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Tube Substitutions for:
OM4
Double Diode-Triode
Type
Substitutes
Base Diagram
OM4
6R7
,
6R7GT
,
6R7GT/G
,
6R7G
Web References
OM4 @ RadioMuseum.org
Type
OM4
Double Diode-Triode
MECHANICAL DATA
Basing
7V
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