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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Source ........................................ GE - 1973
Bulb .......................................... T-12
EIA Outline ................................... 12-51
EIA Base ...................................... 8JX
Source ........................................ GE - 1973
Heater Voltage ................................ 6.3 V
Heater Current ................................ 1.2 A
Pentode
Source ........................................ GE - 1973
Plate Voltage ................................. 770 V
Grid No. 2 Voltage ............................ 220 V
Plate Dissipation ............................. 17.5 W
Grid No. 2 Dissipation ........................ 4.5 W
Class A Amplifier
Source ........................................ GE - 1973
Plate Voltage ................................. 250 V
Grid No. 2 Voltage ............................ 150 V
Grid No. 1 Voltage ............................ -22.5 V
Plate Resistance (approx) ..................... 6600 Ω
Plate Current ................................. 75 mA
Grid No. 2 Current ............................ 2.4 mA
Horiz Defl Amplifier
Source ........................................ GE - 1973
DC Plate Supply Voltage ....................... 250 V
Peak Negative-Pulse Plate Voltage ............. 150 V
DC Grid No. 3 Voltage ......................... 6500 V
DC Grid No. 2 Voltage ......................... -22.5 V
Peak Negative-Pulse Grid No. 1 Voltage ........ 75 V
Average Cathode Current ....................... 175 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
Tue, 28 Mar 2023 23:14:29 -0700