3A/109A
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ClassRepeater Triode
BaseAmerican 4-pin bayonet
Construction
Primary TypeTriode
EnvelopeGlass
SectionsSingle
Filament / Heater
MaterialOxide-coated
Absolute Maximum Ratings
Plate Voltage190 V
Audio Performance
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical | 130V | 500 | 12000 | 6 | - |
Application Notes
3A/109A is for replacement purposes only
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