The highly prized and rare collectible Curtis Mathes 12AX7
Vacuum Tube is a miniature type used in Curtis Mathes
Television sets. This tube is also used as a phase
inverter or amplifier in AC/DC radio equipment and in many
diversified applications such a multivibrators or
oscillators in industrial control devices. They require a
noval 9-contact socket.
This tube is also a main stay in many
Guitar and Bass Amplifiers.
Electrical Data:
Heater Voltage ........................ 6.3/12.6 V
Heater Current ........................ 0.3/0.15 A
Preferred Substitutes ............ 12DF7 12DM7 ECC83
Substitutes .................................. 12AD7
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