Ef184 tube data book

Becoming an engineer supplier directory books events. Information or data about vacuum tube or thermionic valve pin connections is always useful to have to hand. As an enthusiast of electronics, here is my repository around valves, hifi amplifiers and everything i found interesting to share related to music reproduction. Unlike many pentodes it was designed specifically for. I am currently using the ixys part muconnected, which gives a very low output impedance. This is done in case of equal tube type numbers for different tubes. The ef86 is a high transconductance sharp cutoff pentode vacuum tube with noval b9a base for audiofrequency applications.

A framegrid sharp cutoff pentode for use as an if amplifier in television receivers. Instrument accessories free delivery possible on eligible purchases. Tube ef 184 or rohre ef184 id3431, vacuum pentode, noval, b9a and rfifstage shown. What could happen though so it seems is if you load up a amp with really high running tubes as compared to normal you might clip the preamp. Maybe you want to update your audio amplifier, guitar amplifier, headset amplifier, jukebox or your tube microphone or any other audio equipment. The ef86 is a high transconductance sharp cutoff pentode vacuum tube with noval b9a base for audiofrequency applications it was introduced in the late 1950s and was produced by philips, mullard, telefunken, valvo, and gec among others. Tube data 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. Following the riaa stage is a triodeconnected ef184 5ej7 with a ixys ccs as a plate load. This means that the voltage at the grid of the ef184 is.

You can also find the right tyre to suit your riding style. Etsy your place to buy and sell all things handmade. Close manufacturing specification tolerances and improved processing provide improved reliability and superior sonic performance. Tube 6bv7 or rohre 6bv7 id18549, double diodepentode, noval, b9a and poweroutput shown. Franks data sheet site has curves for the 6ar6 and 6098 6ar6wa that should be close to the 6384, as the 6384 is the ruggedized version. In a few cases, when the 1966 edition omitted graphics on obsolete tubes, i inserted scans from the 1948 ginkins reference book. 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. The 6f5p triodepentodes are miniature devices enclosed in glass bulb and provided with ninepin base leads and an indirectly heated oxidecoated cathode. Typical valve tube audio amplifier that might be used today. Andrew liked the sound of nostalgia electronics weekly. Basics how does a tube work vacuum tube electrodes diode valve tube triode tetrode beam tetrode pentode equivalents pin connections numbering systems valve sockets bases. Vacuum tube 6ej7ef184, pentode, sharp cutoff antique.

Following the riaa stage is a triodeconnected ef1845ej7 with a ixys ccs as a plate load. Ive also posted sylvania tube manuals on their own page. Buy set of 4 x 6j51p pentode tube, near equivalent of 6ej7ef184. The underscore and these letters are not part of the tube type number. Some of the technologies we use are necessary for critical functions like security and site integrity, account authentication, security and privacy preferences, internal site usage and maintenance data, and to make the. Set of 4 x 6j51p pentode tube, near equivalent of 6ej7ef184. I was checking what fellow aaers would choose for a 6ej7 ef184 driver tube im using it in. With the wide variety of tubes that are in use there are many. To get the needed voltage drop from the 250 volts supply i decided to go for a ccs. Ef1846ej7 framegrid, sharpcutoff if pentode for use in tv receivers, identical to lf184yf1844ej7 and xf1843ej7 except for heater ratings ef410 rfif pentode, rimlock b8a base ef7305636 subminiature dualcontrol, sharpcutoff rfif pentode for use as a gated or gaincontrolled amplifier, 8pin allglass pigtailed, similar to 5784. We do have stock of current production tubes from sovtek, tungsol, genal.

The equivalents for thermionic valves or vacuum tubes, including the diode, triode, tetrode. I foreword the milliard pocket data book is presented so as to provide easy reference to the valves, cathode ray tubes, semiconductor devices and components in the mullard. Tube ef 184 or rohre ef184 id3431, vacuum pentode, noval, b9a and rfif stage shown. Preamp tubes nos and like new the best of the best. This is actually a radio frequency amplifier and it will handle audio frequencies with ease. Ive been comparing ge and rca 5879 input tubes, as well as some miniature tubes. Here, you can find full details, technical specifications, advice on use and maintenance, everything a motorbike enthusiast needs. This is the amplification factor, and has nothing to do with overdrive.

Receiving tubes and foreign equivalents data collected from the russian book. Quality russian 6j51p tube was made in ussr for the military equipment. Many files on this site, especially scanned documentation, are in adobe acrobat pdf format. The 6j51p pentodes are miniature devices enclosed in glass bulb and are provided with a sevenpin base, rigit leads and an indirectly heated oxidecoated cathode. This is my humble contribution to that warm and unique sound that the valves provide to our ears. Ac2 triode for use as af amplifier or as oscillator together with an ah1 mixer. Buy the ef184 tungsram audio tubes pentode online on electols at best price for immediate delivery. 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. Biased at 2 volts and running at 100 volts means about 14ma plate current which suits my power transformer. Book depository books with free delivery worldwide.

With almost datasheets and the visitor counter indicates over 4000. The cascode is dc coupled to the phase inverter, via the voltage divider of 820k and 270k ohms. This beacuse a plate resistor would translate in a max value of 10 kiloohms with. So if you have a 12ax7 you have 1 in and 100 out, a tube like a 12au7 is 1 in and 20 out.

Herein you will find a collection of vintage engineering texts, vacuum tube datasheets, and other obsolete information, presented free of charge and without annoying advertisements. It is very similar electrically to the octal base ef37a and the rimlock base ef40. The design is capable of driving relatively insensitive headphones with a voltage of 700mv rms and a total harmonic distortion of 0. Data book 196566 j j 1a sum mullard pocket data book 196566 edition 65 woisia. Most postwar european thermionic valve vacuum tube manufacturers have used the mullardphilips tube designation naming scheme special quality variants may have the letters sq appended, or the device description letters may be swapped with the numerals e. This is a list of european mullardphilips vacuum tubes and their american equivalents. 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. Domestic receiving tubes and their foreign counterparts by.

The ef80 was superseded in the 1960s by the higher slope frame grid ef184 the ef183 being the variable. Full text of mullard data book 196566 internet archive. Nos tube specification sheet nos tube specification sheet. In most cases the tubes manufactured to the european system have an exact equivalent tube in the american system and vice versa. The following list shows the tube types i have entered in my database, with exception of the service types e. Ef184 tungsram pentode audio tube at 4 ht on electols. Data from or other sources as supplied by john atwood. Description the 6f5p triodepentode is designed for operation in vertical sweep units of widely used television receivers.