I would test with just the higher, closer to bogey values suggested previously before trying this technique. Test data for hickok 539b and 539c tube testers author. Answers must be written within the answer boxes provided. The clip thing that pulls out has the plastic broken on it. They found that the magnitudes were consistently much smaller. This tube has a more compact plate structure than standard el34s. However, it was a weak performer, incapable of producing the big, robust audio for which these radios earned a strong reputation.
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. Svetlana ef86 highperformance audio smallsignal pentode t. The ef80 was much used for rf, intermediate frequency, and video amplification. General principles of chemistry i rates, equilibria and. Close manufacturing specification tolerances and improved processing provide improved reliability and superior sonic performance. Vacuum tube and valve cross reference sub substitute substitution equivalent and replacement list. The ef86 is a high transconductance sharp cutoff pentode vacuum tube with noval b9a base for audiofrequency applications. Thanks to frank philipse for supplying the above pdf datasheet. For some tube listings, other instructions may be present in the notations column that may direct you to connect the 12inch lead to other locations. A clean copy of the physics data booklet is required for this paper. Xray properties of elements electron binding energies xray energy emission energies fluorescence yields for k and l. Amplifier, ef89 datasheet, ef89 circuit, ef89 data sheet.
It does perturb the electron flow because the g2 screen must be a high voltage. Learn vocabulary, terms, and more with flashcards, games, and other study tools. With a classic design i mean a smaller valve for voltage amplification and a power valve driving the output transformer. Svetlana ef86 highperformance audio smallsignal pentode he svetlana ef86 is a glass envelope miniature pentode intended for highquality audio preamplifier service.
Ef89 unsorted pentode variable radio tube at 20 ht. A typical solid fertiliser for use with household plants and shrubs contains the elements n, p, and k in the ratio of 15 g. Efb24mft damper actuator technical data sheet modulating, spring return, 24 v, multifunction technology 8005439038 usa 8668057089 canada 2037918396 latin america caribbean. Cambridge international examinations cambridge international advanced subsidiary and advanced level chemistry 9701 paper 1 multiple choice mayjune 2015 1 hour additional materials. A different construction of the classic el34 tube that offers a different tonal palette than the original. The maximum mark for this examination paper is 40 marks. Nos tube specification sheet nos tube specification sheet. The maximum mark for this examination paper is 50 marks. Domestic receiving tubes and their foreign counterparts by. We are not responsible for any malfunctions of equipment due to inaccuracies in these tables. A potato chip crisp was ignited and the flame was used to heat a test tube containing water. Antique radio forums view topic hickok ks15750l1 tube data. Describe a simple test tube reaction to show that these three carbonyl.
Please see the substitutes at the top of the page for more details. This is a list of vacuum tubes or thermionic valves, and lowpressure gasfilled tubes, or discharge tubes. Downloads, supreme instruments manuals, tube data, and. Ask your catching inside sales person for a printed copy. The 6n24p double triode is designed for amplification of highfrequency voltage in cascade circuits of radio equipment of wide use. Many industrial, military or otherwise professional tubes were also produced. Bold designators are close or identical, italic designators are different ratings, different pinouts or different filament voltages. Vacuum tube 6686 e81l, pentode, power amplifier antique. Replacement paper for the roll and a supplement test data sheet. Buy the ef89 various manufacturers unsorted pentode variable radio tubes online on electols at best price for immediate delivery. This is the hickok tube tester set up for western electric tubes. The jj el34 ii is stronger than the original but not harsh sounding in any way. The information below is accurate to the best of our knowledge.
Description the 6s3p 63 highfrequency triode is designed for amplification of highfrequency voltage. Excess aqueous silver nitrate is added to z in a test tube. This makes the tube stable as an rf amplifier and extends frequency response. Tube possible substitute western substitute ec86 6s3p, 6s4p 6cm4. This is a list of vacuum tubes or thermionic valves, and lowpressure gasfilled tubes. Using the information from table 10 of the data booklet, determine the theoretical enthalpy of combustion of methanol. Find great deals on ebay for tube ef89 and el84 tube. Only a few types are still used today, mainly in highpower, highfrequency applications. We are attempting to list free schematics and related information here if not it may be listed on one the the web sites on our links page such as for test equipment and ham gear bama for antique radios nostalgia air for consumer audio one electron we have changed most of the files here to print quality pdf format but they will still be available on request in. A flat sheet beam is electrostatically deflected across the anode which is. This data booklet deals with grundfos heavyduty sewage pumps called s pumps, range 70. This unit is clean, and the scroll is in excellent condition. Pearson edexcel level 3 advanced subsidiary and advanced. Patient data booklet for infants born in 2019 mm dd contents.
