Sensibly equivalent¶ to:
275 675 6Z-DH3 A675 CV614 VT-75
The 75 is a double diode triode for superhet AM detection, AGC detection and first audio voltage amplifier.
The 75 has a 6.3 Volt heater and a UX6 base. The 2A6 has the same rating and base but a 2.5 Volt heater. The 6B6G is also the same basic valve but has an IO base.
The internal arrangement of the sections. The triode at the top and the two diodes in a screening box below the central mica.
The classic envelope is 39 mm in diameter, and excluding the UX6 base pins is 100 mm tall.
Reference: Data-sheet. Type 75 was first introduced in 1937. See also 1937 adverts.
Absolute Maximum Operating Conditions¶
Updated February 23, 2022.