E34l jj datasheet pdf

El34 datasheet vacuum tube of power pentode philips. For the same idle plate current value, the e34l is typically biased with a more negative grid voltage than the el34. Tubes, sockets and accessories amp tubes el34 6ca7 jj electronic e34l apex selected tubes matched in quad. The jj el34, e34l and the jj kt77 are the only el34 type tubes that we have found that will stand up to the 700 plus plate volts found in the musicman hd amps. J3y datasheet, j3y pdf, j3y data sheet, j3y manual, j3y pdf, j3y, datenblatt, electronics j3y, alldatasheet, free, datasheet, datasheets, data sheet, datas sheets.

The bias current level increased dramatically when i dropped the e34l s in it was nearly double my calculations and level set for the el34s. The el37 was of pinch construction whereas for the el34 mullard used the pressed glass foot construction employed on the b9a and b7g miniature. Special plate alloy improves plate dissipation as compared to the standard el34 resulting in stable performance at higher power levels. E34l 6ca7 e34l6ca7 jj el34 pentode el34 decibel ug20 v25w text. What i noticed when i compared biasing levels with my weber bias rite. I have only seen versions made by genalex marconiosram valve co. The el34 was introduced in 1949 by philips the parent company of mullard and, although no longer made by them, is manufactured by jj electronic, shuguang, svetlana and reflector sovtek, electroharmonix, tungsol and some brands, amongst others. El34 datasheet, cross reference, circuit and application notes in pdf format. Integrated circuits ics 772,372 products discrete semiconductor products 259,825 products resistors 1,403,559 products capacitors 1,059,899 products crystals, oscillators, resonators 479,300 products fans, thermal management 141,125 products inductors, coils, chokes 167,348 products optoelectronics 171,792 products power supplies board mount 267,525 products. Output pentode output pentode rated for 25w anode dissipation, ntended for use in a. Sep 30, 2015 jj electronics jj e34l el34 the sound is well balanced with tight bass response and great mids. It interchanges with any el34 application and puts out about 1520% more power. The el34 is a much loved audio power valve with an anode dissipation of 25 watts.

Stronger than regular el34 but not as aggressive as the e34l. Each wound string is precision wrapped with round nickelplated steel onto a high carbon, hexagonshaped steel core. Power tube matching faq perfect pair system downloads. Integrated circuits ics 772,372 products discrete semiconductor products 259,825 products resistors 1,403,559 products capacitors 1,059,899 products crystals, oscillators, resonators 479,300 products fans, thermal management 141,125 products inductors, coils, chokes 167,348 products optoelectronics 171,792 products power supplies board mount 267,525 products rfif and rfid 98,839 products. Vacuum tube e34l, jj electronics, blue glass antique electronic. The el34 is a thermionic valve or vacuum tube of the power pentode type. T he svetlana el34 has an indire ctlyheated oxide cathode. Class a1 amplifier u a 300 v u g2 300 v u g1 v01 i a 60 ma i g2 8 ma s10 mav r i 29 k. It was made for them by the original tesla company, which then got sold to jj. I actually swapped jj el34s for jj e34l s in my jcm 800 2205. Please see the substitutes at the top of the page for more details. This tube has about 20% more head room than the standard el34 and it also has a deeper, tighter low end. The jj big bottle 6ca7 is another welcome addition to the already extensive line offered. El34 is a glass envelope power pentode having a plate dissipation rating of 25 watts with convection cooling.

Elektroakustik, in partnership with jj tubes from the. El34s is an economical method to achieve high quality sound with a minimum of driving stage components. Maximum ratings design center values plate and grid no. Jj electronic e34l apex selected tubes matched in quad. Power tube descriptions vacuum tubes by jj electronic. El37 was of pinch construction whereas for the el34 mullard used the pressed glass foot construction employed on the b9a and b7g miniature. This allows the e34l to offer more headroom later breakup than the traditional el34. The bias current level increased dramatically when i dropped the e34ls in it was nearly.

The mids are a bit more complex and its obvious that this tube makes a lot of power. The new jj el34ii power output vacuum tube is now available. Vacuum tube e34l, jj electronics antique electronic supply. This tube is very much like the jj el34 but it has about 1520% more headroom. Eatons bussmann series limitron advanced protection class t currentlimiting, fastacting fuses. The jj electronic e34l adds more power to a standard el34 due to its higher grid. I found there to be a really nice top end that is smooth and free from harshness, while still delivering a nice bit. 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. Output pentode el34 ii has fuller low mids and low end but does not lose headroom in the high end. The early genalex kt77 had a skinny bottle with a flat top. Jj electronics el34 and e34l data sheet pdf el34 ei yugoslavia. Petersburg, russia, and is designed to be a direct replacement for any el346ca7 or equivalent. Jj now makes a version of this tube e34l which is a 25watt tube according to their spec sheet.

