Nostalgia Air: Tube Substitution for 6FX7

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Tube Substitutions for:
6FX7
Double Triode

Type	Substitutes	Base Diagram
6FX7		8LK
Web References	6FX7 (Toshiba) @ Franks Electron Tubes 6FX7 @ RadioMuseum.org

Type 6FX7
Double Triode

MECHANICAL DATA

Basing

8LK

ELECTRICAL DATA

HEATER CHARACTERISTICS

Heater Voltage	6.3	Volts
Heater Current		A