Quality russian 6j51p tube was made in ussr for the military equipment. About nj7p tube database search the resource is currently listed in in a single category. The primary use is as a class a voltage amplifier with resistancecapacitance coupling. Ib merchandise and publications can be purchased through the ib store at. Downloads, supreme instruments manuals, tube data, and. I wouldnt expect to get a real idea of the quality of a tube type from two random used tubes. The 6j6 tube was part of a series of tubes of the same design, but different heater voltages. The only reason that comes to mind is that if two tubes have slightly different sound qualities i could blend their characteristics at this point if say an rca and a zenith are inserted together in one side of the amp. This is a list of vacuum tubes or thermionic valves, and lowpressure gasfilled tubes, or discharge tubes. Tube 6bg6g or rohre 6bg6g id4644, beam power tube, octal int. 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. It should be noted that the range of data contained in the booklet has been limited to the concepts which may be assessed through written question papers. Screen dissipation maxw these specifications are provided asis, with no warranty.
Use of these parameters shall be entirely at the users own risk. The later 6p7g is the same valve but fitted onto an octal base. It should be much faster than the old server at my house. Vacuum tubes, sockets, capacitors, nixie and electron tube accessories. The data was mostly fragmented, variable and sketchy, as it was for the tubes being used as voltage regulators in most cases. Tube 7b7 or rohre 7b7 id2855, vacuum pentode, loctal8, b8g sylvania, 1938 and rfifstage shown. By coincidence, im working on a silvertone 4590 which also uses 6n6 tubes.
Drop in tube replacement 6n6 v 6cg7 audiogon discussion. According to the 1946 sylvania tube manual, the 6n6 is a dual triode with direct coupling from one section to the other, and is the octal equivalent of the 6b5. A rca53 class b twin amplifier the 53 is a heatercathode type of tube. Medium 7pin other characteristics of this type are the same as for type 6n7. In the soviet union 6n14p found application in special equipment and to a lesser extent in moreexpensive fm receivers and television sets in the 1960s.
The main category is vacuum tube resources that is about vacuum tube, electron tube, thermionic valve, valve resources. Some 6336a tube data recommended a maximum of 500k for the grid resistors in some applications and also a minimum of 200 ohm for cathode resistance. Unlike the 19j6 or 5j6 tube, however, numerous manufacturers produced the 6j6 tube in great numbers. Here are data sheets from three different mfrs of the 6j6 tube family pdf files. Before the advent of semiconductor devices, thousands of tube types were used in consumer and industrial electronics.
Adjust the vr1 500ohm so that the the tube filament voltage middle pin of u1 is around 6. Antique radio forums view topic 6n6 replacement tube 6k6. I change this directory structure often and your links will not work correctly. Lawrence berkeley national laboratory introduction. This link is listed in our web site directory since thursday jan 3 2008, and till today nj7p tube database search has been followed for a total of 2187 times. The 6n1p has similar ratings to the 6dj8 and in the past was sometimes rebranded as such, however differences between the two types the. Ge essential characteristics, the whole 228 page book in an indexed pdf file big, 11mb. This database has been accessed 156528 times since january 1. Can the 7af7 be rolled in for a 6sn7 in any pre amp using the 6sn7 i currently use a blue circle bc.
The 76 and 6p5 are the same tubes with different bases 5 pin and octal respectively. These specifications are provided asis, with no warranty of any kind. If you need more than the quantity available, please email us at. Xray properties of elements electron binding energies xray energy emission energies fluorescence yields for k and l shells principal auger electron energies. An old website comment suggested a maximum of 47k grid resistor. Octal preamp tubes tend to be very full sounding, but also noisy, you introduce too much compression to the preamp design and you may end up boosting a. If everything is ok, the measured voltage of vcc terminals of r2 or r5 are about 65v dc. Also i wonder in question q1 if both input tube grids need to be engaged with the volume pot. I have a cayin tube amp that uses chinese 6n6 tubes does anyone know of a replacement nos tube that would work as an upgrade. But it has a lower plate resistance so you can bias it a little on the hot side. The tube database search site cgi scripts by justin poirier. International baccalaureate rganization 20 19 m194physihpmen tz 1xx 2219 6507. The result is a highvoltage tube circuit that is more or less selfbalancing for the tube pairs. The 6n24p double triode is designed for amplification of highfrequency voltage in cascade circuits of radio equipment of wide use.
The maximum mark for this examination paper is 40 marks. Barkhausens valveequation tube data end of life values tube data sheet information tube glossary rohren glossar tube parameters. However, in the majority of medium and lowgrade sovietproduced fm radios a more general purpose 6n3p 2c51 vacuum tube was. The 6j6 tube is a dualtriode tube rated for 300v on the plates.
This link is listed in our web site directory since thursday jan 3 2008, and till today nj7p tube database search has been followed for a total of 2187. This database has been accessed 156528 times since january 1, 2001. The resource is currently listed in in a single category. Was the cayin designed with a different tube than the one advertised. Rca53 class b twin amplifier the 53 is a heatercathode type of tube. Aug 16, 20 the 76 and 6p5 are the same tubes with different bases 5 pin and octal respectively. We believe that they were the first such types to hit the market, the 2f7 dating back to the early 1930s. Our preferred method of payment is via wire transfer of funds.
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