It is very similar electrically to the octal base ef37a and the rimlock base ef40. 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. An increase in intensity in the sound is heard for the first time when the air column length is. Before the advent of semiconductor devices, thousands of tube types were used in consumer electronics. Free online schematics for vacuum tube audio, radio and test equipment, technical data, vacuum tubes and sockets for radio, audio and amateur use. Xray data booklet xray data booklet center for xray optics and advanced light source lawrence berkeley national laboratory introduction xray properties of elements electron binding energies xray energy emission energies fluorescence yields for k and l shells principal auger electron energies subshell photoionization crosssections. Ef 89 6 da 6 vacuum tube pentode 250 v 9 ma number of pins. The tube is manufactured by the oktjbr, vinnitsa, ukraine. The recommended usage of fertiliser is 14 g of fertiliser per 5 dm 3 of water. Apparently complete the tubes are there see photos, the power lamp comes on, but when the line adjust button is pushed, the meter does not move. I also have a print copy its not scanned to pdf, at least not yet of the eico 628 tube data booklet, 33pages, dated 1176. This tube was mainly used for the aegtelefunken magnetophone production, but evolved into much of the professional studio equipment of the time. The number of marks is given in brackets at the end of each question or part question. I177 series tube tester settings data antique airwaves.
All tubes new, military equipment and have otk mark. It was introduced in the late 1950s and was produced by philips, mullard, telefunken, valvo, and gec among others. A few specialquality tubes did not have a standard equivalent, e. For expanded educational material on fluid power, see textbook listings on the back cover. Two flasks p and q contain an ideal gas and are connected with a tube of negligible volume compared to that of the flasks. At the end of the examination, fasten all your work securely together. Fluid rower data book a collection of useful fluid power data, published in this condensed form for convenient reference. U a0 550 v u ala0 400 v u a 220 v u aw ar feb 15, 2015 run the tube with an elevated filament for a brief period to hopefully burn off the contamination. International baccalaureate organization 20 19 m194physi sp2eg tz1xx 2219 6511. Its a bit larger too, and has the scroll instead of the looseleaf tube data booklet.
The ef80 internally screened pentode was a workhorse of the vhf tv receiver and was introduced in mid 1950 to replace the ef91. I have the complete manual and it has two supplemental tube data listings but i still dont have testing data for all common tubes today i discovered i dont have testing data for a 7h7. Shipping will be by fedex and price quoted will be for the lower 48 states. I dont know how to work this machine but it does light up. Multiple choice answer sheet soft clean eraser soft pencil type b or hb is recommended data booklet read these instructions first write in soft pencil. Lawrence berkeley national laboratory introduction. W hat started out as a classic single ended design transformed into a very good amplifier. Instructions to candidates use black ink or black ballpoint pen. The thin glass tube envelope is 19 mm in diameter and, excluding the b9a base pins, is 52 mm tall. This 19581959 grundig 2066 px amfmsw vacuum tube valve radio was in nice cosmetic condition when i found it on august 18, 2004. Tube 7695 or rohre 7695 id6197, vacuum pentode, noval, b9a and poweroutput shown.
Does anyone have a source for obsolete tube data for this tester. I scanned jacksons 658 special tube and seldom used tube data booklet for someone on the forum last fall. This list is constantly and perpetually under construction. With almost datasheets and the visitor counter indicates over 4000. The jj el34 ii has an increased low to lowmid end with plenty of headroom to spare. This is a suitable replacement for any 6da6 ef89 tube type. Introduction introduction this data booklet deals with grundfos submersible wastewater and sewage pumps, types sl1 and slv. Tube ef 89 or rohre ef89 id841, vacuum pentode, noval, b9a and rfifstage shown.
Receiving tubes and foreign equivalents data collected from the russian book. Vacuum tube 6da6 ef89, pentode antique electronic supply. Tube ebf 89 or rohre ebf89 id418, double diodepentode, noval, b9a and rfifstage shown. First the v72 was reequipped with this state of the art telefunken ef804s audio tube made in their berlin and ulm production. Data from or other sources as supplied by john atwood.
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