NJ7P SQL Tube Database Query

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7025
High-Mu Twin Triode

EIA Base & Outline

EIA Base: 9AEIA Bulb: 6-2

Substitute Data

Preferred Substitutes ......................... 12DF7 12DM7
Substitutes ................................... 12AD7
Source ........................................ RCA RC-29 - 1975

Application

Miniature type used as pahse inverter or resistance-coupled amplifier in high-quality, high-fidelity audio amplifiers. Requires miniature 9-contact socket.

This type is identical to type 12AX7A except that it has a controlled equivalent noise and hum characteristic.

Mechanical Data

Bulb .......................................... T-6 1/2
Base Type ..................................... Small Button 9-Pin
EIA Outline ................................... 6-2
EIA Base ...................................... 9A
Cathode ....................................... Coated Unipotential
Mounting Position ............................. Any

Electrical Data

Heater Voltage ................................ 6.3/12.6 V
Heater Current ................................ 0.3/0.15 A

For other characteristics and typical operation, see 12AX7A

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Mon, 27 Jun 2022 07:55:50 -0700