Ef37a tube data booklet

On the tube s glass base there is a direction nose. Ladkrabang industrial estate 115 soi chalongkrung 31 lamplatiew. Advantages the ef series exclusive technologies and features. El37 mullard substitute for 6l6gc power pentode tube world. The tube line up is very basic ef37a 6c5 6336a for each channel which totals only 6 tubes for the complete stereo amplifier. Find the user manual you need for your car audio equipment and more at manualsonline. Sep 08, 2011 canons eos rebel sl3 eos 250d is the latest in the companys line of diminutive dslrs. Achieve consistent microsecond response with end to end nvme and. The underscore and these letters are not part of the tube type number. When the combustion gases reach the 1st pass collector at a temperature near 1100f, the gases are then redirected upwards into two 4 2nd pass heat exchanger tubes.

Mitsubishi fd80 f32b0001109999, fd90 f32b5000159999 diesel forklift truck service manual. Efb120s damper actuator technical data sheet onoff, spring return, ac 100. The plate of the eimac 35t operates at a real bright red at 70 watts dissipation. Ul file number e41429 pin material coppertin alloy cusn, gold au plated. Ef series specef seriestractoragricultureyanmar thai. W hat started out as a classic single ended design transformed into a very good amplifier. View and download sigma ef140 dg flash manual online. This is done in case of equal tube type numbers for different tubes. Efb120s n4 damper actuator technical data sheet nema 4, onoff, spring return, ac 100. The ef37a is a tube designed for audio with minimal noise, sharp cutoff and reasonably high gain characteristics and was an obvious choice for the first stage. The me1400 electrometer pentode is also rated for high quality audio use and is a direct replacement for the ef37a upon which it was based. General dynamics f111 aardvark specifications technical. The ef86 is a high transconductance sharp cutoff pentode vacuum tube with noval b9a base for audiofrequency applications.

Ef37 is a drop in equivalent for 6j7 tube which is quite popular as a driver for 2a3 and 300b. The wide glass tube envelope is 29 mm in diameter and, excluding the io base pins, is 84 mm tall. Ef37 and ef37a at the national valve museum tdsl tube data. It is very similar electrically to the octal base ef37a and the rimlock base ef40.

In most cases the tubes manufactured to the european system have an exact equivalent tube in the american system and vice versa. Cmf corp electric fireplace models ef22 2626fg3336 homeowners installation and operating instructions. The electrode system is of antimicrophonic construction, and the. With a classic design i mean a smaller valve for voltage amplification and a power valve driving the output transformer.

High quality amplifiers have used the ef37a for many decades. Tube data item vfv ifa vav vg1v vg2v iama ig2ma riohm gmmav u raohm paw ef37a 6. Jun 05, 20 a lot of interesting tubes out there that make the amp sing, but recently i came across ef37 from mullard and a very early version of the tube without a version at the end. Tube ef 37a or rohre ef37a id19496, vacuum pentode, octal int. 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. Supercharge your data analytics and highperformance computing hpc workloads with the industrys leading priceperformance nvme system. Extension tube ef 25 ii is recommended for lenses with a focal length of 50mm and up efs 1855mm can be used at middle and tele zoom settings. The ef37a is a high gain, high impedance, pentode for use in af preamplifier stages. Canons eos rebel sl3 eos 250d is the latest in the companys line of diminutive dslrs. Mitsibishi diesel forklift trucks fd series instructions. Technical handbook service, details of which will be found on page 66.

Safety data sheet ghs product identifier other means of identification product type emergency telephone number with hours of operation section 1. Please call 1800rfparts 18007372787 for availability. Svetlana ef86 highperformance audio smallsignal pentode t. For use in extreme industrial locations, this remote fixture is class i division 2, groups a, b, c and d certified. Tech international, 200 east coshocton street, johnstown, ohio 43031, 7409679015 tech rubomatic. These tempera tures are perfectly permissible and no damage will result from such operation. El37 mullard 1950s 1960s some branded philips or philips miniwatt best el37 listed at el37 mullard is a 25 watt audio output power pentode.

A lot of interesting tubes out there that make the amp sing, but recently i came across ef37 from mullard and a very early version of the tube without a version at the end. Ecgphilips limited quantity available, new old stock made in the usa. Other similar substitutions are 6l6gc, 5881, kt66, 5932 check with your equipment manufacturer before substituting a el37 for a 6l6gc or kt66 el37 plate and screen voltage should not exceed 400 vdc vfil6. The general dynamics f111 aardvark is a twinengined twoseat sweep wing fighter bomber aircraft produced by the usamerican manufacturer general dynamics corporation. Machine type highspeed endformer rm 140 dimensions. The 6c5 is an absolutely orthodox phase inverter and superlatively simple in its use. Close manufacturing specification tolerances and improved processing provide improved reliability and superior sonic performance.

In this section every valve included in this manual is listed in alphanumerical. Always keep material or debris away from the intake. Shortens focusing distance of lens compatible with efs lenses, as well as ef and tse lenses. General data winding data and area product for efd259 coil former with 12pins parameter specification coil former material sumikon pm9630 pf, glassreinforced, flame retardant in accordance with ul 94v0. It was introduced in the late 1950s and was produced by philips, mullard, telefunken, valvo, and gec among others. A small plastic disc was glued to the nose, this was then faired in with apoxie untill a smooth transition was achieved. I visualise that a dual triode such as a 12ax7 in a williamson type circuit, could be used to make a 4 tube amplifier, replacing the ef37a and 6c5, but i did not choose that path. The data sheets also give parameters for use as a triode. The f111 was only operated by the us air force and the royal australian air force f111cf111g. With the very large number of vacuum tubes or thermionic valves that were produced and as a result of the multiple vacuum tube numbering systems that were in use, there are generally equivalents for most types of tube.

Photo shows 6,3 v valves of indirect heating produced by the philips taken from a philips 320a receiver. Both these tubes operate with components as designed for. Visa fler ideer om rorforstarkare, zurich och amatorradio. Following manuals are applicable for efc efc 5992 integral fuel tank sealant materials and procedures ef 5992 a4 brushable liner. Svetlana ef86 highperformance audio smallsignal pentode he svetlana ef86 is a glass envelope miniature pentode intended for highquality audio preamplifier service.

The ef37a was also made with the classic shouldered shape of envelope. Data sheet supersedes data of september 2004 2008 sep 01 ferroxcube efd30159 efd cores and accessories. With almost datasheets and the visitor counter indicates over 4000. Quick cure, solvent based fillet june 19, 2009 150 ed 2268 revision nr efc 100 integral fuel tank. The combustion gases are then forced downward through eight 2 3rd pass heat exchanger tubes and reach the exhaust collector at a temperature of approximately 120f. Canon auto focus extension tube ef 25 ii 9199a001 adorama. Following manuals are applicable for efc sealant materials. Close manufacturing specification tolerances and improved processing provide improved reliability and. Valve data book 1951 franks electron tube data sheets. The canopy was cut with a razor saw to allow it to be displayed open, photoetched seatbelts, instrument panels, and other small items were used to dress up the cockpit. Canon auto focus extension tube ef 25 ii for closeup and macro photography. Mullard designate the ef37a as a high gain, high impedance, pentode for use in af preamplifier stages.