The TungSol / Tung-Sol 12AX7 Vacuum tube is
a miniature type used as a phase inverter or amplifier in
Russian AC/DC radio equipment and in many diversified
applications such a multivibrators or oscillators in
industrial control devices. It is also used in Preamp
Circuitry of Guitar Amplifiers and requires 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 .... 7025, 12DF7, 12DM7, ECC83
Substitutes .................................. 12AD7
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