The only problem with these tubes is low ug2, so you have to stay pentode. I read of toms efforts to find a matched quad of anything in 6em7s and so i elected to go this nonebay route to get the same tube in a compactron base for easy quads. I see that these are similar to 6bq5s, but have a different pinout and can take a little more plate voltage. Due to coronavirus covid19 we have limited staff working on location. Numbers shown in light blue background are coldcathode tubes. All tubes new, military equipment and have otk mark.
Try searching the tube data sheet locator, the worlds biggest index of tube datasheets other pages online with tube data. The only reason that comes to mind is that if two tubes have slightly different sound qualities i could blend their characteristics at this point if say an rca and a zenith are inserted together in one side of the amp. To buy 6l6 metal can to buy 6l6g to buy 6l6gc pentode to buy 6l7 and 6l7g heptode for collins 75a1 1950s to buy 6lb6 beam power tube to buy 6lb86jt8 to buy 6lc8 to buy 6le8. Although it will work fine in most 6l6 circuits, the kt66 has a higher filament current of 1. The 6gf7a is a dissimilar double triode designed for use as a combined verticaldeflection oscillator. Rca6gf7, togf7 and gf7 are multiunit tubes direct interelectrode. With almost datasheets and the visitor counter indicates over 4000. The 6k4 64 tube intended for controlled voltage amplification of high frequency. Lawrence berkeley national laboratory introduction. Thanks is here given to ed for his knowledge of the 6em7 6gf7 similarity the 6gf7 are of 9pin novar configuration. Buy 6gf7 vacuum tubes online, in stock and ready to ship. Also i wonder in question q1 if both input tube grids need to be engaged with the volume pot. Each diode has its own separate cathode and corresponding base pin. 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.
Antique electronic supply makes no claims, promises, or guarantees about the accuracy, completeness, or adequacy. I think so as for the el36, but none of my scarce tube data books mentions anything about 6cm5. Xray properties of elements electron binding energies xray energy emission energies fluorescence yields for k and l shells principal auger electron energies. There is also a data sheet line spec relating to max rms hum rating on plate on the 12ad7 which is absent from the rca 12ax7 sheet. 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. Anyway i have a stereo amp with two 6cm5 in each channel in triode, and i get a very nice 22 watts per chan. Updates to our vacuum tube stock, audio and guitar kits, diy parts, and completed designs will appear on this site. Data for soviet tubes can be found the same way as the other tubes. This one has a lot of pages from the european philips tube manual.
Looking at the sylvania data sheet for the 12ad7 it appears it has a slightly higher heater current draw. Tentative data volts volts volts volts volts ohms rca6be6 is a miniature multielectrode vacuum the singleended type designed to perform simul the functions of a mixer first detector tube of an oscillator tube in superheterodyne circuits. The 12au7, 12bh7, and 6cg7 have very similar electrical characteristics and can usually be substituted for each other. 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. Tube 6sf7 or rohre 6sf7 id2849, diodepentode, octal int. Im converting an old thomas organ amp into an 18 watter. Made by general electric for the us military, this is an excellent choice for any hifi or audio equipment which takes a 6cg7 6fq7 dual triode tube type. Rca 6fq7 6cg7 nos nib 28002900gm clear top grey plates side d serious tube k928.
Each tube sample used for comparison was chosen because it measured in the middle range of idle plate current draw at the same operating point set by a maximatcher digital tube tester. Sl6gctk tube data sheet mechanical tele fun ken max 38 type base number of pins heater requirements parameter heater voltage heater current in a. Vacuum tubes, sockets, capacitors, nixie and electron tube accessories. Rca rc10 tubemanual 1933 complements of tim reese and harvarduniversity. A pretty nice amp, full of the bluemolded signal caps like old fender blackface amps. I try to concentrate on popular andor readily available tube types.
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