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BrandCBS
ClassTriple Triode
BaseE12-66
Filament6.3V @ 450mA
Construction
Primary TypeTriple Triode
EnvelopeT-7 1/2
Sections3
Filament / Heater
Heater NotesContinuous-wound coil heater
Absolute Maximum Ratings
Plate Voltage330 V
Plate Dissipation3 W
Cathode Current20 mA
H-C Voltage200 V
Audio Performance
Key Features
- Continuous-wound coil heater
- Gold plated base pins
- High reliability
- 1000-hour life test
- 5000-hour informational life test
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A Amplifier | 100V | 3100 | 6500 | 20 | 11.8mA |
| Class A Amplifier | 250V | 2200 | 7700 | 17 | 10.5mA |
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