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 ......................... 12B7
Source ........................................ RCA RC-15 - 1947
Glass lock-in type used as rf or if amplifier in ac/dc radio receivers. Requires lock-in socket. Except for heater rating and capacitances, it is identical to 6SK7.
Bulb .......................................... T-9
Base Type ..................................... Lock-in 8-Pin
EIA Outline ................................... 9-30
EIA Base ...................................... 8V
Mounting Position ............................. Any
Heater Voltage ................................ 12.6 V
Heater Current ................................ 0.15 A
Class A Amplifier
Plate Voltage ................................. 250 V
Grid No. 2 Voltage ............................ 100 V
Grid No. 1 Voltage ............................ -3 V
Plate Current ................................. 9.2 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
Wed, 29 Mar 2023 02:58:52 -0700