The 12AU7 and its variants are miniature nine-pin (B9A base) medium-gain dual-triode vacuum tubes. It belongs to a large family of dual-triode vacuum tubes which share the same pinout …

One of the most commonly found driver tubes found in push-pull vacuum tube audio power amplifiers is the 12AU7 preamp tube. As well, this tube's low gain make it a great choice for …

The 12AU7 is probably the first Noval (B9A) tube ever, registered on October 18, 1946, in the Electron Tube Registration List, followed by the 2C51, registered on November 25, 1946. …

Tube Depot carries a selection of 12AU7 / ECC82 / CV4003 / 5814A Pre Amp Vacuum Tubes. New & NOS tubes from Tung-Sol, Electro-Harmonix, JJ & more!

The 12AU7 Preamp Vacuum Tube by Mullard is one of the most performance-driven ECC82/12AU7 reissue vacuum tubes, thanks to its minimal microphones and low noise. So in …

12AU7 USA made SELECTED tube, Premium industrial grade 12AU7 New Old Stock in whiteboxes. Excellent industrial grade made by RCA, GE, Tung Sol and Sylvania for critical …

The 12AU7 is a double triode with separate cathodes. An amplification factor of 17 is quoted. The 6C4 is half of the 12AU7. The side view of the anode shows the ridges pressed into the sheet …

In this article, we embark on a journey to unveil the finest 12AU7 ever made, delving into the timeless craftsmanship and mesmerizing soundscapes offered by these esteemed …

Mar 14, 2009 · Philips / Amperex/ Valvo ECC186 / 7316 : The Philips 7316 I think is the best all round 12AU7- superb natural refined sound, balanced, detailed, dynamic, effortless …

The Tungsol 12AU7W / 6189 is a brand new pre-amp tube that is made in Russia. It is a premium quality 12AU7 vacuum tube built to match the performance of the military/industrial original GE …