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Tube Substitutions for:
12AD7
Dual High-Mu Triode
TypeSubstitutesBase Diagram
12AD712AX7*, 12DF7*, 12BZ7*, 12AX7A*, 12DM7*, 12DT7*, 7025*, 7025A*
Notes:* - Parallel filaments
Web References12AD7 (Sylvania) @ Franks Electron Tubes
12AD7 @ RadioMuseum.org


Type 12AD7
Dual High-Mu Triode



MECHANICAL DATA

Basing9A


ELECTRICAL DATA


HEATER CHARACTERISTICS
Heater Voltage12.6/6.3Volts
Heater Current0.225/0.45A


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