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Preferred Substitutes ......................... 1Q5
Substitutes ................................... 1A6
Source ........................................ RCA RC-15 - 1947
Source ........................................ RCA RC-15 - 1947
Glass octal type used in output stage of battery-operated receivers. Tube requires octal socket.
Source ........................................ RCA RC-15 - 1947
Bulb .......................................... T-9
Base Type ..................................... Octal
EIA Outline ................................... 9-11
EIA Base ...................................... 6X
Source ........................................ RCA RC-15 - 1947
Filament Voltage .............................. 1.4 DC V
Filament Current .............................. 0.1 A
Pentode
Source ........................................ RCA RC-15 - 1947
Plate Voltage ................................. 110 V
Grid No. 2 Voltage ............................ 110 V
Cathode Current ............................... 12 mA
Class A Amplifier
Source ........................................ RCA RC-15 - 1947
Plate Voltage ................................. 90 V
Grid No. 2 Voltage ............................ 90 V
Grid No. 1 Voltage ............................ -7.5 V
Peak Grid No. 1 Voltage........................ 7.5 V
Plate Resistance (approx) ..................... 115K Ω
Transconductance .............................. 1550 µ
Plate Current (Zero Signal) ................... 7.5 mA
Plate Current (Maximum Signal) ................ 7.8 mA
Grid No. 2 Current (Zero Signal) .............. 1.6 mA
Grid No. 2 Current (Maximum Signal) ........... 3.5 mA
Load Resistance ............................... 8K Ω
Power Output (approx) ......................... 0.24 W
Total Harmonic Distortion ..................... 10 %
Class A Amplifier
Source ........................................ RCA RC-15 - 1947
Plate Voltage ................................. 83 V
Grid No. 2 Voltage ............................ 83 V
Grid No. 1 Voltage ............................ -7.0 V
Peak Grid No. 1 Voltage........................ 7.0 V
Plate Resistance (approx) ..................... 110K Ω
Transconductance .............................. 1500 µ
Plate Current (Zero Signal) ................... 7.0 mA
Plate Current (Maximum Signal) ................ 7.3 mA
Grid No. 2 Current (Zero Signal) .............. 1.6 mA
Grid No. 2 Current (Maximum Signal) ........... 3.5 mA
Load Resistance ............................... 9K Ω
Power Output (approx) ......................... 0.2 W
Total Harmonic Distortion ..................... 10 %
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
Mon, 30 Jan 2023 00:31:17 -0700