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Tube Substitutions for:
HBC90
Double Diode-Triode

Type	Substitutes	Base Diagram
HBC90	12AT6A, 12AV6, 12AV6A, 12BK6, 12AT6
Web References	HBC90 @ RadioMuseum.org

Type HBC90
Double Diode-Triode


MECHANICAL DATA

Basing

7BT

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