High-Mu Twin Triode * * * * *
This is a low quality tube. It is a good tube for those who don't have a lot of money to spend
on an amplifier or radio. The price is definitely Right!
The 12AX7 Vacuum Tube 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. This particular tube is manufactured in China.
They require a noval 9-contact socket. This
tube is also used 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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