Purchase 14a7 vacuum tubes online, in stock and ready to ship. Electron tube data sheets electron tube data sheets. Another spot to look, which is especially useful if youre looking for replacement types and tubes with similar bases or characteristics, is the nj7p tube database. The 12at7 is a high mu multipurpose double triode in a 9 pin miniature package. Tube 14a7 or rohre 14a7 id2825, vacuum pentode, loctal8, b8g sylvania, 1938 and rfifstage shown. For more information on 12at7 vacuum tubes including pinouts, ratings, datasheets, applications, and possible substitutions visit 12at7 in wikipedia, 12at7 in duncan amps, and 12at7 in the tube directory back to top.
New boxed, data sheet available by email on request. The 12b7 is identical to the 14a7 as can be seen from the double. The 12at6 is a double diode triode for receiver applications. This data is scanned and may contain errors caused by the ocr software. Akes tube data information about electron tubes, and valves, from many parts of the world. Vintage 14a7 sylvania pentode radio receiver tube valve bangybang tubes. Vacuum tube 12b7 14a7, pentode, remote cutoff amplified. Ge essential characteristics, the whole 228 page book in an indexed pdf file big, 11mb. The technical data is contained in the highresolution color scans of over 20 original catalogs from 1958 to 1963. The tube list at abc vacuum tubes is very extensive, as is our inventory of vacuum tubes, grid caps, sockets, valves and capacitors. Spheres vacuum tube page sphere research corporation. The cathode tube extends above the triode structure and two bright metal straps can be seen in the picture, these are formed into 2 mm squares at the top of each strap. Discussion in homebrew and kit projects started by n8aft, jun 17, 2017.
Notes pin soldering and bending should be performed at least 5mm away from the glass body. Following that is a pinout diagram and other info in english. This tube is about a halfinch taller than the standard 12at7, so chassis space is an important consideration. Recent listings manufacturer directory get instant. Electron tube data sheets electron tube data sheets, valve, tube, electron tube, vacuum tube, diode, triode, tetrode, pentode, hexode, heptode, octode, enneode. After long period of nonuse it is recommended to train cathodes applying working current for 1. This list is biased by the tubes that i have encountered during the repair of the many tube amps that have come to my repair shop.
I still dont know the manufacturer of this particular tube. Plenty of punch in the upper mids and tight bass make this tube sound at home in guitar amps and the finest hifi systems alike. Due to coronavirus covid19 we have limited staff working on location. Details about vintage 14a7 sylvania pentode radio receiver tube valve bangybang tubes. Alesa vaic vacuum technology tube data and other information from this company in germany. Xray properties of elements electron binding energies xray energy emission energies fluorescence yields for k and l shells principal auger electron energies. A flat sheet beam is electrostatically deflected across the anode which is.
A few specialquality tubes did not have a standard equivalent, e. Tubes in the tube column are directly replaceable with tubes in the replacement column. Follow the links on the left to find the tubes, valves, sockets, grid caps, and capacitors for your antique radio, ham radio, hifi stereo, or other electronic piece. With almost datasheets and the visitor counter indicates over 4000. In14 nixie tube data first, here is a scanned original data sheet as supplied by the reflector factory with the tubes.
Vacuum tube 12b7 14a7, pentode, remote cutoff antique. The 14a7 is an early all glass construction pentode. At the bottom of this page youll find some links to other tube datasheet sites in case you cant find what youre looking for here. Thanks to frank philipse for supplying the above pdf datasheet. Nos tube specification sheet nos tube specification sheet. This one has a lot of pages from the european philips tube manual. The tube list at the tube center is very extensive, as is our inventory of vacuum tubes, grid caps, sockets, valves and capacitors. In addition to the data i have scanned and posted, if youre looking for data on a particular tube you should visit tsdl on duncanamps website, or franks tube data. Tube 14q7 or rohre 14q7 id2645, pentagridconverter heptode, loctal8, b8g sylvania, 1938 and pentagrid new shown. Try searching the tube data sheet locator, the worlds biggest index of tube datasheets other pages online with tube data. The 12b7 is a pentode type amplifier tube with remote cutoff characteristics designed for. Pentode type amplifier tube with remote cutoff characteristics designed for use as a high.
Lawrence berkeley national laboratory introduction. All 12at7 ecc81 6201 cv4024 12au7 ecc82 cv4003 5814 12ax7 ecc83 cv4004 5751 6922 6dj8 7308 pcc88 6sl7. This tube finds use as a phaseinvertersplitter in pushpull amplifier circuits in acdc radio equipment and in many diversified applications such as multivibrators or oscillators in industrial control devices. Tube list within range of tubes cw40 90c1 at esrc vacuum tubes 3. Bold designators are close or identical, italic designators are different ratings, different pinouts or different filament voltages. I try to concentrate on popular andor readily available tube types. About the 304tl family tube data for the 304tl and other similar tubes. Rca rc10 tubemanual 1933 complements of tim reese and harvarduniversity. The 12au7 is a medium mu multipurpose double triode in a 9 pin miniature package. Please see the substitutes at the top of the page for more details.
But im still sticking with tungsol as my best guess. Tube depot carries a selection of 12at7 ecc81 cv4024 pre amp vacuum tubes. Tube 14a7 or rohre 14a7 id2825, vacuum pentode, loctal8, b8g sylvania, 1938 and. Electrically the 7a7 and 14a7 are similar to the io based 6k7gt and 6sk7gt. An industrial, computer rated dual triode, virtually the same specs as the e180cc or 7062 listed above. 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. To prevent damage to equipment, it would be wise to double check with a good tube manual before actually doing a substitution. Data for soviet tubes can be found the same way as the other tubes. This is a list of vacuum tubes or thermionic valves, and lowpressure gasfilled tubes. Acorn tubes data in german but has some links in english.