High-Mu Twin Triode
The Sylvania 6AQ8 / ECC85 Vacuum tube is a miniature
type used as a RF amplifier and self-oscillationg mixer
in FM/AM radio receivers. They are also used in Preamp
circuitry. It requires a miniature 9-contact socket.
Electrical Data:
Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.435 A
Preferred Substitutes ........ 6BK7, 6DT8, 6EV7, ECC85
Substitutes ......................... 6BC8, 6BQ7, 6BZ7