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Glass lock-in type used as output amplifier in ac/dc radio receivers. Requires lock-in socket.
Bulb .......................................... T-9
Base Type ..................................... Lock-in 8-Pin
EIA Outline ................................... 9-30
EIA Base ...................................... 6AA
Heater Voltage ................................ 12.6 V
Heater Current ................................ 0.15 A
Class A Amplifier
Plate Voltage ................................. 250 V
Grid No. 2 Voltage ............................ 250 V
Grid No. 1 Voltage ............................ -12.5 V
Plate Resistance (approx) ..................... 70K Ω
Transconductance .............................. 3000 µ
Plate Current (Zero Signal) ................... 30 mA
Plate Current (Maximum Signal) ................ 32 mA
Grid No. 2 Current (Zero Signal) .............. 3.5 mA
Grid No. 2 Current (Maximum Signal) ........... 5.0 mA
Load Resistance ............................... 7.5K Ω
Power Output (approx) ......................... 2.8 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 23:06:21 -0700