Medium-Mu Twin Triode
The 12AY7 Vacuum tube is a miniature type used in first
stages of high-gain audio-frequency amplifiers. It
requires a miniature 9-contact socket.
Electrical Data:
Heater Voltage ........................... 6.3/12.6 V
VHeater Current .......................... 0.3/0.15 A
Preferred Substitutes ................ 12AX7,
12BZ7, 6072, 6072A
Substitutes .......................... 12AD7, 12DF7,
12DM7, 12DT7, 12DW7