The Realistic Lifetime Gold Pin 12AX7 Vacuum Tube was
actually manufactured by the Hitachi in Japan during the 1970's. It is a
miniature type 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 and general audio equipment.
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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