12ax7 datasheet pdf download

This is the mullards 12ax7 twin triode tube highmu double triode for use as an amplifier or phase inverter. Notice to the polarity of the high voltage electrolytic capacitors c2, c2b, c3, c3b, c10, c10b, c, cb, c14, c14b. Key data and drawings are shown below, or you can download the 12ax7 datasheet in pdf format. Ecc81 datasheet pdf the 12at7 has somewhat lower voltage gain than the 12ax7, but higher transconductance and plate current, which makes it suitable scc81 high frequency applications.

A comparison of current production 12ax7 tubes 2014 frequency response separated into three ranges t12ax7mul lows mids highs 12345678910 10 3 noise 1 low noise 4 high noise gain rating 110 drawing drawn to scale. All our tubes are guaranteed for 3 months from the date of purchase. Sylvania 12ax7 datasheet 12ax7 also known as ecc83 1 is a vacuum tube that is a miniature dual triode 6av6 with high voltage gain. Thanks to its design it also peforms with very low noise and microphonics. Etc2 highmu double triode,alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. May 23, 20 key data and drawings are shown below, or you can download the 12ax7 datasheet in pdf format.

Articles containing potentially dated statements from all articles containing potentially dated statements articles needing additional references from december all articles needing additional references. Warranty information and return policy warranty period. Pdf 12ax7 ett509b 12ax7 12ax7 tube 12ax7 tube data data 12ax7 tube 12ax7 12ax7 triode tube 12ax7 data diagram 3 phase heater 12ax7 general ett509b. Ecc83s is 12ax7 high gain preamplifying double triode. It was developed around 1946 by rca engineers 2 in camden, new jersey, under developmental number a4522. Block diagram, pinout and 12ax7 circuit application inside. Jun 19, 2019 12ax7 datasheetpdf general electric company. Our new ehx strings electroharmonix electric guitar strings are customdesigned to our specifications and made in the usa by a premiere string manufacturer. Pdf introduction to design with electron tubes researchgate. Grid bias is most often provided by a cathode resistor. The 12ax7 was originally intended as replacement for the 6sl7 family of dualtriode.

Other new production tubes that might be worth a try are the russianmade 12at7 datasheet of famous brand names from yesteryear, mullard and genalex for instance. In this role it is widely used for the preamplifier dattasheet and midlevel stages of audio amplifiers. Direct heating cathode, medium power consumption triode is used for class a amplification. The terms correspondence, dyadic relation and 2place relation are synonyms for binary relation. Hook up all the components according to the schematic, part list, and photos. The 12ax7 was originally intended as replacement for the 6sl7 family of dualtriode amplifier tubes for.

Each wound string is precision wrapped with round nickelplated steel onto a high carbon, hexagonshaped steel core. The sovtek 12ax7wa is oem for a lot of major amp makers. All information is deemed reliable but not guaranteed. Double triodes, used as an low frequency power amplifier. Download 12ax7 datasheet pdf downlaod from iconline.

Typically a 12ax7 triode is configured with a highvalue plate resistor, 100k ohms in most guitar amps and 220k ohms or more in highfidelity equipment. The bugera 12ax7 is a premium grade version to substitute standard 12ax7s in any amp and position. It was released for public sale under the 12ax7 identifier on september 15, 1947. Any exceptions will be noted on that tubes warranty tab. Super low microphonics, and durable great for players on a budget. Noval typical characteristics and operating conditions anode voltage va 100 170 200 250 v grid voltage vg1,0 1,0 1,0 2,0 v anode current ia 3,0 8,5 11,5 10 ma transconductance s 3,75 5,9 6,7 5,5 mav amplification 62 66 70 60. It was released for public sale under the 12ax7 identifier on september 15, retrieved from s. It is dedicated to be used in audio frequency range which requires the output power 100w. The lower ac stray field sonstitvtty, combinod with oxcollant inoartty, make for a suparlor 120w. Shuguang beijing vacuum tube datasheet analog metric limited.

Heater warmup time is defined as the time required in the circuit. There are no polarities of the thin film capacitors. Jul 23, 2019 6n2p datasheet pdf 6n2p, 6n2pev 6h2n, 6h2neb. As of dtaasheet the 12ax7 was made in various versions by two factories in russia winged c, formerly svetlana, and new sensorwhich produces tubes under the sovtek, electroharmonix, svetlana, tungsoland.

The classic 12ax7 is clearly the most famous preamp valve found in basically all vintage and current amps. Sovtek 12ax7wb datasheet pdf download adobe acrobat pdf reader. Electroharmonix 12ax7eh datasheet pdf download adobe acrobat pdf reader. The 12ax7 is a highgain typical amplification factorlowplatecurrent triode best suited for lowlevel audio voltage amplification. Jj electronic vacuum tubes, capacitors, amplifiers. The e in the european designation classifies this as having a 6.

Ecc81 12at7 has somewhat lower voltage gain than the 12ax7, but higher transconductance and plate current, which makes it suitable for high frequency applications. In european usage specialquality valves of some sort were often indicated by exchanging letters and digits in the name. The 12ax7 is a miniature high mu twin triode each section of which has an individual cathode connection. That distinction probably falls datashheet the 12ax7, especially when you add guitar amps to the mix. It is also highly expressed in areas of the central nervous system, including the substantia nigra. It was developed around 1946 by rca engineers in camden, new jersey, under developmental number a4522. I recommend that if you dont already have it you download the latest version. The 12axlps is a high mu dual friode with a spiral filament. Pdf 12ax7 12ax7a 12ax7a ett3030 12ax7a 12ax7 tube 12ax7a pin connection t3030 tube 12ax7 tube 12ax7 data tube 12ax7a. High gain, ultralow microphonics, and superb linearity with a dynamic 3d sound. As of dtaasheet the 12ax7 was made in various versions by two factories in russia winged c, formerly svetlana, and new sensorwhich. Gec twin triode,alldatasheet, datasheet, datasheet search site for electronic components and.