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