Medium-Mu Twin Triode
The 5670 Gray plate vacuum tube is a high-frequency double triode using the 9-pin
miniature construction. It may be used as an amplifier, mixer, oscillator or multivibrator over a
frequency range AF through VHF.
It is designed for reliable life under conditions of intermittent operation. Thw 5670 tube is called a
special 2C51.
Electrical Data:
Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.35 A
Preferred Substitutes ................................. 2C51, 396A, CK5670, GB5670, GL5670