Radio Valves

PM6 Azide Triode


The valve on the left is an early example, as can be seen by the white in-fill on the anode indication line. The one on the right is later and has no white in-fill. A power triode valve for audio output. 6 volt, 100 mA filament. Anode voltage 150 V, grid bias -9 V, mu 8 ra 3.55 kOhms. B4 base. Cost 15/- in 1931, equivalent to £117.00 today using average wages! This valve was no longer included in Mullard catalogues by 1934.

PDF Data Sheet

© Andy Cowley, 2005-2012     Home

This page last modified by AJC on Monday, 29-Mar-2010