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What’s the Best 12AU7 Tube for Audio? (Reviews-2022 ...
https://sonoboom.com/best-12au7-tube/
JJ Electronics 12AU7/ECC 82 Preamp Vacuum Tube (Editor’s Choice) The JJ Electronics …
Experimental 12AX7-12AU7 Audio Amplifier
http://www.r-type.org/articles/art-133.htm
The Circuit of the experimental two valve amplifier. Our contributor describes a simple audio amplifier which incorporates a number of unusual features, The voltage amplifier and phase-splitter uses an ECC83 and the output stage uses an ECC82 double triode. We present the unit as an experimental project for readers who are interested in somewhat unconventional circuits.
NP-100v12: DIY 12AU7 (ECC82) Tube / IRF510 MOSFET ...
https://diyaudioprojects.com/Solid/12AU7-IRF510-LM317-Headamp/
Circuit: 12AU7 (ECC82) / IRF510 Headphone Amp. The circuit consists of two stages: 1. a common cathode tube volt amp stage (gain), 2. a MOSFET source follower for current gain (with a LM317 voltage regulator IC configured as a constant current source).Since most headphones are less than 50 ohms a little current is necessary to run them efficiently.
The ’12AU7′ Tube - Effectrode
https://www.effectrode.com/knowledge-base/the-12au7-tube/
The ’12AU7′ Tube. The 12AU7 is a miniature medium-mu twin triode. This tube finds use as a phase-inverter/splitter in push-pull amplifier circuits in ac/dc radio equipment and in many diversified applications such as multivibrators or oscillators in industrial control devices. The tube is quite pokey and sections can even be connected in ...
12AU7 Tubes in Stock
http://www.audiotubes.com/12au7.htm
The 12AU7 can only be used in parallel filament circuits. Like the 12AX7, this is not a hassle since virtually all hi-fi tube amps are of the parallel filament design. RCA, GE, and Sylvania actually made most of these tubes, regardless of brand on the label.
DIY ECC802S (12AU7 / ECC82) Vacuum Tube SRPP …
https://diyaudioprojects.com/Tubes/ECC802S-ECC82-12AU7-Tube-SRPP-Preamp/
ECC802S (12AU7 / ECC82) SRPP Preamp Circuit Details. So let's get to the preamp project deatils. It has a reasonable input impedance of around 100 k-ohms and an output impedance of around 3 k-ohms. This is suitable for nearly all …
12AU7 / ECC82 Tubes - Tubes for Amps
https://www.tubesforamps.com/products/12au7-ecc82
12AU7 tube is a medium gain dual triode. Due to the combination of low grid-plate capacitance and medium gain, 12AU7 is well suited for use in audio voltage amplifier with an extended frequency range. ECC82 is the European numbering for the 12AU7 tube. ECC82 and 12AU7 are the same tubes. 12AU7 was very popular, and many variations were produced.
12AU7 Cathode Follower Preamp | diyAudio
https://www.diyaudio.com/community/threads/12au7-cathode-follower-preamp.338026/
The 12AU7 both shunts away the power supply ripple and the load-induced noise on the output. the only thing missing is the protection diode that should span from the 12AX7’s plate to the 12AU7’s cathode, which would limit the maximum positive grid-to-cathode voltage on the 12AU7 to less than 1V." I use one per channel in my phono amp •••
12AX7 vs 12AT7 vs 12AU7 Tube Shootout (Differences, …
https://producerhive.com/guitar-tech/12ax7-vs-12at7-vs-12au7-tubes/
Typically 12AU7 tubes are used in tube-driven effects within guitar amps (such as spring reverb or tremolo effects in Fender amps) and are commonly used in microphone preamps and tube microphones. While you can physically use a 12AU7 tube in place of a 12AX7 in a circuit, it’s not recommended to do.
www.thetubestore.com - 12AU7 / ECC82 Tube Types
https://www.thetubestore.com/preamp-tubes/12au7-ecc82-tube-types
12AU7 / ECC82 Tubes One of the most commonly found driver tubes found in push-pull tube audio power amplifiers is the 12AU7 tube. As well, this tube's low gain make it a great choice for tube preamps in hi-fi stereo systems...
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