Sensibly equivalent¶ to:
The X79 is a triode hexode frequency changer or mixer. The triode control grid is connected internally to the oscillator injection grid (g3) of the hexode.
The Osram brand label of the M-OV company.
The thin glass tube envelope is 21 mm in diameter, and excluding the B9A base pins is 48 mm tall.
References: Datasheet & 1040. Type X79 was first introduced in 1950.
Absolute Maximum Operating Conditions¶
Updated June 25, 2013. shape:thin.glass.tube construction:all.glass type:triode.hexode age:1950.1960 base:b9a heater:6.3v pins:9 pin:1.g2.g4 pin:2.g1 pin:3.k pin:4.h pin:5.h pin:6.a(h) pin:7.g1(t).g3 pin:8.a(t) pin:9.ic