Summary

Tetrode- diode; the diode in this valve was designed for use as the signal detector and the tetrode section was designed for use as the I.F. amplifier in radio receivers but was frequently used as a resistance coupled audio stage following the detector. 4.0 volt indirectly heated cathode.

Manufacturer: Philips, Holland

Physical Description

Base type: American style No. of pins in base: 6 Bulb shape: conical Bulb material: glass - gold coloured coating on glass envelope. Screw terminal top cap

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