Ecl84 tube data book

Ecl84 triodeoutput pentode triodepentode with separate cathodes the triode section is intended for use in circuits for keyed agc, sync separation, sync amplification and noise suppression. Sustain84 desktop vacuum tube headphone amplifier model cls84 featuring nos ecl84 tubes in a class a single ended design, the cypher labs sustain84 model cls84 is a headphone enthusiasts dream. No data is found on this tube, except for the filament power which is 3. Western electric the western electric tube datasheets. Almost all versions are round plates and silver plated pins. All tubes new, military equipment and have otk mark.

Most of these datasheets are in english except where noted otherwise. Introduced in 1958 when the uk had a 405 line vhf television service and a video bandwidth of 3 mhz maximum. Characteristics are very interesting, somewhere between ecc82 12au7 and ecc83 12ax7 and almost all ecc40 i tested are low microphonics. Fairchildlowpowerschottkydatabookocr identifierark ark.

One thought on ecl80 ecl82 ecl84 ecl86 pcl84 pcl86 6gw8 6ab8 14gw8 momir zecevic august 29, 20 at 11. This means some part in the tube characteristic where a sine wave. Another ecl80 from mullard the triode at the top is clearly seen in this image. This tube has a more compact plate structure than standard el34s.

I try to concentrate on popular andor readily available tube types. Ul 40% 8k aa gives brilliant low thd performance with a good output tranny. Tube ecl 84 or rohre ecl84 id18598, triodepentode, noval, b9a and poweroutput shown. Generally spoken we can say that negative grid voltage sets the tube to the right working point. Processing data from the early childhood longitudinal study ecls sejdemyrecls. Philips valve data book, philips electrical industries, 6973 clarence street sydney, radio valve application division, 1958. Most of the datasheets are in pdf format and some are links to other html pages.

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. The jj el34 ii has an increased low to lowmid end with plenty of headroom to spare. Designed for use as video amplifier and low frequency. The pinout and both sections triode and pentode are different. Pi winding output trannys are not known to have been used in audio valve amps. Early childhood longitudinal program eclsdata products. List of vacuum tubes wikimili, the free encyclopedia. All these links open in a new browser window so that you can return quickly to this page without having to reload.

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. Pin connections were not easy to standardise because of the varying internal construction of the thermionic valves dependent upon their function and. This page includes supporting information for the 25 w stereo amplifier project described chapters 10 and 12 in the tab guide to vacuum tube audio, along with commentary from the author. Watford valves, one of europes leading suppliers of tested, graded and guaranteed valves to the professional music industry. Though the type names are similar, the tubes are absolutely not compatible.

These types can be found in many 8 12 watts push pull amps and 2 3 watts single ended amps. Perfect russian tube 6f3p an equivalent to the 6bm8 and ecl82. Tube possible substitute western substitute ec86 6s3p, 6s4p 6cm4. Vacuum tube audio audio projects 25 w stereo amplifier. To use this calculator to compute your loadline, with parallel tubes, simply specify ntimes the overall load.

This list is constantly and perpetually under construction. It contains data from all rounds of the eclsb as well as some supplemental data e. Tube ecl 84 or rohre ecl84 id18598, triodepentode, noval, b9a and power output shown. With almost datasheets and the visitor counter indicates over 4000. European tubes preamp, power, tuning eyes scroll down page to. Notice the thick copper support post and the identical structure to the 1960s mullard yugo made tube shown next to the ei. The calculator computes the loadline of of a single tube.

The following list shows the tube types i have entered in my database, with exception of the service types e. A compactron used in television sets to supply power to the anode of the picture tube. Pcl84 tube ecl84 pentode triode philips electronic tube. Nj7p bill beechs online tube data from mostly rca manuals. Processing data from the early childhood longitudinal study.

Sylvania receiving tubes technical manual code 4002 the 14th edition sylvania technical manual contains data on more than 2000 electron tubes. Philips data handbook electronic components and materials ecl84 page sheet date. The 6f5p triodepentodes are miniature devices enclosed in glass bulb and provided with ninepin base leads and an indirectly heated oxidecoated cathode. 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. Description the 6f5p triodepentode is designed for operation in vertical sweep units of widely used television receivers. This tube is very rare, and very special, because it implements an indirectly heated cathode, not connected to the filament. The el84 was developed to eliminate the need for a driver tube in radios, so it has rather more gain than is usual in a power pentode. Here youll find a modest collection of datasheets for some popular tubes. Pcl84 tube ecl84 pentode triode philips electronic tube handbook tube pcl84 text.

