Sensibly equivalent¶ to:
The L63 is an octal based general purpose amplifier triode. It is a low impedance device and often used at audio frequencies.
The exhibit carries no explicit branding but the shape and design of the lettering match the M-OV style a similar presentation can be seen on L63.
The classic envelope is 38 mm in diameter and, excluding the IO base pins, is 85 mm tall.
References: Datasheet & 1040. Type L63 was first introduced in 1938.
Absolute Maximum Operating Conditions¶
Updated October 02, 2015. shape:classic construction:pinch type:triode age:1930.1940 base:io heater:6.3v pins:8 pin:1.m pin:2.h pin:3.a pin:4.- pin:5.g1 pin:6.- pin:7.h pin:8.k