NJ7P SQL Tube Database Query

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12AH7GT
Medium-Mu Twin triode

EIA Base & Outline

EIA Base: 8BE
Source ........................................ RCA RC-15 - 1947

Application

Source ........................................ RCA RC-15 - 1947
Glass octal type used in audio amplifier in radio equipment. Requires octal socket.

Mechanical Data

Source ........................................ RCA RC-15 - 1947
Bulb .......................................... T-9
EIA Outline ................................... 9-7 ?
EIA Base ...................................... 8BE

Electrical Data

Source ........................................ RCA RC-15 - 1947
Heater Voltage ................................ 12.6 V
Heater Current ................................ 0.15 A

Characteristics and Typical Operation

Class A Amplifier
Source ........................................ RCA RC-15 - 1947
Plate Voltage ................................. 180 V
Grid No. 1 Voltage ............................ -6.5 V
Amplification Factor .......................... 16
Plate Resistance (approx) ..................... 8.4K Ω
Transconductance .............................. 1900 µMho
Plate Current ................................. 7.6 mA

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Sun, 05 Feb 2023 20:08:26 -0700