The 6D2 is the Mazda equivalent of the Mullard EB91, and consists of two separate signal diodes in the envelope.The diodes were designed for vision and sound detection in television receivers. Additionally they are recommended for limiting and DC restoration.The 6D2 was used in the 1948 Murphy television receiver V114 as a frequency changer.
The heater wire has been coiled before coating in alumina.
The construction consists of the two small diodes with an electrostatic screen between. The lettering is Made in England and BVA.This thin glass tube envelope is 18 mm in diameter and, excluding the B7G base pins, is 46 mm tall.References: Data-sheet & 1040. Type 6D2 was first introduced in 1953. See also 1953 adverts. |
