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Preferred Substitutes ......................... 14S7
Source ........................................ RCA RC-15 - 1947
Glass lock-in type used as combined triode oscillator and heptode mixer in ac/dc radio receivers. Requires lock-in socket.
Bulb .......................................... T-9
Base Type ..................................... Lock-in 8-Pin
EIA Outline ................................... 9-30
EIA Base ...................................... 8BL
Heater Voltage ................................ 12.6 V
Heater Current ................................ 0.15 A
For other characteristics and typical operation, see 7J7
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
Fri, 19 Aug 2022 07:14:06 -0700