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 ......................... 6SK7
Substitutes ................................... 6AB7 6AC7 6AJ7
Source ........................................ ARRL HB - 1964
Source ........................................ ARRL HB - 1964
Bulb .......................................... T-9
EIA Outline ................................... 9-12
EIA Base ...................................... 8N
Source ........................................ ARRL HB - 1964
Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.3 A
Pentode
Source ........................................ ARRL HB - 1964
Input ......................................... 9 pf
Output ........................................ 7.5 pf
Grid to Plate ................................. 0.0035 pf
Class A Amplifier
Source ........................................ ARRL HB - 1964
Plate Voltage ................................. 250 V
Grid No. 2 Voltage ............................ 125 V
Grid No. 1 Voltage ............................ -2 V
Plate Resistance (approx) ..................... 700K Ω
Transconductance .............................. 4250 µ
Plate Current ................................. 9.5 mA
Grid No. 2 Current ............................ 3 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, 30 Jan 2023 01:59:11 -0700