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Tube Substitutions for:
6F4
High-Frequency Triode (Acorn)
Type
Substitutes
Base Diagram
6F4
6L4
,
6L4
Web References
6F4 (RCA (HB3)) @ Franks Electron Tubes
6F4 @ RadioMuseum.org
Type
6F4
High-Frequency Triode (Acorn)
MECHANICAL DATA
Basing
7BR
ELECTRICAL DATA
HEATER CHARACTERISTICS
Heater Voltage
6.3
Volts
Heater Current
0.225
A
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