Dual Triode ~ Made in Russia
The Sovtek ( Sovteck ) 12AX7WA Vacuum tube is a miniature
type used as phase inverter or amplifier in
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. It requires a noval
9-contact socket.
This tube is also a main stay in many Guitar
and Bass Amplifiers.
These are nice military spec tubes!
They have Low noise and Long life. It is Great
for both modern and vintage amps alike. It is also the
most widely used 12AX7 in the world and is the main preamp
tube used in amplifiers like Carvin, Crate, Fender, Hartke, Orange, SLM
and Trace Elliot today.
Electrical Data:
Heater Voltage ........................ 6.3/12.6 V
Heater Current ........................ 0.3/0.15 A
Preferred Substitutes .... 7025, 12DF7, 12DM7, ECC83
Substitutes .................................. 12AD7
Click Here For INTERESTING TUBE FACTS
on 12AX7's