Sensibly equivalent¶ to:
The CV4013 is a rugged special quality double triode with a commercial designation of 5670. Applications include: mixers, oscillators and amplifiers operating to VHF. Also for use in multivibrators, synchronising amplifiers and industrial control. For airborne use it was certified up to 80,000 feet. It additionally had low microphany.
The thin glass tube envelope is 20 mm in diameter, and excluding the B9A base pins is 35 mm tall.
Reference: Data-sheet. Type CV4013 was first introduced in 1956.
Absolute Maximum Operating Conditions¶
Updated November 09, 2013. shape:thin.glass.tube construction:all.glass type:double.triode age:1960.1975 base:b9a heater:6.3v pins:9 pin:1.h pin:2.k pin:3.g1 pin:4.a pin:5.s pin:6.a pin:7.g1 pin:8.k pin:9.h