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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Bulb .......................................... ST-12
Base Type ..................................... Octal
EIA Outline ................................... 12-8
EIA Base ...................................... 8C
Filament Voltage .............................. 2.0 DC V
Filament Current .............................. 0.24 A
Class A Amplifier
Plate Voltage ................................. 135 V
Grid No. 2 Voltage ............................ 135 V
Grid No. 1 Voltage ............................ -7.5 V
Plate Current ................................. 10.5 mA
Grid No. 2 Current ............................ 3.5 mA
Load Resistance ............................... 24K Ω
Power Output (approx) ......................... 0.575 W
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
Sat, 02 Jul 2022 07:36:16 -0700