This recorder is mission a small back cover that may have had a model number a related question is what is the meaning of locked off tube code 9 for the 6me5. Tube 6em5 or rohre 6em5 id4817, beam power tube, noval, b9a and shown. This rating ig applicable where the duration of the voltage pu ise does not exceed 15 per cent of one hori zontal scanning cycle, in 52s1ine, 30frame system, 15 per cent of one horizontal scanning cycle is mi crag econ ds. Like all wide band amplifier active devices it has a high mutual conductance figure so that feedback can achieve a wide band design. Eye, 1 shadow angle, 6pinbase u6a, old, usa and indication shown. Miniature type used as phase inverters or twin resistance coupled amplifiers in radio and audio equipment. This is same new tube but with 7,6 heater pins engaged. Application to audio, by john hunter, august 2002, march 2003. The receiving tubes are listed in the left hand column and the industrial substitutes in the righthand column. If you have an american tube and want to know what euro pean type will serve as a substitute, refer to section 3. These others were made more for televison sets or something. The tube is essentially a voltage indicator and as such is particularly useful to facilitate exact tuning of a radio receiver. The 6e5 came out by rca in or around the late 1930s perhaps the early 1940.
The problem is basically maximum plate voltage ratings with either the 6cz5 and 6em5. The information contained on this website is for information only. The datasheet shows that for high voltage regulator and pulse modulator use the peak voltage can reach several kv. The specifications can be found here anode can easily dissipate 8w and screen can take up to 2w and has a high transconductance of around 30 mav. The 6me6 vacuum tube is a novar type used as a horizontaldeflection amplifier in color and bw tv receivers. I have a knight a9753 radio that came with the very difficult to now find 6g5 eye tube and i would like to replace it with a 6e5 tube. The 6j5 is a generalpurpose triode designed for use as a detector. The new eh tubes will work very well in old 6973 amps but to my ear they dont sound anything like a real 6973. Rfc3, the plate rf choke, is wound for operation at low impedance over the range from 3. The 6c4 is a miniature, mediummu triode suitable for use in a wide variety of general purpose applications. Data for soviet tubes can be found the same way as the other tubes. It dates from the 1950s and was thus designed in the era of 405 line vhf television. Condition is very good, year published is 1971 t are 10 full page photos of steve and 68 pages of very informative text, i will combine shipping when purchasing multiple itemsall items must be paid for or have communicated with me.
My experiences with singleended el36 output stages, by graham dicker, march 2003, october 2004. The 6e5 was the original eye tube, more properly known as electron ray indicator, tube. The spacing indicates a nonlinear gain when used in circuit. Originally designed for the output stages of audio frequency amplifiers, the el84 can deliver up to 17 watts. The data sheet does have some advice on using the tube in the avc.
Description the 6j5p 65 hightransconductance pentode has been designed for h. Oh yeah, i wired the tube up to do only one half at a time. Replacing a 6g5 eye tube with a 6e5 tube antique radios. The 6e5p is highfrequency indirectlyheated tetrode from our friends in russia. Sharpcutoff pentode tube data provided by duncan amplification. The 6973 is a true audio output power tube with higher plate voltage ratings. Spectacular tube i think rca poured most of their hifi tube making knowledge into that one. It is a thermionic valve of the power pentode type. One thing i can tell you, after owning a good number of 6973based supro amps, is that nothing sounds like a real rca 6973. No matter what youre looking for or where you are in the world, our global marketplace of sellers can help you find unique and affordable options.
Made in ussr, reflektor factory for military equipments otk, military rhombus stamped. If you have the tube collectors association data cache dvd, the original data sheet is in file 0033. Vacuum tubes, sockets, capacitors, nixie and electron tube accessories. Xray properties of elements electron binding energies xray energy emission energies fluorescence yields for k and l shells principal auger electron energies. I am working on scanning and placing on this page the entire rca hb3 tube manual. Vacuum tube 6em5, beam power amplifier antique electronic supply skip to main content. We do not know these differences as the 3bs2b tube data is not available. The 6j5p pentodes are miniature devices enclosed in glass bulb and are provided with a sevenpin base, rigit leads. Full tesla multilanguage data sheet is here in pdf form. For verticaldeflectionamplifier service in 1100 systems. Lawrence berkeley national laboratory introduction. As of 3505, i have finished scanning the general section, receiving tubes part 1, receiving tubes part 2, miscellaneous, specialpurpose receivingtype tubes, thyratron, ignitron, and glowdischarge tubes, and most of the.
The sylvania types 6em5 and 8em5 are miniature beam power tubes designed primarily. Each years set includes all six issues of tube collector as well as the special publication. The schematic shows the circuit modification to do this but i would like to verify it with you guys. Although ive heard them being referred to as, eye tubes, tuning indicators, magic eye tubes, bulls eyes, target indicators, and even bow tie tubes. I think if i was rearranging pinouts somehow id be better off converting the amp to use el84 tubes. General double triodes, used as an regulator in electronic stabilizer circuits. Sections 3 and 4 list american and european equivalents. The 6me5 came with a realistic radio shack open real recorder. Please see the substitutes at the top of the page for more details. Any homemade or commercially built cabinet of suitable size more than 14 x 12 x 6inch may be employed. It is especially useful as a local oscillator in high frequency and very high frequency receiver circuits. 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. Etsy is the home to thousands of handmade, vintage, and oneofakind products and gifts related to your search.
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