12AT7 PDF – Triode Vacuum Tube

Part Number : 12AT7

Function : Triode Vacuum Tube, Receiving Valve

Package : 9 Pin Type

Manufactures : BRIMAR

Images :

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12AT7 image

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pinout

Description :

12AT7 (also known in Europe by the Mullard–Philips tube designation of ECC81) is a miniature 9-pin medium-gain (60) dual-triode vacuum tube popular in guitar amplifiers. 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.

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image

12AT7 Datasheet

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