Please, return your results and opinion of tube testing for publication. Radio handbookcomprehensive theory, design, and construction data. This valve is 18 mm in diameter and 45 mm high excluding the b7g base pins. The facts show a rather substantial increase in distortion and a reduction in. Between the 280 and the 280a, magnatone engineers switched from the 6cz5 tube to the 6973 tube. Mostly allowing a t9 stright sideed bulb rather than the st 12 shape of the original. Within each of the data sections of this handbook, data are presented by. Summary parameters of transmitting pulse tubes please, click on the tube type to get its data sheet. The 6c4 is a miniature, mediummu triode suitable for use in a wide variety of general purpose applications. The beam tetrode design of the 6l6 allowed rca to circumvent philips pentode patent. My experiences with singleended el36 output stages, by graham dicker, march 2003, october 2004.
Tube 6cw5 or rohre 6cw5 id4747, vacuum pentode, noval, b9a and poweroutput shown. In that set, the output tube is a 25ac5 but the circuit is the same. This tube is not a direct 6bg6 clone, it is an octal modification of g807 tube, which one was soviet clone of famous 807. Contributed by jay rusgrove in early 2014, this work brings some good data and factual info to the long standing suggestion that the 6aq5 be substituted for the 6bf5 that runs so hot in our sline receivers.
Like mentioned 6j5, 12 6sn7 and 12 12au7 will all work in most circuits designed for 6c4 but this wont be found in books. The data sheet does have some advice on using the tube in the avc. Application to audio, by john hunter, august 2002, march 2003. Antique radio forums view topic direct coupled 6p56ac5. Yes actual nos some tubes test nos but have a few hours on them. Rfc3, the plate rf choke, is wound for operation at low impedance over the range from 3. Bold designators are close or identical, italic designators are different ratings, different pinouts or different filament voltages. Try to find 3 or 4 new tubes of the same type and match them up in the circuit. I am posting his data here with his permission, including taras statement that is just preliminary result, and the final testing of different preamp tubes will. Zenith seemed to favor that directcoupled circuit in 193941.
Both 6p7s and 6bg6 tubes has the same pinout and nearly the same characteristics. National union official hand book of radio tube characteristics, interchangability, base. Both rca and sylvania tube manuals specifically call out the 6p5 as the tube intended to be the driver in their circuit descriptions of the directcoupled output stage using the 6ac5g. Raytheon radio tube data and substitution chart 1945 sf. The 6p7s output beam power tetrode is designed for operation in line scanning output stages of tv receivers. Our preferred method of payment is via wire transfer of funds. A pp amp using el36s and the altronicsm1115 transformer, by grant wills, may 2003. Nos nib raytheon usa jancrp1007 silver jacket vacuum.
Any homemade or commercially built cabinet of suitable size more than 14 x 12 x 6inch may be employed. I wouldnt expect to get a real idea of the quality of a tube type from two random used tubes. At the time philips had already developed and patented power pentode designs, which were rapidly replacing power triodes due to their greater efficiency. Vacuum tubes, sockets, capacitors, nixie and electron tube accessories. Ge essential characteristics, the whole 228 page book in an indexed pdf file big, 11mb. Best to ask when you need a tube electrically similar. Please see the substitutes at the top of the page for more details. Amperex eimmac philips raytheon rca sylvania vacuum tubes. Nonetheless i too have seen a crosley 02cp that used 6j5 as the driver. Made in ussr, reflektor factory for military equipments otk, military rhombus stamped. Etsy is the home to thousands of handmade, vintage, and oneofakind products and gifts related to your search.
File created by dieter waechter dieters nixie tube data archive this file is a part of dieters nixie and display tubes data archive if you have more datasheets, articles, books, pictures or other information about nixie tubes or other display devices please let me know. Tube 6cy5 or rohre 6cy5 id3891, screengrid tetrode, miniatur7pinbase b7g, usa 1940 and shown. Quality soviet svetlana hiend output triode 6s4s 6c4c. 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. With only four mini 7 pin tubes, two 50c5 and two 12av6 or 12at6 tubes, this is a very simple single ended amp rated around 1 watt, might be a little lower. The 6me6 vacuum tube is a novar type used as a horizontaldeflection amplifier in color and bw tv receivers. The 76 and 6p5 are the same tubes with different bases 5 pin and octal respectively. Dieters nixie tube data archive this file is a part of dieters nixie and display tubes data archive if you have more datasheets, articles, books, pictures or other information about nixie tubes or other display devices please let me know. Aug 16, 20 the 76 and 6p5 are the same tubes with different bases 5 pin and octal respectively. Tube 6c5 or rohre 6c5 id593, triode, vacuum, octal int.
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. It is especially useful as a local oscillator in high frequency and very high frequency receiver circuits. Goodsoundclub romy the cats audio site the 6e5p tube. The 6973s can be made to work in amps that came with 6cz5s, so 280 owners are in luck too. Taras oleynk aka ml8 sent me a couple months ago his measurements of different driver linelevel tubes including the melquiadess diver tubes the 5e5p. 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. Tubes cant be substituted since they have different bases but are electrically similar.
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