Along with this update, they have also fixed the regular bugs and improved the system stability and performance. I have a pair of nice monoblock 300b tube amps chinesemade, p2p wired, really nice sound. This is a list of vacuum tubes or thermionic valves, and lowpressure gasfilled tubes, or discharge tubes. The 5751wa tube is a rugged military version of the 5751, and is the closest equivalent to the 6n2pev. The most significant difference between the two is that 6n2p has its two filament elements connected in parallel, unlike the series filament connection of the 12ax7, and it is thus only possible. 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. Block diagram, pinout and 6bn8 circuit application inside. In82 blue dream nixie clock in black brilliance case. Modern vfd vacuum tube demonstrated itself as a tube which can provide tube sound with low supply voltages. By coincidence, im working on a silvertone 4590 which also uses 6n6 tubes. I wouldnt expect to get a real idea of the quality of a tube type from two random used tubes. Currently, a 12ax7 variant derived from the 6n2pev is being produced by sovtek, under the designation 12ax7wa. This tube is not a direct 6bg6 clone, it is an octal modification of g807 tube, which one was soviet clone of famous 807. Downloads, supreme instruments manuals, tube data, and.
Keywords audio, low frequency, thd, noise, vacuum tube, circuit design, pcb design. Wcox056107b watercooled packaged chillers with helical. Swagelok tube fittings is that the tubing must be softer than the fitting. Using the pentodetriode tube as the amplifierphase splitter. Try to find 3 or 4 new tubes of the same type and match them up. Datasheet for qs301 nixie tubes from an unknown chinese tube data book. 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.
International baccalaureate rganization 20 19 m194physihpmen tz 1xx 2219 6507. An old website comment suggested a maximum of 47k grid resistor. I note in my tube manual that the 6dj8 is listed as having a nominal u amplification factor of 33, while the 7es8 is listed here as having a nominal u of 65. Ive been researching suitable replacements and purchase a pair of nos rca metal 5z4 rectifiers. The 6n1p has similar ratings to the 6dj8 and in the past was sometimes rebranded as such, however differences between the two types the 6n1p. Between the 280 and the 280a, magnatone engineers switched from the 6cz5 tube to the 6973 tube. Aug 16, 20 the 76 and 6p5 are the same tubes with different bases 5 pin and octal respectively. 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. Etc, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors. Russian svetlana factory 5c8s is doubleanode full rectifier tube the tubes are never used. Tube 6ar5 or rohre 6ar5 id3785, vacuum pentode, miniatur7pinbase b7g, usa 1940 and poweroutput shown. Users manual vidonn smartband x6 thank you for choosing vidonn smartband which features advanced design and technology skills, provides more better help and enjoyment for your daily activities and sports to create a more healthier life for you. Note especially the space and clearance requirements necessary for servicing the unit.
In82 8 2 nixie rohrenixie tube made by melz tube factory in moscow, russia a wonderful great looking nixie tube, made in the eighties. The 6p7s output beam power tetrode is designed for operation in line scanning output stages of tv receivers. In the 1970s an improved and more rugged version of the 6n2 was introduced, designated 6n2pev russian. The 76 and 6p5 are the same tubes with different bases 5 pin and octal respectively. The data was mostly fragmented, variable and sketchy, as it was for the tubes being used as voltage regulators in most cases. Mullard e182cc would be a vast improvement over the chinese 6n6. Double triode, 6h8c datasheet, 6h8c circuit, 6h8c data sheet.
The 6973s can be made to work in amps that came with. 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. Taking the tube manual data for the 6l6 as an example the distortion for a pair in push pull at 25 watts is 2%. Jan 28, 20 the 6bh6 is a high impedance, medium gain signal amplifier. 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. Only one of the tubes in one of the circuits came close to this value. This is the sylvanias 6bn8 double diode triode tube. After making measurements on other tube types i was amazed by the distortion figures for the optimized operating point. Xray properties of elements electron binding energies xray energy emission energies fluorescence yields for k and l shells principal auger electron energies. The good news for owners of either amp is that the 6973 is back in production.
All tubes new, military equipment and have otk mark. The key to selecting proper tubing for use with metal. 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. Selecting tube 1 as being least best i collected the data in the first row in each cell of the second set of data.
However, there are problems with nutube 6p1 which makes it useless in audio systems with high fidelity. 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. However the stock 5z4p rectifier tubes are starting to go. Both 6p7s and 6bg6 tubes has the same pinout and nearly the same characteristics. Lawrence berkeley national laboratory introduction. The tube is manufactured by the nevz, novosibirsk, russia. Welcome to the tube data sheet locator, a popular web resource for finding data on vacuum tubes. Foreign tubes and possible substitutes not always pin compatible, and may need different heater. Please see the substitutes at the top of the page for more details. It has a low heater current requirement and was designed for use in car radio and other mobile equipment. If you have never used this facility before, click the help link. The maximum mark for this examination paper is 40 marks. Ge essential characteristics, the whole 228 page book in an indexed pdf file big, 11mb. Antique radio forums view topic 6n6 replacement tube 6k6.