NJ7P SQL Tube Database Query

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6AK7
Power Amplifier Pentode

EIA Base & Outline

EIA Base: 8YEIA Bulb: 8-6

Substitute Data

Preferred Substitutes ......................... 6AG7
Source ........................................ GE - 1973

Mechanical Data

Source ........................................ GE - 1973
Bulb .......................................... MT-8
EIA Outline ................................... 8-6
EIA Base ...................................... 8Y

Electrical Data

Source ........................................ GE - 1973
Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.65 A

Direct Interelectrode Capacitances (approx)

Pentode
Source ........................................ GE - 1973
Input ......................................... 13 pf
Output ........................................ 7.5 pf
Grid to Plate ................................. 0.06 pf

Maximum Ratings (Design Center Values)

Pentode
Source ........................................ GE - 1973
Plate Voltage ................................. 300 V
Grid No. 2 Voltage ............................ 300 V
Plate Dissipation ............................. 9.0 W
Grid No. 2 Dissipation ........................ 1.5 W

Characteristics and Typical Operation

Class A Amplifier
Source ........................................ GE - 1973
Plate Voltage ................................. 300 V
Grid No. 2 Voltage ............................ 150 V
Grid No. 1 Voltage ............................ -3.0 V
Plate Resistance (approx) ..................... 130K Ω
Transconductance .............................. 11000 µMho
Plate Current ................................. 30 mA
Grid No. 2 Current ............................ 7.0 mA
Load Resistance ............................... 10K Ω
Power Output (approx) ......................... 3 W

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Wed, 29 Mar 2023 06:32:56 -0700