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Preferred Substitutes ......................... 6K7
Substitutes ................................... 6S7
Source ........................................ RCA RC-15 - 1947
Source ........................................ RCA RC-15 - 1947
Glass octal type used in rf and if stages of radio receivers employing avc. It is also used as a mixer in superhetrodyne circuits. Requires octal socket.
Source ........................................ RCA RC-15 - 1947
Bulb .......................................... ST-12
EIA Outline ................................... 12-4
EIA Base ...................................... 7R
Source ........................................ RCA RC-15 - 1947
Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.3 A
Pentode
Source ........................................ RCA RC-15 - 1947
Plate Voltage ................................. 300 V
Grid No. 2 Supply Voltage ..................... 300 V
Grid No. 2 Voltage ............................ 100 V
Positive Grid No. 1 Voltage ................... 0 V
Plate Dissipation ............................. 2.25 W
Grid No. 2 Dissipation ........................ 0.25 W
Class A Amplifier
Source ........................................ RCA RC-15 - 1947
Plate Voltage ................................. 250 V
Grid No. 2 Voltage ............................ 100 V
Grid No. 1 Voltage ............................ -3 V
Plate Resistance (approx) ..................... 800K Ω
Transconductance .............................. 1600 µ
Plate Current ................................. 8.2 mA
Grid No. 2 Current ............................ 2 mA
Class A Amplifier
Source ........................................ RCA RC-15 - 1947
Plate Voltage ................................. 100 V
Grid No. 2 Voltage ............................ 100 V
Grid No. 1 Voltage ............................ -3 V
Plate Resistance (approx) ..................... 250K Ω
Transconductance .............................. 1500 µ
Plate Current ................................. 8.0 mA
Grid No. 2 Current ............................ 2.2 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
Thu, 18 Aug 2022 01:31:30 -0700