I had always wondered why these two types of tubes existed, with such similar characteristics. You can find exacter data, having investigated the characteristics of a tube for a mode used by you in the circuit. Just make sure you do a very very very good job of soldering on pins 4 and 5. If you need more than the quantity available, please email us at. In this exhibit the 6j5gt triode electrode assembly is formed on a conventional tube glass pinch. I wouldnt expect to get a real idea of the quality of a tube type from two random used tubes. Tube 6j5 6j5gt 6j5gt tube 6j5g 6j5 6j56 6j5 general electric 6j1 tube 6j1 electron tube. Wcox056107b watercooled packaged chillers with helical. Try to find 3 or 4 new tubes of the same type and match them up in the circuit. British made by gec in hammersmith uk, this is the best sounding 6j5gt 6j5wgt. Tube 6j5g or rohre 6j5g id2845, triode, vacuum, octal int.
It was for two decades the international standard valve for audio amplifier input stages and audio systems generally. For large output tubes like 300b or even 211 where the 6n7 has too high of a drive impedance, the 6j5 is not much better either. The anode plates are formed to leave an oval cavity for the grid and cathode. The shuguang chinese 6j8 is direct replacement of ef86 6267.
While still ok for a 300b maybe, i would not consider it for the large transmitting tubes. The 6j6 tube is a dualtriode tube rated for 300v on the plates. Tube data item vfv ifa vav vgv iama riohm gmmav u raohm paw ml6 6 0. The primary use is as a class a voltage amplifier with resistancecapacitance coupling. They are good quality and found in many chinese amps and preamps. The tube is manufactured by the nevz, novosibirsk, russia.
Such a tube with a grid made of an alloy of gold are very very rare. Although originally designed as a detector its linear characteristic and good internal shielding cf. Russian 6s5s tubes equivalents to the 6c5 6c5gt the bid is for 4 russian tubes in individual boxes. Pdf 92cm644b 92cm4771ri 6j5 tube 6j5gt tube 6j5 6j5g 6j5gt tube 6j5 644b. The schematic shows the circuit modification to do this but i would like to verify it with you guys. If you make this connection you will have a 700 volt potential difference on those two pins, depending on the set of course. Type 6j7 is a contemporary of the magic three and almost as ubiquitous. Includes extracts from original philco advertising, detailed coverage of the promotion of philcos 10,000,000th set and discussion of its technical characteristics. New listing 12au7a ecc82 rca nos nib clear top tested balanced hifi amp radio vacuum tube. The 76 and 6p5 are the same tubes with different bases 5 pin and octal respectively. Note especially the space and clearance requirements necessary for servicing the unit.
Philco model 38116xx 38116 highfidelity console radio. Replacing a 6g5 eye tube with a 6e5 tube antique radios. An interesting thing that may come in handy to certain people, is that the settings data between the tv4au military tube tester and several other models, namely the weston 685 types 3 and 3a, and the military tv4u appear to be interchangable within the socket differences of the testers. Description the 6j5p 65 hightransconductance pentode has been designed for h. With almost datasheets and the visitor counter indicates over 4000. Thats why i prefer tubes like 6n7 as drivers for small output tubes. If any electricity gets across that little gap between those two pins you can kiss the tube, the socket and possibly your power transformer. The output of this small amplifier in which a 6v6gt output pentode is connected as triode is about 4. Tube 6j7g or rohre 6j7g id2694, vacuum pentode, octal int.
Single ended class a 6v6 6j5 valve vacuum tube amplifier circuit. 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. Tube possible substitute western substitute ec86 6s3p, 6s4p 6cm4 ec88 6s4p 6dl4 e80cc 6n1p, 6n3p ecc82 6n1p, 6n5p 12au7 ecc83 6n2p ecc803, 6l, 12ax7 ecc85 6n3p 6l12, 6aq8 ecc189 6n23p 6es8 ecc802s 6n1p ev, 6n5p ecc82, 12au7wa, 6067 ecc803s 6n2p ev ecc83, 12ax7wa, 6057 ecc960 6n3p, 6n15p e90cc. The result is a highvoltage tube circuit that is more or less selfbalancing for the tube pairs. Our preferred method of payment is via wire transfer of funds.
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. The 6j5p pentodes are miniature devices enclosed in glass bulb and are provided with a sevenpin base, rigit leads. Each file contains the information on all updating of a onetube type also the static and dynamic curves. This is a suitable replacement for any 6j5 6j5g 6j5gt 6j5wgt triode tube type. The tube gives a very clean, warm and natural sound. Photographs and detailed description of the philco 38116xx highfidelity console radio. This chinese ef86 6267 tube type is commonly called a 6j8 tube in china. From a european sylvania tube application data sheet. Home tubes 6j1pev ef95 6f32 pentode tubes lot of 10 new. The 5r4gy is a high voltage power rectifier and was designed for transmitter use. At present time, these data are most complete and exact. The grid is wound with wire made of an alloy of gold. Brimar have marked the valve as made in england but the etched designation octagon looks identical to the american and the code beneath is in a different fount. Apparently the 6c5 came first, and the 6j5 is an improved version.