Current events random article donate to wikipedia wikipedia store. The 12au7 and its variants are a miniature ninepin b9a base mediumgain dual triode vacuum tube. Eirc electronic tubes factory data sheet ecc8212au7 page 1 of 4 telephone. The temperature inside such tube computers was very high, and even the ambient temperature was a lot higher than for a household radio or tv.
Matched pair ecc82 12au7 ei yugoslavia telefunken long smooth. Quick reference, connected to earth, the more favourable triode section of the tube with regard to hum is the section connected to pins 6, 7 and 8. This 12au7 offers smooth tones and clear definition which is why its no. Ecc82 datasheet, ecc82 datasheets, ecc82 pdf, ecc82 circuit. The lm317 device is an adjustable threeterminal positivevoltage regulator capable of supplying more than 1. We were surprised at the very low cv number, suggesting availability at the start of wwii even though the b9a base is post war in the uk. So along with a digital tube computer comes a storage room, with a few thousand spare tubes. Pdf ecc82 7z0s05953 ecc82 ecc82 tube ecc82 tube data ecc8 ecc82 triode. Auction is for one platinum matched pair two tubes of fully tested nos nib tubes, rare ecc82 12au7 ei made in yugoslavia on geniuine telefunken made tooling machines. The jj ecc82 is a good solid reliable valve that gives a good rich sound. Frame grid wires can be as thin as 10um, which is technologically speaking a masterpiece of fine mechanics.
They are real vintage nos tubes in original boxes made back in 80s in ei tube factory in nis, serbia. Double triode 5 ugv iama uav25 20 15 10 5 0 0 0 5 10 15 20 50 100 150 200 250 300 350 400. So along with a digital tube computer comes a storage room, with a few thousand. Most of the datasheets are in pdf format and some are links to other html pages. Double triode quick reference data anode current ia 10,5.
Diy 12au7 ecc82 tube irf510 mosfet headphone amplifier. The starting voltage of datasbeet ccf tubes is both time and temperature. I tried ecc81, does a good job, but need less gain for sure. The 3 datasheet pdf s you gave links for, and my data books, dont have easytocompare plate curves for the same vg2, but from the perfect match in maximum ratings the el86 is obviously the closest family member to the pl84 and ul84. This is a list of vacuum tubes or thermionic valves, and lowpressure gasfilled tubes, or discharge tubes. Please see the substitutes at the top of the page for more details. Ecc82 double triode 1954 components datasheet pdf data sheet free from datasheet data sheet search for integrated circuits ic. Vacuum tube 12au7 ecc82, jj electronics amplified parts. Thanks to frank philipse for supplying the above pdf datasheet. The useful dynamic range extends to 100 ma as a switch and to 100 mhz as an amplifier. Only a few types are still used today, mainly in highpower, highfrequency applications. Buy jj ecc82 12au7 vacuum tubes online, in stock and ready to ship. Guys, have quite expensive vintage amps and to increase headroom of input stage i want to put ecc82 tube instead of schematics 83.
Ecc82 pdf, ecc82 description, ecc82 datasheets, ecc82 view. Features, eirc electronic tubes factory data sheet page 1 of 4 ecc82 12au7 ecc82 is a. I use the term builder as electronic experience combined with innovation which allows the creation of a device, rather than simple board stuffing. Npn general purpose amplifier this device is designed as a general purpose amplifier and switch.
Double triodequick reference dataanode current ia10,5ma datasheet search, datasheets, datasheet search site for electronic components and semiconductors, integrated circuits, diodes and other semiconductors. Novaltypical characteristics and operating conditionsanode voltage datasheet search, datasheets, datasheet search site for electronic components and semiconductors, integrated circuits, diodes and other semiconductors. The ecc82 isused in marshall and vox amps and these are great solid sounding amps. This schematic below is a simple two stage linelevel preamplifier using a single 12au7 ecc82 tube per channel.
Ecc82 datasheet, ecc82 pdf, ecc82 data sheet, ecc82 manual, ecc82 pdf, ecc82, datenblatt, electronics ecc82, alldatasheet, free, datasheet, datasheets, data sheet. Eirc electronic tubes factorydata sheetecc8212au7page 2 of 4telephone. Price includes vat and second class post in the uk. Matched pair ecc82 12au7 ei yugoslavia telefunken long. The device provides differential transmit capability to the bus and differential receive. Diy ecc802s 12au7 ecc82 vacuum tube srpp preamplifier. Double triode, ecc82 datasheet, ecc82 circuit, ecc82 data sheet. Somebody told me that 8381s are interchangeable but 83 and 82 are not. General description the pca82c250 is the interfac e between a can protocol controller and the physical bus. The limits given in the tube ratings cover these factors. The temperature inside such tube computers was very high, and even the ambient temperature was a. Etc2, alldatasheet, datasheet, datasheet search site for electronic components and. Double triode quick reference data anode current ia10,5ma transcoductance s2,2mav amplification 17 heating heating is indirect by ac od dc, with serial or parallel supply. Mullard ecc81 12at7 6201 gold pin when only the finest possible 12at7 ecc81 will do.
Nos original box order nr for a matched and balanced pair. Valves use high voltages and these voltages are dangerous. The 5814a is a militaryindustrial grade 12au7 with low noise and high. Pca82c250 can controller interface nxp semiconductors. The output stage of the circuit is a cathode follower and is suitable to drive a low impedance amplifier. The overall voltage gain of the circuit is about 8. It belongs to a large family of dual triode vacuum tubes which share the same pinout retma 9a. Standard replacement for all circuits requiring 12au7ecc82 types. Double triode,alldatasheet, datasheet, datasheet search site for electronic components and. Vacuum tube 12au7a ecc82, electroharmonix amplified parts. If the page is blank click here ge 12au7 datasheet. Absolute maximum ratings t a 25c unless otherwise noted.
December 1969 ecc82 capacitances grid co all except anode cga 1. Apr 27, 2020 the limits given in the tube ratings cover these factors. An amplification factor of 17 is quoted, and the ecc82 is virtually a pair of ec90 triodes in a single envelope but not designed for rf use. Eirc electronic tubes factorydata sheetecc8212au7page 1 of 4telephone. It requires only two external resistors to set the output voltage. 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. When the heater and positive voltages are obtained from a storage battery by means of vibrator, the max.
The advantages of such a line stage are much the same as those when a srpp is used as a driver. Many industrial, military or otherwise professional tubes were also produced. There are many equivalent tubes with different names, some identical, some designed for ruggedness, long life, or other. The np100v12 is a simple headphone amplifier that allows an entry level builder to experience assembling and listening to their own creation. Due to the combination of low gridplate capacitance and medium gain, it is suited for use in audio voltage amplifier with an extended frequency range. Ecc82 datasheetpdf list of unclassifed manufacturers. Before the advent of semiconductor devices, thousands of tube types were used in consumer electronics.
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