12BK6
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BrandSylvania
ClassDouble-Diode Triode
Base7-pin miniature button
Filament12.6V @ 150mA
Construction
Primary TypeTriode
EnvelopeT-5 1/2
SectionsDouble-Diode Triode
Filament / Heater
Heater Notesac or dc
Absolute Maximum Ratings
Plate Voltage300 V
H-C Voltage90 V
Audio Performance
Key Features
- Miniature
- Coated, unipotential cathode
- Any mounting position
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| - | 100V | 1250 | 80900 | 100 | 0.5mA |
| - | 250V | 1600 | 62500 | 100 | 1.2mA |
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