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Tube Substitutions for:
57A
Sharp Cutoff Pentode
Type
Substitutes
Base Diagram
57A
57AS
,
6C6*
,
77*
Notes:
* - Parallel filaments
Web References
57A @ RadioMuseum.org
Type
57A
Sharp Cutoff Pentode
MECHANICAL DATA
Basing
6F
ELECTRICAL DATA
HEATER CHARACTERISTICS
Heater Voltage
6.3
Volts
Heater Current
0.4
A
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