12AU7 - Wikipedia
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 …
12AU7 / ECC82 / 5814 / 6189 Vacuum Tubes | thetubestore.com
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 …
What’s the Best 12AU7 Tube for Audio? (Reviews-2026)
A medium-gain dual/single triode with the lowest gain factor amongst all commonly used preamplifier tubes, the 12AU7 has several names for identical variants. 12AU7 is used for this …
12AU7, Tube 12AU7; Röhre 12AU7 ID3585, Double Triode ...
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. …
Chassis & Enclosures | TubeDepot.com
Tube Depot carries a selection of 12AU7 / ECC82 / CV4003 / 5814A Pre Amp Vacuum Tubes. New & NOS tubes from Tung-Sol, Electro-Harmonix, JJ & more!
12AU7 @ The Valve Museum
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 …
12AU7 Tubes in Stock
This page lists all of the 12AU7 tubes I currently have in stock, including all industrial and European versions. It is a long page, use your scroll button and scroll down the page to see it all.