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Tube Substitutions for:
5639A
Semiremote-Cutoff Pentode
Type | Substitutes | Base Diagram |
5639A | 5639WA | 8DL |
Type 5639A
Semiremote-Cutoff Pentode
MECHANICAL DATA
ELECTRICAL DATA
HEATER CHARACTERISTICS
Heater Voltage | 6.3 | Volts |
Heater Current | 0.45 | A |
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