Note: Please do not link down into my pages. I change this directory structure often and your links will not work correctly.
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Substitutes ................................... 6EH7 6EJ7
Source ........................................ GE - 1973
Source ........................................ GE - 1973
Bulb .......................................... T-6 1/2
Base Type ..................................... Miniature Button 9-Pin
Maximum Overall Height ........................ 2.406 In.
Maximum Seated Height ......................... 2.156 In.
Maximum Diameter .............................. 0.875 In.
EIA Base ...................................... 9AQ
Source ........................................ GE - 1973
Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.3 A
Pentode
Source ........................................ GE - 1973
Input ......................................... 8.5 pf
Output ........................................ 3.3 pf
Grid to Plate ................................. 0.005 pf
Pentode
Source ........................................ GE - 1973
Plate Voltage ................................. 330 V
Grid No. 2 Voltage ............................ 330 V
Plate Dissipation ............................. 2.8 W
Grid No. 2 Dissipation ........................ 1.1 W
Class A Amplifier
Source ........................................ GE - 1973
Plate Voltage ................................. 135 V
Grid No. 2 Voltage ............................ 135 V
Grid No. 1 Voltage Derived from
Cathode Bias Resistor ...................... 82 Ω
Plate Resistance (approx) ..................... 275K Ω
Transconductance .............................. 9500 µ
Plate Current ................................. 7.0 mA
Grid No. 2 Current ............................ 3.5 mA
If you are uncertain about the EIA designator for a particular tube please use the "Index" button to list all the tubes in the database. You can click on the designator for the closest tube.
(c) 1994-2021 by William A. Beech, NJ7P
Thu, 02 Feb 2023 11:24:49 -0700