Ef83 tube data booklet

Ef36, 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. New old stock pre amp compatible tubes from western electric, raytheon, amperex. 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. The ef80 was much used for rf, intermediate frequency, and video amplification. E71t11 data sheet pinnacle alloys e71t11 aws class e71t11 code and specification data. You even can look up radio models with a certain tube line up. The ef86 is a high transconductance sharp cutoff pentode vacuum tube with noval b9a base. The rarely used ef83 is a remotecutoff pentode otherwise similar to the ef86. 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. Lawrence berkeley national laboratory introduction. Efb24s damper actuator technical data sheet onoff, spring return, acdc 24 v 8005439038 usa 8668057089 canada 2037918396 latin america caribbean. The special 6 el84 adapter reconfigures the special 6s 6v6 output tube socket to accept an el84 output tube. You will find thousands of tubes or valves with interesting links.

Data sheet electronic overload relays ef205 and ef370. Valve vacuum tube data sheets and application notes keith snook. Each ef806s is tested by us n our avo tester to ensure you receive a good quality valve. The underscore and these letters are not part of the tube type number. Mk buizen handboek frank philipse pocnet mirror patrik schindler ef83. I have more than 100 pieces, most of them were made in 60s and 70s, this batch is from 1962 complete tube data is in every single box, like big transmitting us wwii tubes. This tube has a more compact plate structure than standard el34s. Tube depot carries a selection of 417a 5842 pre amp vacuum tubes. Biased at 2 volts and running at 100 volts means about 14ma plate current which suits my power transformer.

Ef806s audio pentode ef86 replacement valve tube guitar amps. The ef80 internally screened pentode was a workhorse of the vhf tv receiver and was introduced in mid 1950 to replace the ef91. The jj el34 ii has an increased low to lowmid end with plenty of headroom to spare. Vacuum tube 6686 e81l, pentode, power amplifier antique. Efb24s n4 damper actuator technical data sheet nema 4, onoff, spring return, 24 v. Downloads, supreme instruments manuals, tube data, and. The tube is manufactured by the oktjbr, vinnitsa, ukraine.

Xray properties of elements electron binding energies xray energy emission energies fluorescence yields for k and l shells principal auger electron energies. The ef86 is a high transconductance sharp cutoff pentode vacuum tube with noval b9a base for audiofrequency applications. The combatproven fa18e super hornet is a next generation strike fighter with all the capability, flexibility and performance necessary to modernize the air or naval aviation forces of any country. To get the needed voltage drop from the 250 volts supply i decided to go for a ccs. Close manufacturing specification tolerances and improved processing provide improved reliability and superior sonic performance. The 6s3p highfrequency triodes is are miniature devices enclosed in glass bulb and are provided with a ninepin base and an indirectly heated oxidecoated cathode. Svetlana ef86 highperformance audio smallsignal pentode t. W hat started out as a classic single ended design transformed into a very good amplifier. Comtech ef data x installation and operation manual 86 pages hpod highpowered outdoor amplifier. 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. Best tube for vox ac10 sonic frontiers line 3 preamp mcintosh tuners mcintosh model mr fm tuners.

All tubes new, military equipment and have otk mark. We have 1 comtech ef data x manual available for free pdf download. A different construction of the classic el34 tube that offers a different tonal palette than the original. It is intended for semiautomatic and automatic welding of carbon steel in a single. Now special 6 players can enjoy the earlier breakup, distinctive midrange complexity and legendary top end chime that only an el84 can provide. Ef83 pentode 1959 components datasheet pdf data sheet free from datasheet data sheet search for integrated circuits ic.

Ef83 6bk8 is pin compatible to ef86, however, it is a varimu tube. Tube ef 83 or rohre ef83 id1190, vacuum pentode, noval, b9a and audio frequency shown. Nov 22, 2015 this video explains how to use the ef database section within the client file. This section will display ef data if you use drake, taxwise or crosslink tax p. This is done in case of equal tube type numbers for different tubes. E83f philips 6689 long life, 0 hours, low noise pentode golden pins the e83f was used in telefunken v76 microphone preamp and many german studio amplifiers. Unlike many pentodes it was designed specifically for audio applications. The ef83 is a variablemu af voltage amplifying pentode.

With a classic design i mean a smaller valve for voltage amplification and a power valve driving the output transformer. This video explains how to use the ef database section within the client file. The electroharmonix ef86 6267 is a high quality current production pentode, very warm and smooth sounding. Complete tube data is in every single box, like big transmitting us wwii tubes. The e83f mullard pentode is a special quality version of the ef83. This beacuse a plate resistor would translate in a max value of 10 kiloohms with. This is an excel sheet of tv7 tube data prepared by nolan lee. Close manufacturing specification tolerances and improved processing provide improved reliability and. The ef806s audio pentode, ef86 replacement from jj electronic is a brand new replacement for the famous ef86 from the 1950s and 1960s. The jj el34 ii is stronger than the original but not harsh sounding in any way. It was introduced in the late 1950s and was produced by philips, mullard, telefunken, valvo, and gec among others. The thin glass tube envelope is 20 mm in diameter and, excluding the b9a base pins, is 48 mm tall.

Vht 6v6gt to el84 converter adaptor with tubes reverb. You reach this tube or valve page from a search after clicking the tubes tab or by clicking a tube on a radio model page. Advantages the ef series exclusive technologies and features. 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. El83 6ck6 valves in place of el84 post by nicko fri dec 05, 2014 5. Surely r24 1k trim pot is setontest to give a lower overall gain. Efb24s damper actuator technical data sheet onoff, spring return, acdc 24 v. Click to see all 6sn7 6sn7gt 12sn7 12sn7gt in stock.