The 7025 / 12AX7 is a miniature type used as phase inverter or
resistance-coupled amplifier in high-quality,
high-fidelity audio amplifiers. Requires a miniature
9-contact socket. This type is identical to type
12AX7A except that it has a controlled equivalent
noise and hum characteristic. This tube is also a main
stay in many Guitar and Bass Amplifiers.
Preferred Substitutes ........... 12DF7 12DM7
Substitutes ........................... 12AD7
Electrical Data
Heater Voltage ................................ 6.3/12.6 V
Heater Current ................................ 0.3/0.15 A
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on 12AX7's
Regular Retail Price $ 20.00