Note: Please do not link down into my pages. I change this directory structure often and your links will not work correctly.
![]() | ![]() |
Preferred Substitutes ......................... 6GX7 6HJ7
Substitutes ................................... 6HD7 6HB7
Source ........................................ GE - 1973
Source ........................................ GE - 1973
Bulb .......................................... T-6 1/2
EIA Outline ................................... 6-2
EIA Base ...................................... 9QA
Source ........................................ GE - 1973
Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.45 A
Pentode
Source ........................................ GE - 1973
Plate Voltage ................................. 275 V
Grid No. 2 Voltage ............................ 3.5 V
Plate Dissipation ............................. 2.2 W
Grid No. 2 Dissipation ........................ 275 W
Triode
Source ........................................ GE - 1973
Plate Voltage ................................. 275 V
Plate Dissipation ............................. 1.5 W
Triode Class A Amplifier
Source ........................................ GE - 1973
Plate Voltage ................................. 125 V
Grid No. 1 Voltage ............................ -1 V
Transconductance .............................. 9500 µ
Plate Current ................................. 19 mA
Pentode Class A Amplifier
Source ........................................ GE - 1973
Plate Voltage ................................. 125 V
Grid No. 2 Voltage ............................ 125 V
Grid No. 1 Voltage ............................ -1 V
Transconductance .............................. 7000 µ
Plate Current ................................. 12 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
Mon, 06 Feb 2023 18:32:51 -0700