Nj7p bill beechs online tube data from mostly rca manuals. The 6146w vacuum tube is a ruggedized military version of the 6146 family of tubes. This is a premium version of the 12au7 made only by cbshytron. This tube is essentially two 6c4s or two ec90s in the same envelope. Tube 5814a or rohre 5814a id3634, double triode, noval, b9a and universal shown. All tubes are tested on an amplitrex at tube tester fixed bias mode. It belongs to a large family of dual triode vacuum tubes which share the same pinout retma 9a.
Overall, these are a step up from the standard ecc82 tubes, since they have military specs. Substitutes may be used freely for the extreme majority of all circuits. As always, use what sounds best as each tube will have its own character within the type and brand selected. The tube is popular in hifi vacuum tube audio as a lownoise line amplifier, driver especially for tone stacks, and phaseinverter in vacuum tube pushpull amplifier circuits. I change this directory structure often and your links will not work correctly. You can use acrobat for viewing and printing pdf files. Original raytheon tube boxes have rarely survived the decades.
Tube 7695 or rohre 7695 id6197, vacuum pentode, noval, b9a and poweroutput shown. The rca 5814a is more like the mullard, with a rich warmth and wide bandwidth. Designed as audio and general purpose triodes, two independent valves exist in the envelope. This data is based on my experience, and input from my electrical engineering audiophile friends. Tube 1 tested at 19571950 89%89% tube 2 tested at 20931951 95%89% all this by a guy who didnt have a single tube in his system for 41 of the past 42 years of stereo ownership. My favorite tubes and their substitutes by robert h. This tube has a specially designed cathode which can withstand long periods of time in cutoff without hurting the tube. The 6883b 8032a 8552 vacuum tube is a small, sturdy, glassoctal heater cathode type used as an af power amplifier and modulator and as a rf power amplifer and oscillator. The second number is the transconductance gm test result percentage of class a data sheet specification. Current information gives the valve as now being made by philips ecg in the usa.
Sylvania gold brand gb 5814a 12au7 triple mica d getter. Recent listings manufacturer directory get instant insight into any electronic component. One reason may be that raytheon wrote their warranty and proprietary information inside the tube box. Here youll find a modest collection of datasheets for some popular tubes. At the bottom of this page youll find some links to other tube datasheet sites in case you cant find what youre looking for. S5814ai4t1u with eda cad models manufactured by sii semiconductor. Motorola, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated. Welcome to the hoffman amplifiers forum el34 world.
In television receivers the ecc82 was used as frame and line timebase multivibrators, agc circuits. The genuine el34 will not pass the current nor stand the heat. If the page is blank click here sylvania 12dw7 datasheet. Motorola, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. Quick reference data life test 500 hours mechanical quality shock and vibration resistant base octal heating indirect heater a. This tube has very low noise characteristics and heavily plated gold pins. This is done in case of equal tube type numbers for different tubes.
This makes it ideal as a driver for power tubes in modern audio amplifiers. To prevent damage to equipment, it would be wise to double check with a good tube manual before actually doing a substitution. If the page is blank click here rca 6fq7 6cg7 datasheet. The first number listed is the emission test result percentage of class a data sheet specification. Western electric the western electric tube datasheets. An amplification factor of 17 is quoted, which is much lower than that for the pin compatible ecc83 at 100. This page lists all of the 12au7 tubes i currently have in stock, including all. Jul 24, 2018 the thin glass tube envelope is 20 mm in diameter and the length excluding the b9a base pins, is 48 mm. The underscore and these letters are not part of the tube type number. The 12au7 and its variants are a miniature ninepin b9a base mediumgain dual triode vacuum tube. The 5963 has a max plate voltage of 250v while 12au7 has a max of 330v. Operating at 675 volts on the tube plates, this thing should do a very solid 100 watts or more it is probably using the data sheet s 100w conditions. As of 2012 update the 12au7 continued to be manufactured in russia, slovakia jj electronic, and china.
Tube type list the following list shows the tube types i have entered in my database, with exception of the service types e. The following list shows the tube types i have entered in my database, with exception of the service types e. Tested for emission, gm, gas, shorts, and hk leakage. Heater voltage heater current direct interelectrode capacitances per triode grid to cathode and heater plate to cathode and heater grid to plate maximum ratings design maximum values plate voltage in cold condition. This tube may be used with full input up to 60 mhz and with reduced input up to 175 mhz. I love and appreciate tube based audio gear and own sixteen pieces of tube gear between my two reference systems. Double triode, 6h8c datasheet, 6h8c circuit, 6h8c data sheet. Thanks to max, the chance i have it, has increased considerably.
It is a small, sturdy, glassoctal heater cathode type used as an af power amplifier and modulator and as an af power amplifer and oscillator. It was widely used, in specialquality versions such as ecc82 and 5814a, in presemiconductor digital computer circuitry. The thin glass tube envelope is 20 mm in diameter and, excluding. Current production 12bh7a from electroharmonix is a direct replacement for any 12bh7 and 12bh7a. Buy s 5814a n4t1g seiko, view the manufacturer, and stock, and datasheet pdf for the s 5814a n4t1g at jotrin electronics. This is my fav tube for selfsplit output tube ala gerald webers solo7 and even in a fireflytype amp.
Double triodes of the 12au7 family have a centertapped filament for use in either 6. 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. It is intended for audio frequency power amplification service in either pentode, ultralinear or triode connection and single or pushpullparallel. Etc, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors. The thin glass tube envelope is 20 mm in diameter and, excluding the b9a base pins, is 47 mm tall. Each half is sensibly equivalent to one ec90 triode. High current lead mounted silicon rectifiers 50 volts diffused junction, mr758 datasheet, mr758 circuit, mr758 data sheet. 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.
A very nice amperex holland made 7062 tube, which is nearly identical with the 12at7 and 5965 type, which has just a bit lower gain than the 12at7. All date coded 1959 and 1960, labeled for cei france or ibm, but have the heerlen, holland triangle factory code on the glass. Svetlana technical data el346ca7 high performance audio power pentode he svetlana el34 is a glass envelope power pentode having a plate dissipation rating of 25 watts with convection cooling. Tube special quality double triode designed for use as series regulator tube in d.
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