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 ......................... 12DM4
Substitutes ................................... 12AX4 12DQ4
Source ........................................ Sylvania - 1959
Source ........................................ Sylvania - 1959
Glass octal type used as damper tube in horizontal-deflection circuits of television receivers. Requires octal socket.
Source ........................................ Sylvania - 1959
Socket terminals 1, 2, 4 and 6 should not be used as tie points. This tube, like other power-handling tubes, should be adequately ventilated.
Source ........................................ Sylvania - 1959
Bulb .......................................... T-9
Base Type ..................................... Intermediate Shell Octal 5 or 6-Pin
EIA Outline ................................... 9-11 9-41
EIA Base ...................................... 4CG
Cathode ....................................... Coated Unipotential
Mounting Position ............................. Any
Source ........................................ Sylvania - 1959
Heater Voltage ................................ 12.6 V
Heater Current ................................ 0.6 A
Source ........................................ Sylvania - 1959
For other characteristics and typical operation, see 6DA4
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
Wed, 29 Mar 2023 06:14:32 -0700