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Tube Substitutions for:
4HK5
High-Mu Triode
Type
Substitutes
Base Diagram
4HK5
4HA5
,
4HQ5
,
4HM5
,
4HQ5
Web References
4HK5 (Sylvania) @ Franks Electron Tubes
4HK5 @ RadioMuseum.org
Type
4HK5
High-Mu Triode
MECHANICAL DATA
Basing
7GM
ELECTRICAL DATA
HEATER CHARACTERISTICS
Heater Voltage
4.2
Volts
Heater Current
0.3
A
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