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Tube Substitutions for:
57
Sharp Cutoff Pentode
Type
Substitutes
Base Diagram
57
58
,
57S
Web References
57 (RCA) @ Franks Electron Tubes
57 (Sylvania) @ Franks Electron Tubes
57 (Tung-Sol) @ Franks Electron Tubes
57 @ RadioMuseum.org
Type
57
Sharp Cutoff Pentode
MECHANICAL DATA
Basing
6F
ELECTRICAL DATA
HEATER CHARACTERISTICS
Heater Voltage
2.5
Volts
Heater Current
1
A
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