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Preferred Substitutes ......................... 7034/4X150A
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EIA Base ...................................... F75
EIA Base ...................................... F75
Heater Voltage ................................ 6 V
Heater Current ................................ 2.6 A
Heater Voltage ................................ 6 V
Heater Current ................................ 2.6 A
Tetrode
Input ......................................... 15.5 pf
Output ........................................ 4.5 pf
Grid to Plate ................................. 0.03 pf
Tetrode
Input ......................................... 16 pf
Output ........................................ 4.4 pf
Grid to Plate ................................. 0.03 pf
Tetrode
Plate Voltage ................................. 1250 V
Grid No. 2 Voltage ............................ 400 V
Plate Dissipation ............................. 150 W
Grid No. 2 Dissipation ........................ 12 W
Tetrode
Plate Voltage ................................. 2000 V
Grid No. 2 Voltage ............................ 300 V
Plate Dissipation ............................. 250 W
Grid No. 2 Dissipation ........................ 12 W
Class C Oscillator/Amplifier
Plate Voltage ................................. 1250 V
Grid No. 2 Voltage ............................ 250 V
Grid No. 1 Voltage ............................ -90 V
Grid No. 1 Current ............................ 10 mA
Plate Current ................................. 200 mA
Grid No. 2 Current ............................ 20 mA
Driving Power ................................. 0.8 W
Power Output (approx) ......................... 195 W
Class C Modulated Amplifier (Plate)
Plate Voltage ................................. 1000 V
Grid No. 2 Voltage ............................ 250 V
Grid No. 1 Voltage ............................ -105 V
Grid No. 1 Current ............................ 15 mA
Plate Current ................................. 200 mA
Grid No. 2 Current ............................ 20 mA
Driving Power ................................. 2 W
Power Output (approx) ......................... 140 W
Push Pull Class AB2 Amplifier
Plate Voltage ................................. 1250 V
Grid No. 2 Voltage ............................ 300 V
Grid No. 1 Voltage ............................ -44 V
Peak Grid No. 1 Voltage........................ 100 V
Plate Current ................................. 475 mA
Grid No. 2 Current (Zero Signal) .............. 0 mA
Grid No. 2 Current (Maximum Signal) ........... 65 mA
Driving Power ................................. 0.15 W
Load Resistance ............................... 5.6K Ω
Power Output (approx) ......................... 425 W
Class C Oscillator/Amplifier
Plate Voltage ................................. 2000 V
Grid No. 2 Voltage ............................ 250 V
Grid No. 1 Voltage ............................ -88 V
Grid No. 1 Current ............................ 8 mA
Plate Current ................................. 250 mA
Grid No. 2 Current ............................ 24 mA
Driving Power ................................. 2.5 W
Power Output (approx) ......................... 370 W
Class C Modulated Amplifier (Plate)
Plate Voltage ................................. 1600 V
Grid No. 2 Voltage ............................ 250 V
Grid No. 1 Voltage ............................ -118 V
Grid No. 1 Current ............................ 5 mA
Plate Current ................................. 200 mA
Grid No. 2 Current ............................ 23 mA
Driving Power ................................. 3 W
Power Output (approx) ......................... 230 W
Push Pull Class AB2 Amplifier
Plate Voltage ................................. 2000 V
Grid No. 2 Voltage ............................ 300 V
Grid No. 1 Voltage ............................ -50 V
Peak Grid No. 1 Voltage........................ 106 V
Plate Current (Zero Signal) ................... 100 mA
Plate Current (Maximum Signal) ................ 500 mA
Grid No. 2 Current (Zero Signal) .............. 0 mA
Grid No. 2 Current (Maximum Signal) ........... 36 mA
Driving Power ................................. 0.2 W
Load Resistance ............................... 8.1K Ω
Power Output (approx) ......................... 630 W
Push Pull Class AB1 Amplifier
Plate Voltage ................................. 2000 V
Grid No. 2 Voltage ............................ 300 V
Grid No. 1 Voltage ............................ -50 V
Peak Grid No. 1 Voltage........................ 100 V
Plate Current (Zero Signal) ................... 100 mA
Plate Current (Maximum Signal) ................ 470 mA
Grid No. 2 Current (Zero Signal) .............. 0 mA
Grid No. 2 Current (Maximum Signal) ........... 36 mA
Driving Power ................................. 0 W
Load Resistance ............................... 8.76K Ω
Power Output (approx) ......................... 580 W
Class AB1 Amplifier
Plate Voltage ................................. 1000 V
Grid No. 2 Voltage ............................ 300 V
Grid No. 1 Voltage ............................ -50 V
Peak Grid No. 1 Voltage........................ 50 V
Plate Current (Zero Signal) ................... 50 mA
Plate Current (Maximum Signal) ................ 225 mA
Grid No. 2 Current (Zero Signal) .............. 0 mA
Grid No. 2 Current (Maximum Signal) ........... 11 mA
Driving Power ................................. 0 W
Power Output (approx) ......................... 115 W
Class AB1 Amplifier
Plate Voltage ................................. 1500 V
Grid No. 2 Voltage ............................ 300 V
Grid No. 1 Voltage ............................ -50 V
Peak Grid No. 1 Voltage........................ 50 V
Plate Current (Zero Signal) ................... 50 mA
Plate Current (Maximum Signal) ................ 225 mA
Grid No. 2 Current (Zero Signal) .............. 0 mA
Grid No. 2 Current (Maximum Signal) ........... 11 mA
Driving Power ................................. 0 W
Power Output (approx) ......................... 200 W
Class AB1 Amplifier
Plate Voltage ................................. 2000 V
Grid No. 2 Voltage ............................ 300 V
Grid No. 1 Voltage ............................ -50 V
Peak Grid No. 1 Voltage........................ 50 V
Plate Current (Zero Signal) ................... 50 mA
Plate Current (Maximum Signal) ................ 225 mA
Grid No. 2 Current (Zero Signal) .............. 0 mA
Grid No. 2 Current (Maximum Signal) ........... 11 mA
Driving Power ................................. 0 W
Power Output (approx) ......................... 250 W
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, 30 Jun 2022 16:19:50 -0700