The 1943, 1949 and 1959 sylvania tube manuals online. The 6bq5 is a poweramplifier pentode designed for use in the audiofre quency poweroutput stage of television and radio receivers and in highfidelity. Gec, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors. Electrovalvula segun norma iso estandar serie vq7678. You will find these tubes that have white ceramic and some that have pink or. Output pentode el84 is an output pentode for use in guitar and hifi amplifiers.
The gi7bt is a more ruggedized version of the same tube featuring a fatter ceramic element but otherwise the same as the thinner gi7b. There are many equivalent tubes with different names, some identical, some designed for ruggedness, long life, or other. El84 datasheet pdf pentode triode, vacuum tube philips. Tube interchangability reference nostalgic kits central. It reduces headroom by approximately 25% which allows it to achieve overdrive at lower volume levels. Tubes in the tube column are directly replaceable with tubes in the replacement column. Description pentode for af power amplifier applications. Every attempt has been made to provide sufficient information in this manual for the proper operation and preventive maintenance of the valve. Valvula compacta montaje individual o en bloque consumo. An interchangeable north american type is the 6bq5 the retma tube designation name for the el84. The 12au7 and its variants are a miniature ninepin b9a base mediumgain dual triode vacuum tube.
Pdf 1650e 1650g pushpull 6l6gc el34 schematics 6bq5 el34 6aq5 tube tube 6v6 6550b el84 tube 807 tube. Output pentode el844 is a lower power version of el84. Watts watts typical operating conditions and characteristics single tube class al amplifier plate, copyright 1041 by tungsol lamp works inc. The el84 is smaller and more sensitive than the octal 6v6 that was widely used around the world until the 1960s. At the bottom of this page youll find some links to other tube datasheet sites in case you cant find what youre looking for. Ecl86 the very successful el84 is the last development step from el3 via el41 to the final point of radio output pentodes.
Pentode for af power amplifier applications, 6bq5 datasheet, 6bq5 circuit, 6bq5 data sheet. To prevent damage to equipment, it would be wise to double check with a good tube manual before actually doing a substitution. Please see the substitutes at the top of the page for more details. Twin triode, 12ax7 datasheet, 12ax7 circuit, 12ax7 data sheet. By the late 1950s there was a large selection of stereo hifi audio tube amplifiers available. U a 250 v u g2 250 v u g1 7,3 v i a 48 ma i g2 5,5 ma s 11,3 mav. It reduces headroom by approximately 25% which allows it.
You have successfully added from to your part list. Las aleaciones especiales disponibles, incluyen aleacion 400, aleacion c276, aleacion 20, aleacion 600 y titanio. Tube 6bq5 or rohre 6bq5 id3781, vacuum pentode, noval, b9a and power output shown. More electron tubes can be found in the tube store collection of new old stock nos if you are looking for a tube shop carrying the very best tubes for your amplifier, youve come to the right place. Application to audio, by john hunter, august 2002, march 2003. It was developed around 1946 by rca engineers in camden, new jersey, under developmental number a4522. It belongs to a large family of dual triode vacuum tubes which share the same pinout retma 9a. Tube 6bq5 or rohre 6bq5 id3781, vacuum pentode, noval, b9a and poweroutput shown. Owners of amps from dynaco, eico, mullard, and fisher, among others, were enjoying great sound from these reasonably. T6 max ua u uu max i 1, bottom view 9 pin base 9 c v the 6bq5 is an output pentode designed for application in medium power, division, bloomfieid, new jersey, u. My experiences with singleended el36 output stages, by graham dicker, march 2003, october 2004.
Gec pentode for af power amplifier applications,alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. This end pentode is designed for use in audio amplifiers, and was introduced by philips in 1953. Its dissipation power was increased from 9 to 12 watts, giving. Jj electronic vacuum tubes, capacitors, amplifiers. Noval u f 6,3 v i f 0,760 ma typical characteristic. Datasheet search engine for electronic components and semiconductors. It was released for public sale under the 12ax7 identifier on september 15, 1947. Its dissipation power was increased from 9 to 12 watts, giving an output power of 5. View and download hamilton sundstrand company gas fuel metering valve hfg2.
The 6bq5 is a poweramplifier pentode designed for use in the audiofrequency. The gi7b t is a very rugged metal ceramic tube built during the cold war for use on russian tanks and other military vehicles. A pp amp using el36s and the altronicsm1115 transformer, by grant wills, may 2003. May 28, 2014 the gi7b t is a very rugged metal ceramic tube built during the cold war for use on russian tanks and other military vehicles. Gec, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. The el84, or commonly known as 6bq5 in north america, was intended for use as an inexpensive alternative to the larger audio tubes of the time, such as el34, 6l6, and kt66 power tubes. If you arent sure about which valve you need, or what tubes you can substitute, let us help you. The 12ax7 was originally intended as replacement for the 6sl7 family of dualtriode amplifier tubes for. The very successful el84 is the last development step from el3 via el41 to the final point of radio output pentodes.
The sole later launched ecl86 may not be considered as a true successor as it is a multiple beampowertube. Most of the datasheets are in pdf format and some are links to other html pages. Buy jj gz34 5ar4 vacuum tubes online, in stock and ready to ship. The telefunken el84tk is a perfect replacement for any el84 6bq5 tube offering a reliable and great sound.
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