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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Preferred Substitutes ......................... 6JT8
Substitutes ................................... 6EB8 6GN8 6HF8 6JE8 6JT8 6LY8
Bulb .......................................... T-9
EIA Outline ................................... 9-69
EIA Base ...................................... 9DX
Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.725 A
Triode Class A Amplifier
Plate Voltage ................................. 125 V
Grid No. 1 Voltage Derived from
Cathode Bias Resistor ...................... 68 Ω
Plate Resistance (approx) ..................... 6000 Ω
Transconductance .............................. 5000 µ
Plate Current ................................. 13 mA
Pentode Class A Amplifier
Plate Voltage ................................. 200 V
Grid No. 2 Voltage ............................ 100 V
Grid No. 1 Voltage Derived from
Cathode Bias Resistor ...................... 82 Ω
Plate Resistance (approx) ..................... 50K Ω
Transconductance .............................. 20K µ
Plate Current ................................. 17 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
Tue, 31 Jan 2023 10:26:20 -0700