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12AU7 is also known in Europe under its Mullard–Philips tube designation ECC82. [1] There are many equivalent tubes with different names, some identical, some designed for ruggedness, long life, or other characteristics; examples are the US military 5814A and the European special-quality ECC82 and E182CC.
It belongs to a large family of dual triode vacuum tubes which share the same pinout (EIA 9A), including in particular the very commonly used low-mu 12AU7 and high-mu 12AX7. The 12AT7 has somewhat lower voltage gain than the 12AX7, but higher transconductance and plate current, which makes it suitable for high-frequency applications.
12AX7 (also known as ECC83 [1]) is a miniature dual-triode vacuum tube with high voltage gain.Developed around 1946 by RCA engineers [2] in Camden, New Jersey, under developmental number A-4522, it was released for public sale under the 12AX7 identifier on September 15, 1947.
Editor's note: This page reflects news from Friday, Jan. 31. For the latest updates on the plane crash, please read USA TODAY's coverage of the investigation on Saturday, Feb. 1.. WASHINGTON ...
On June 30, 2014, he was appointed Fiscal Assistant Secretary, the Department of the Treasury's most senior career position. [2] [4] In this role, he was responsible for developing policy and overseeing the financial infrastructure of the federal government, including payments, collections, debt financing, cash management, reporting and accounting, delinquent debt collection, and shared services.
“There will never be a replacement for Angel Food brand vanilla ice cream made by Klinke Brothers in Memphis,” says Copy Chief Libby Minor. “Every time my family drove by the factory, which ...
Does anyone know which manufacturer of this tube makes the most reliable 12AU7 (or whether they're pretty much the same). I need to replace two tubes on a Fender Cyber Twin Amplifier. This is an encyclopedia not an information bureau. 86.153.28.34 13:53, 16 October 2014 (UTC)
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