The 7025 Vacuum tube is a miniature type
used as a phase inverter or
resistance-coupled amplifier in high-quality,
high-fidelity audio amplifiers. It 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 .... 12AX7, 7025, ECC83, 12AX7A,
12AX7EH, 12AX7R, 12AX7WA, 12AX7WB, 12DF7 12DM7
Substitutes ................................... 12AD7
Electrical Data
Heater Voltage ................................ 6.3/12.6 V
Heater Current ................................ 0.3/0.15 A
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