I was not able to get the visual green glow on the tube face although the other test. Stereo singleended class a power amp with bluetooth 4. It is a direct equivalent of ecc84 and 6cw7 vacuum tubes. Particulars high transconductance pentode tube 6p14s anticathode limit dissipation power is 12w. Chemistry 970105 paper 5 planning, analysis and evaluation mayjune 2008 1 hour 15 minutes candidates answer on the question paper. It is direct heating cathode and low power consumption. Instructions to candidates use black ink or black ballpoint pen. This data booklet deals with grundfos heavyduty sewage pumps called s pumps, range 70. I tried it with the 648 and several tubes seemed to test ok with this data. Tube amp doctor el84 str premium selected vacuum tube, matched pair.
Five tube stereo amplifier valve amplifier, amplifier. Description, power pentode, audio output amplifier. The 6p14pev output pentodes are miniature devices enclosed in glass bulb and are provided with a ninepin base and an indirectly heated oxidecoated cathode. A similar situation we have for the philips el84, also a fantastic tube, but expensive. The tubes are perfect for recording or rehearsals because they deliver a soft harmonic touch. The el84 is smaller and more sensitive than the octal 6v6 that was widely used around the world until the 1960s. The 1959 miniwatt technical data book from philips lists the 6bq5 as the r. 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. The tubes are made of hardened construction materials to. This item nobsound 6p14 el84 class ab tube integrated power amplifier hifi stereo pushpull amp assembled steljes valve amplifier tube amp 30w2 bluetooth audio stereo hybrid british design ml30hd.
With the tubes comes a four page original printed data sheet, listing in full. We recommend the use of vacuum tubes in its applications is with a big time of life please see all list for 6n1p and 6n2p tubes. This is our collection of diy and hifi audio schematics. At the end of the examination, fasten all your work securely together. Russian tube 6p14pev in cyrillic script it is written as 614. Information on a jackson 648 tube tester antique radios. Douk audio hifi 6p14 el84 vacuum tube integrated amplifier. The russian 6pi14pi is another version of the 6p14p and chinese 6p14. 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. In audio frequency amplifier, it can amplify a1,ab1 and b. Shuguang el846p146bq5 replacement vacuum tube valve. When an evacuated fluorescent light tube of volume 300 cm 3 is filled with a gas at 300 k and 101 kpa, the mass of the tube increases by 1. Using the information from table 10 of the data booklet, determine the theoretical enthalpy of.
If the tubes are pushed into overdrive mode the music will be harder and edgy. The number of marks is given in brackets at the end of each question or part question. 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. Buy dingq el84 preamp electron vacuum tube 9pin for 6p14 el846bq5 audio amplifier tube replacement. Downloads, supreme instruments manuals, tube data, and. Preferred series 7189 pentode for power amplifier applications. The el84 was developed to eliminate the need for a driver tube in radios, so it has rather more gain than is usual in a power pentode. American name for the el84 in its type number cross. The el84 6bq5 tube is well known by electric guitar players and. Two flasks p and q contain an ideal gas and are connected with a tube of negligible volume compared to that of the flasks. Multiple choice answer sheet soft clean eraser soft pencil type b or hb is recommended data booklet read these instructions first.
High transconductance pentode tube 6p14s anticathode limit. Feel free to send us your hifi audio schematics and we will add them here. El84 power tubes shortly after the appearance of the el846bq5 tube. These tubes deliver improved sound performances fit for any genre. Description the 6p14pev 614 output pentode is designed for amplification of lowfrequency power. Pentode for output stages of low frequency amplifiers. 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.
The 7189 differs from el84 and 6bq5 tubes in that it has a higher maximum plate wattage, plate voltage, and screen voltage rating. You will find thousands of tubes or valves with interesting links. You even can look up radio models with a certain tube line up. Nos 6bq5 and el84 tubes are internally grounded at pin 1 and they will damage an amp designed for the russian tubes if used. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Please see the substitutes at the top of the page for more details. Nobsound mini el34 vacuum tube integrated amplifier singleended hifi stereo class a power audio amp black. I have a 648s special tube data booklet that came wirth the 648. The el84 is a thermionic valve of the power pentode type. Tubes 6n1p and 6n2p has several of other modifications which distinctive feature of which is a lifetime. The 6p14pev tube is high reliability and long live output pentode designed for lf power amplification. This tubes have extra characters at the end 6n1pev or eb and 6n2pev or eb. Xray properties of elements electron binding energies xray energy emission energies fluorescence yields for k and l shells principal auger electron energies.
Ge essential characteristics, the whole 228 page book in an indexed pdf file big, 11mb. Electron devices svetlana svetlana 6n1p dual audio triode 10 20 30 40 0 100 200 300 400 500 0 vg ov2 46810 12 plate current milliamperes 14. Patient data booklet for infants born in 2019 mm dd contents. Bold designators are close or identical, italic designators are different ratings, different pinouts or different filament voltages. Pearson edexcel level 3 advanced subsidiary and advanced. Cambridge international examinations cambridge international advanced subsidiary and advanced level chemistry 970112 paper 1 multiple choice octobernovember 2015 1 hour additional materials. Lawrence berkeley national laboratory introduction. If you have built any of these circuits, we would love to hear from you so send us your comments. Shuguang beijing vacuum tube datasheet analog metric limited. Widely used in output stages of low frequency amplifiers. An interchangeable north american type is the 6bq5 the retma tube designation name for the el84. Dingq el84 preamp electron vacuum tube 9pin for 6p14 el84. Introduction introduction this data booklet deals with grundfos submersible wastewater and sewage pumps, types sl1 and slv. Economics edexcel international gcse maths a 91 international advanced level chemistry specification pearson edexcel international advanced subsidiary in chemistry xch11 pearson edexcel international advanced level in chemistry ych11 first teaching september 2018 first examination from january 2019.
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