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. 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. El34 datasheet, el34 pdf, el34 data sheet, el34 manual, el34 pdf, el34, datenblatt, electronics el34, alldatasheet, free, datasheet, datasheets, data sheet, datas. Block diagram, pinout and 6v6 circuit application inside. This is a very rare tube that is a direct replacement for the el34 or 6ca7. Jj e34l, vacuum tubes, jj e34l el34 pwr vacuum tube. Front rear internal model name formfactor 10100 baset rj45 ports poe 802. May 28, 2007 actually gt was the first to introduce this type of el34 e34l back in the late 80s to early 90s. 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. Vacuum tube 6s4a, triode, medium mu antique electronic. Jj e34l el34 datasheet pdf download adobe acrobat pdf reader. Great for cutting through on lead playing and fat beefy rhythms.

E34l 6ca7 e34l6ca7 jj el34 pentode el34 decibel ug20 v25w. Same as the el34, but the jj e34l has 20% more headroom than the el34. I actually swapped jj el34s for jj e34ls in my jcm 800 2205. The e34l has a slightly higher grid voltage rating. The jj electronic e34l adds more power to a standard el34 due to its higher grid voltage rating. Ratings volts 600 vac amps 1800 a ir up to 30 200 ka. The e34l is also a bit punchier and more aggressive than the standard el34 which makes it a great tube for matchless, bogner, carvin, peavey and all marshall amps. It also has great tone and it remains one of our best selling tubes. 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. Nov 17, 2016 el34 is a glass envelope power pentode having a plate dissipation rating of 25 watts with convection cooling. Octal u f 6,3 v i f c a 1,5 a typical characteristic. Output pentode suitable for use in power amplification quick reference data anode current ia100ma transcoductance s12,5mav amplification mg2g111 output power, class b wo100w heating.

Pdf scanned from an original document held by the museum. Output pentode e34l is a more powerful el34 with more headroom and deeper lows. Just to add a little fuel to the fire, i have been using jj e34ls in my music man amps and have put them in a lot of amps in the last few years. This increase gives the tube more headroom and a tighter response on the low end. The plain strings are made from the same high carbon steel as the hex cores. The el34 ii has fuller low mids and low end but does not lose headroom in the high end. It is intended for audio frequency power amplification service in either pentode, ultralinear or triode connection and single or pushpullparallel applications. The wide frequency response of this tube offers excellent harmonics that work in a variety of genres. Actually gt was the first to introduce this type of el34 e34l back in the late 80s to early 90s. Our new ehx strings electroharmonix electric guitar strings are customdesigned to our specifications and made in the usa by a premiere string manufacturer. Vacuum tube 274b, valve art antique electronic supply.

The el34 was the 1952 successor to the very successful el37 and both share a high value of mutual conductance 11. Warranty information and return policy warranty period. The jj 6550 will not make as much power as the jj kt88 and the kt88 is thicker sounding, in fact some players feel its too thick, so if you want a fatter sounding tube than a 6l6 that breaks up earlier than a kt88 then the jj 6550 may be just right. 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. Jjel34 tubedepot vacuum tubes pcb electronics supply chain. Output pendode el34 is an octal power tube with a maximum plate power of 25w. The svetlana el34 is a glass envelope power pentode having a plate dissipation rating of 25 watts with convection cooling. Vacuum tube 6s4a, triode, medium mu antique electronic supply. Jj electronic vacuum tubes, capacitors, amplifiers. Ua 250 v ug2 250 v ug1,5 v ia 100 ma ig2 10 ma s 10,5 mav ra 23. The svetlana el34 is manufactured with the original mullard design in the svetlana factory in st.

Effective december 2017 supersedes march 2017 jjs limitron 600vac, 1800a, fastacting class t fuses catalog symbol. Some firms make a related tube called an e34l which is rated to require a higher grid bias voltage, but which may. Today, this rich history continues with the introduction of new production tubes from telefunken. Output pentode suitable for use in power amplification quick reference data anode current ia100ma transcoductance s12,5mav amplification mg2g111 output power, class b wo100w heating heating is indirect by ac or dc, with parallel supply. 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.