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Tube Substitutions for:
1H33
Pentagrid
Type
Substitutes
Base Diagram
1H33
1R5*
,
1R5SF
,
1AQ5
Notes:
* - Parallel filaments
Web References
1H33 (Tesla) @ Franks Electron Tubes
1H33 @ RadioMuseum.org
Type
1H33
Pentagrid
MECHANICAL DATA
Basing
7AT
ELECTRICAL DATA
HEATER CHARACTERISTICS
Heater Voltage
1.4
Volts
Heater Current
0.025
A
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