This listing features a vintage Tronix E180F high-transconductance pentode. Known for its mechanical reliability and electrical precision, this valve utilizes a Black Plate and Top Ring Getter construction to provide stable, low-noise performance in critical audio applications.

This component has been thoroughly analyzed on the Amplitrex AT1000 digital tester. Using our Percentage Method, the test results below indicate the tube’s performance against the 100% factory design-center specifications (Ip = 13.0mA / Gm = 16500 µMhos).