. Early rca 7189, 1970s rca 7189, sylvania 7189 and raytheon 7189. The 1959 miniwatt technical data book from philips lists the 6bq5 as the r. Also included are the latest tube types registered with eia but not yet in production. The jj electronic 6l6gc is the classic pentode built with the rugged construction that only jj could deliver. Jean hiragas book of japanese tube trends in my hand. The reverb uses a 12au7a as phase inverter for a 25kct. See mp1, mp2, mp3, mp4, and mp5 pages for details of other pro series amplifiers. Many files on this site, especially scanned documentation, are in adobe acrobat pdf format.
Owner jim cross and his knowledgeable staff continue to offer the same great expertise and service. Comments are always welcome and if you have a favorite amplifier you would like to share with us, please write to me at. As of 3505, i have finished scanning the general section, receiving tubes part 1, receiving tubes part 2, miscellaneous, specialpurpose receivingtype tubes, thyratron, ignitron, and glowdischarge tubes, and most of the transmitting tubes, as well as all. We specialize in newoldstock tubes and offer high quality tubes, sockets, capacitors, and other parts. Frank philipse pocnet mirror patrik schindler, 7189a.
The unique 9le base is similar to the 9cv, but on some magnatones, the difference might prevent interchangability. Battery types, ubiquitous before the 1930s but since then only for mobileportable equipment with a. This is done in case of equal tube type numbers for different tubes. For measuring the probes are simply installed between the tube socket and the tube, connected to the tad biasmaster. On a few of the tube data sheets there is some fading but all in all you would be hard pressed to find an original like. This report presents historical and recent labor force and earnings data for women and men from the current population. Substitutes are given as a guide only please refer to original manufacturers data sheets to ensure that a substitute is safe and appropriate for your application. The tube amp book by aspen pittman, now in its fourth edition.
An interchangeable north american type is the 6bq5 the retma tube designation name for the el84. Types 67 section 5 picture tube substitutes 79 fln in i introduction the first section of this book lists all receiving tubes which have been or are being manufactured in this country. This made the tube crosstalk between the a and b side in many amplifier designs. Before the advent of semiconductor devices, thousands of tube types were used in consumer electronics. Permanenter link seiteninformationen wikidatadatenobjekt artikel zitieren. I have one data book for an eico 666 and that tube is not listed. The simplest vacuum tube, the diode, contains only two elements. This is a suitable replacement for any 6bq5 el84 cv2975 e84l 7189 tube type. I frequently add more as i find the time to dig deeper into the circuits and i keep finding more interesting schematics for us hungry schematic analysts. Probes for el84, 6bq5, 7189a can be ordered separately bma2el84. List of vacuum tubes wikimili, the free encyclopedia. It is used in the power output stages of audio amplifiers, most commonly now in guitar amplifiers, but originally in radios. Details add to cart the 7189a is uprated version of the el84 440v plate voltage whereas a typical el84 is 300v.
The jj el84s is a great sounding tube that has a long life and is reliable. It differs from the 7189 in having a higher screenvoltage rating and in specifying. This tube has a different pinout and cannot be used in 6bq5el84 sockets unless you have verified it will work. Before the advent of semiconductor devices, thousands of tube types were used in consumer and industrial electronics. Try searching the tube data sheet locator, the worlds biggest index of tube datasheets other pages online with tube. This code can beused to see what tubes can be interchanged, at least as far as the pins are concerned. Ultralinear distributed load highfidelity vacuum tube audio amplifiers ultralinear operation, also known as distributed load operation, is a term when applied to singleended or pushpull vacuum tube audio amplifiers, that describes the particular output stage configuration whereby the screen grids grid 2 of tetrodes, pentodes or beam power tubes are fed. Vacuum tubes fall into three mainly noninterchangeable categories regarding their heater or filament voltagecurrent, though some tubes heaters run at both a standardized voltage and current, e. Tube 7189a or rohre 7189a id66, vacuum pentode, noval, b9a and poweroutput shown. In electronics, a vacuum tube, electron tube in north america, tube, or thermionic valve or valve in british english is a device controlling electric current through a vacuum in a sealed container.
Tolerance data repair data and wiring diagrams up to 2009 latest version up to 4 pcs license tolerance data gives motor mechanics quick access to a timesaving tool containing very detailed information. A lot of those magnatones had a small cap at the end of the line. G audio threshold system z20 is used in uh1 h, four discrete signal discriminators md736a are used in uh1 dh. List of vacuum tubes project gutenberg selfpublishing. E homing antenna 637a2 is used for uh1 dh, as1922arc is used for uh1 h. Only a few types are still used today, mainly in highpower, highfrequency applications. The datasheet details use in ultralinear applications which magnatone used.
Transformers for vacuum tube amplifier acousticdimension. The appalachian trail databook for thruhikers and section hikers is here is the home of the databook, a development to create a web based online database of information for appalachian trail and other hikers. No data is found on this tube, except for the filament power which is 3. Some quick and dirty subs and some tube data such as recommended bias current and appx voltages. I am working on scanning and placing on this page the entire rca hb3 tube manual. American name for the el84 in its type number cross reference, and hence an exact substitute. The 7189a was introduced in late 1959 and was designed specifically for high end audio use. The el84 is a thermionic valve of the power pentode type. This is a list of vacuum tubes or thermionic valves, and lowpressure gasfilled tubes, or discharge tubes.
Tolerance data 2009 software repair data and wiring. All tubes have a basing specification, or pinout code. The 7189a has different internal pin connections different than a 6bq5 el84 cv2975 e84l 7189 tube type. These subs are all taken from the tube substitution handbook sold by antique electronics supply. The el84 is smaller and more sensitive than the octal 6v6 that was widely used around the world until the 1960s. We should be able to find data on this tube, on request.
In many of brad paisleys amps the output sets are changed every 10 or so shows, about every 30 or so hours. The semiconductor manual contains detailed data concerning amperex tran sistors. Tolerance has focussed on functionality, data quality and. We have added a shopping cart for easier ordering and an improved search feature. Octal lnavgaaaf12bit adc and cw iq demodulator ad9276 rev. American and japanese manufacturers might label their versions of the el84 as el846bq5 or 6bq5el84 or simply 6bq5 other manufacturers followed with their. Herein you will find a collection of vintage engineering texts, vacuum tube datasheets, and other obsolete information, presented free of charge and without annoying advertisements. For the 7189a, the code is 9le, for the 71896bq5el85el84m, it is 9cv. The tube would act more like a capacitor than a tube. The underscore and these letters are not part of the tube type number. F homing data is displayed on id453arn30 in uh1 dh configu rations c, d and e or id1 347arn82 in uh1 dh configurations f through j and uh1 h.