In most cases the tubes manufactured to the european system have an exact equivalent tube in the american system and vice versa. The ecl82 6bm8 and ecl86 6gw8 gallery tube classics. In phase splitter aplications this tube is simply unbeatable. The information below is accurate to the best of our knowledge. We are not responsible for any malfunctions of equipment due to inaccuracies in these tables. They were highly popular for home audio applications in the late 1950s and throughout the 1960s. The final eclsb restricteduse data file was released in december, 2009. Interesuje me cena za ecl86 i pcl86 nacin placanja i dostave. The thin glass tube envelope is 20 mm in diameter and, excluding the b9a base pins, is 58 mm tall.

An interchangeable north american type is the 6bq5 the retma tube designation name for the el84. A cue to performance is the 1khz square wave shown in pic. The el84 is smaller and more sensitive than the octal 6v6 that was widely used around the world until the 1960s. Cypher labs sustain84 vacuum tube headphone amplifier black. A different construction of the classic el34 tube that offers a different tonal palette than the original.

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. Industry wide inscopre, the manual is prepared primarily for the service technician engaged in the troubleshooting and repair of home entertainment equipment. The tube is manufactured by the oktjbr, vinnitsa, ukraine. The philips ecl84 is a triode output pentode amplifier designed for class a1 use. The jj el34 ii is stronger than the original but not harsh sounding in any way. Early childhood longitudinal program ecls data information. The triode section was designed for a variety of uses including sync separation.

Main technical characteristics 6f4p pentode part triode part lot of 10 tubes. This is a suitable replacement for any 6bq5 el84 cv2975 e84l 7189 tube type. Beam power tube for use as rf power amplifier, oscillator, fre quency multiplier, af power amplifier or modulator for mobile and fixed equipment anode capable. A possible reason is the high tooling and assembly costs. 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 sovtek el84m has a clean sound, and nice balance. This is a list of european mullardphilips vacuum tubes and their american equivalents. The pentode was designed for use as a video output stage. In this book there is also very well explained what negative grid voltage is all about. Domestic receiving tubes and their foreign counterparts by. Rft triodebeam power tube lot of 2pcs new in box same data code. Considering this tube was destined in small sized tv sets.

Shown on the right is the secondgeneration 20 w stereo amplifier described below. Designed specifically for headphone amplification, the sustain84 has a pure black background. Each child record contains data from the child assessments and. With the wide variety of tubes that are in use there are many different configurations. The type 955 triode acorn tube is a small triode thermionic valve vacuum tube in usa designed primarily to operate at high frequency. Y el84 single ended single ended amplifier amplifier dont make nfb this version because in general sound get tight when made some kind of nfb. Hi, as i explained in a post in loadline calculator for power stages, when you attach a load to n parallel tubes, each tube simply sees ntimes the load. Merk, adzam, mazda, mullard, philips, telam, telefunken. First the v72 was reequipped with this state of the art telefunken ef804s audio tube made in their berlin and ulm production. The 807 is a beam tetrode vacuum tube, widely used in audio and radiofrequency power.

The pentode electrodes are aligned at right angles to the triode section. The sovtek el84m is a rugged military issue el846bq5 that can withstand higher plate current than any current production el84, and is a suitable replacement for the 7189. Uses a 6ab8 ecl80 or similar triodepentode tube ecl80, ecl82, ecl84, ecl86 these triodepentode tubes are really two tubes in one envelope. The grid extends beyond the anode and the copper rod is the connection to the triode anode. Universal loadline calculator for vacuum tubes vacuum. Ecc40 is one of the best double triodes for audio use. 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. Sylvania receiving tubes technical manual code 4002. Information or data about vacuum tube or thermionic valve pin connections is always useful to have to hand. This tube was mainly used for the aegtelefunken magnetophone production, but evolved into much of the professional studio equipment of the time.