Jj e34l datasheet pdf

Output pentode e34l is a more powerful el34 with more headroom and deeper lows. Jj e34l is great in guitar amps in providing tones that range from from good cleans to thick tone with snap and pop. The el37 was of pinch construction whereas for the el34 mullard used the pressed glass foot construction employed on the b9a and b7g miniature valves for this io based device. Operating conditions for two valves in pushpull distributed load conditions with screengrid tapping at 43% of primary turns 430 1 425 2 x 62. The jj el34 is standard type el34 that jj electronics manufacture and not to be mistaken for the powerful e34l type. Twin triode, 12ax7 datasheet, 12ax7 circuit, 12ax7 data sheet. Jj does make a regular el34 as well by the way and these are different. Jj has upped their game with the new el342, and the design change is truly big enough to warrant the use of the new name. This increase gives the tube more headroom and a tighter response on the low end. El34 datasheet, cross reference, circuit and application notes in pdf format.

The mids are a bit more complex and its obvious that this tube makes a lot of power. Gec, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors. Evatco has a wide range of el34 tubes including el34b and el34ii. Pdf e34l6ca7 19ilable el34 e34l 6ca7 e34l6ca7 jj el34 pentode el34 decibel ug20 v25w. Octal u f 6,3 v i f c a 1,5 a typical characteristic. The jj kt77 is not quite a tight as the e34l but tighter than an el34.

This tube is very much like the jj el34 but it has about 1520% more headroom. Warranty information and return policy warranty period. Jj e34l, vacuum tubes, jj e34l el34 pwr vacuum tube. Weve found jj e34l to perform very well in marshallst to mesas. For the same idle plate current value, the e34l is typically biased with a more negative grid voltage than the el34. I do bias them a little on the cool side and have gotten great tone and pretty long life for new production. El37 was of pinch construction whereas for the el34 mullard used the pressed glass foot construction employed on the b9a and b7g miniature. El34jj e34l red tubemini triode wired single ended. Nov 17, 2016 el34 is a glass envelope power pentode having a plate dissipation rating of 25 watts with convection cooling. E34l single ended triode connection amplifier el34 e34l jj mini triode single ended amplifier d. El34 datasheet vacuum tube of power pentode philips.

Im not much of an el34 guy though so take that with a grain of salt. Jj e34l is not the hardest shredding el34 tube, maintaining headroom and note separation across the range while giving ample drive. Groove tubes gte34ls pentode check out the power of this gt exclusive tube we introduced more than 12 years ago in a special partnership exclusive with the folks at tesla, the factory now called jj. Output pentode el34 ii has fuller low mids and low end but does not lose headroom in the high end. It also has great tone and it remains one of our best selling tubes. Again, to my ears the e34l has more headroom than i prefer in el34 tubes and a bit too much bottom end. E34l datasheet, e34l pdf, e34l data sheet, e34l manual, e34l pdf, e34l, datenblatt, electronics e34l, alldatasheet, free, datasheet, datasheets, data sheet, datas. Jj electronics jj e34l el34 the sound is well balanced with tight bass response and great mids. Jj e34l el34 datasheet pdf download adobe acrobat pdf reader. All our tubes are guaranteed for 3 months from the date of purchase. I have not noticed a huge difference but to me it seems like they have a bit more low end and may be a bit tighter sounding but ive not done a true ab comparison.

It is intended for audio frequency power amplification service in either pentode, ultralinear or triode connection and single or pushpullparallel applications. Jj electronics el34 and e34l data sheet pdf el34 ei yugoslavia. Tubes, sockets and accessories amp tubes el34 6ca7 jj electronic e34l apex selected tubes matched in quad. Electron devices svetlana typical operation af power amplifier, class a1 single tube plate voltage 250 v grid 2 screen voltage 250 v. The el34 jj runs cooler than the e34l so is very useful for amplifiers that have fixed bias or amps that run hot with little adjustment on the adjustable bias resistor. Im running jj e34l s in a jcm800 2204 and they sound great.

Over all its a bit tighter than the jj el34 which is nice for combos or hifi where the standard el34 gives more of a vintage el34 tone. E34l 6ca7 e34l6ca7 jj el34 pentode el34 decibel ug20 v25w. Jj e34l offered from pcb electronics supply chain shipps same day. Svetlana el34 kt77 el34 tube el34 pentode el34 6ca7 tube el34. Jje34l tubedepot vacuum tubes pcb electronics supply chain. The jj e34l are more linear, with more clear and natural mids and very. Pdf scanned from an original document held by the museum.

Output pentode suitable for use in power amplification quick reference data anode current ia100ma transcoductance s12,5mav amplification mg2g111. The jj electronic e34l adds more power to a standard el34 due to its higher grid voltage rating. Y this time i will brew one,one of el34 single ended amplifier and using cathod chorke drive and triode modo e34l el34. Output pentode output pentode roted for 2sw onode dissipotion, intended for use in a. The e34l has a slightly higher grid voltage rating. Yep headroom is how long the tube stay clean before they breakup. The jj kt77 is a drop in replacement for almost any el34 type tube amp for a little different flavor. The wide frequency response of this tube offers excellent harmonics that work in a variety of genres ranging from the cleanest cleans to rich and aggressive breakup. The el34 ii has fuller low mids and low end but does not lose headroom in the high end. Any exceptions will be noted on that tubes warranty tab. Great for cutting through on lead playing and fat beefy rhythms.

Output pentode ug 1v uama60 40 20 0 0 100 200 300 0 200 300 400 500 uav. Sep 30, 2015 jj electronics jj e34l el34 the sound is well balanced with tight bass response and great mids. Same as the el34, but the jj e34l has 20% more headroom than the el34. Buy jj 6ca7 vacuum tubes online, in stock and ready to ship. It has an international octal base indicated by the 3 in the part number and is found mainly in the final output stages of audio amplification circuits and was designed to be suitable as a series regulator by virtue of its high permissible voltage between heater and cathode and other parameters. A classic sounding el34 that has warmth and drives well when pushed.

Output pendode el34 is an octal power tube with a maximum plate power of 25w. El346ca7 used tested good mullard nickel base, early production 1955 date code. The el34 was the 1952 successor to the very successful el37 and both share a high value of mutual conductance 11. The el34 is a thermionic valve or vacuum tube of the power pentode type. It interchanges with any el34 application and puts out about 1520% more power. Just to add a little fuel to the fire, i have been using jj e34l s in my music man amps and have put them in a lot of amps in the last few years. I find the standard jj el34 is a touch sweeter when it breaks up. Stronger than regular el34 but not as aggressive as the e34l. Up1589q datasheet, up1589q pdf, up1589q data sheet, up1589q manual, up1589q pdf, up1589q, datenblatt, electronics up1589q, alldatasheet, free, datasheet, datasheets. Just browse to the item and you will find the datasheet in the tab documents.

Tube uses this tube for almost all repairs needing el34s. I like them better but i like the kt77s way better than those even. This allows the e34l to offer more headroom later breakup than the traditional el34. These are the very rare first generation of the el34, and some say sound the best. Jj electronic vacuum tubes, capacitors, amplifiers. They arent night and day but the e34l is definitely more agressive and has more low end chunk than the regular el34.

The 77s have even a bit more low end extension than the e34l s and they have a nice sizzle in the top end that is not brittle. Block diagram, pinout and 6v6 circuit application inside. The new jj el34ii power output vacuum tube is now available. The el34 is a much loved audio power valve with an anode dissipation of 25 watts. The jj e34l is more robust version of the jj el34 and a good sounding tube. 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. Jj el34 power tubes available in singles, matched pairs and quads.