Ef83 6bk8 is pin compatible to ef86, however, it is a varimu tube. New old stock pre amp compatible tubes from western electric, raytheon, amperex. El83 6ck6 valves in place of el84 post by nicko fri dec 05, 2014 5. The rarely used ef83 is a remotecutoff pentode otherwise similar to the ef86. This section will display ef data if you use drake, taxwise or crosslink tax p. 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. El80 el80 is a peroxidecure, highstrength, gray silicone rubber.
Mk buizen handboek frank philipse pocnet mirror patrik schindler ef83. 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. The ef83 is a variablemu af voltage amplifying pentode. The ef86 is a high transconductance sharp cutoff pentode vacuum tube with noval b9a base for audiofrequency applications. The special 6 el84 adapter reconfigures the special 6s 6v6 output tube socket to accept an el84 output tube. Nov 22, 2015 this video explains how to use the ef database section within the client file. Description the 6s3p 63 highfrequency triode is designed for amplification of highfrequency voltage. All tubes new, military equipment and have otk mark. Complete tube data is in every single box, like big transmitting us wwii tubes. You will find thousands of tubes or valves with interesting links. Pinnacle alloys e71t11 is a carbon steel fluxcored electrode for sure without external shielding gas.
Efb24s n4 damper actuator technical data sheet nema 4, onoff, spring return, 24 v. The jj el34 ii has an increased low to lowmid end with plenty of headroom to spare. Efb24s n4 damper actuator technical data sheet nema 4, onoff, spring return, 24 v 8005439038 usa 8668057089 canada 2037918396 latin america caribbean. Biased at 2 volts and running at 100 volts means about 14ma plate current which suits my power transformer. Vht 6v6gt to el84 converter adaptor with tubes reverb. It is very similar electrically to the octal base ef37a and the rimlock base ef40. This is an excel sheet of tv7 tube data prepared by nolan lee. Efb24s damper actuator technical data sheet onoff, spring return, acdc 24 v 8005439038 usa 8668057089 canada 2037918396 latin america caribbean.
The thin glass tube envelope is 20 mm in diameter and, excluding the b9a base pins, is 48 mm tall. Ef83 pentode 1959 components datasheet pdf data sheet free from datasheet data sheet search for integrated circuits ic. Click to see all 6sn7 6sn7gt 12sn7 12sn7gt in stock. We have 1 comtech ef data x manual available for free pdf download. It is intended for semiautomatic and automatic welding of carbon steel in a single. Valve vacuum tube data sheets and application notes keith snook. Best tube for vox ac10 sonic frontiers line 3 preamp mcintosh tuners mcintosh model mr fm tuners. Ef806s audio pentode ef86 replacement valve tube guitar amps. 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 ef86 is a high transconductance sharp cutoff pentode vacuum tube with noval b9a base. 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. It was introduced in the late 1950s and was produced by philips, mullard, telefunken, valvo, and gec among others. Comtech ef data x installation and operation manual 86 pages hpod highpowered outdoor amplifier. 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. 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.
Now special 6 players can enjoy the earlier breakup, distinctive midrange complexity and legendary top end chime that only an el84 can provide. Each ef806s is tested by us n our avo tester to ensure you receive a good quality valve. Efb24s damper actuator technical data sheet onoff, spring return, acdc 24 v. Advantages the ef series exclusive technologies and features. To get the needed voltage drop from the 250 volts supply i decided to go for a ccs. The ef80 internally screened pentode was a workhorse of the vhf tv receiver and was introduced in mid 1950 to replace the ef91. Svetlana ef86 highperformance audio smallsignal pentode t. The ef80 was much used for rf, intermediate frequency, and video amplification.
Tube depot carries a selection of 417a 5842 pre amp vacuum tubes. A different construction of the classic el34 tube that offers a different tonal palette than the original. Unlike many pentodes it was designed specifically for audio applications. The jj el34 ii is stronger than the original but not harsh sounding in any way. Vacuum tube 6686 e81l, pentode, power amplifier antique.
This is done in case of equal tube type numbers for different tubes. This beacuse a plate resistor would translate in a max value of 10 kiloohms with. Lawrence berkeley national laboratory introduction. The us number for the ef806s audio pentode is 6291. The underscore and these letters are not part of the tube type number. Surely r24 1k trim pot is setontest to give a lower overall gain. The tube is manufactured by the oktjbr, vinnitsa, ukraine. Data sheet electronic overload relays ef205 and ef370. Xray properties of elements electron binding energies xray energy emission energies fluorescence yields for k and l shells principal auger electron energies.
The e83f mullard pentode is a special quality version of the ef83. Tube ef 83 or rohre ef83 id1190, vacuum pentode, noval, b9a and audio frequency shown. This tube has a more compact plate structure than standard el34s. 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. With almost datasheets and the visitor counter indicates over 4000. This video explains how to use the ef database section within the client file. You even can look up radio models with a certain tube line up. W hat started out as a classic single ended design transformed into a very good amplifier. Ef36, ef37 and ef37a at the national valve museum tdsl tube data. The highfrequency triode tube with low level of intrinsic noises. 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. I have more than 100 pieces, most of them were made in 60s and 70s, this batch is from 1962.
Close manufacturing specification tolerances and improved processing provide improved reliability and. The electroharmonix ef86 6267 is a high quality current production pentode, very warm and smooth sounding. E71t11 data sheet pinnacle alloys e71t11 aws class e71t11 code and specification data. Svetlana ef86 highperformance audio smallsignal pentode he svetlana ef86 is a glass envelope miniature pentode intended for highquality audio preamplifier service. With a classic design i mean a smaller valve for voltage amplification and a power valve driving the output transformer. The ef806s audio pentode, ef86 replacement from jj electronic is a brand new replacement for the famous ef86 from the 1950s and 1960s.
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