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Miniature type used as an output amplifier in radios with low B-plus voltage. Requires miniature 9-contact socket. This is a larger bulb which allows better heat dissipation.
Bulb .......................................... T-9 Special
Base Type ..................................... Same as Miniature Button 9-Pin Except for Bulb Diameter
EIA Outline ................................... 6-70
Maximum Diameter .............................. 1-1/8 In.
EIA Base ...................................... 9MQ
Cathode ....................................... Coated Unipotential
Mounting Position ............................. Any
Heater Voltage ................................ 50 V
Heater Current ................................ 0.15 A
For other characteristics and typical operation, see 7754
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 23:29:44 -0700