Low Noise Pentode
The EF86 / 6267 Vacuum tube is a miniature type low
noise, low microphonic pentode used in the early stages
of high gain amplifiers. It requires a miniature
9-contact socket.
The EF86 / 6267 is a very high quality tube
and is excellent in high end audio equipment.
Electrical Data:
Heater Voltage ..................... 6.3 V
Heater Current ..................... 0.2 A
Preferred Substitutes .................. 6BK8, 6CF8, 6F22,
6j32p, 6267, CV2901, EF86, EF806S, Z729.