12DB5
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BrandRCA
ClassBeam Power Tube
Base9-Pin Miniature Noval
Filament12.6V @ 0.6mA
Construction
Primary TypeBeam Power Tube
EnvelopeT6-1/2
SectionsSingle
Filament / Heater
Heater NotesControlled warm-up time for series heater-string arrangement
Absolute Maximum Ratings
Plate Voltage300 V
Plate Dissipation10 W
Grid 2 Voltage150 V
Cathode Current200 mA
H-C Voltage200 V
Audio Performance
Typical THD10%
Power Output3.8 W
Key Features
- 9-Pin Miniature Type
- Controlled Warm-Up Time
- Intended for series heater-string arrangement
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A Amplifier (Condition 1) | 110V | 8000 | 13000 | - | 49mA |
| Class A Amplifier (Condition 2) | 200V | 8000 | 28000 | - | 46mA |
Application Notes
Intended for use in equipment having series heater-string arrangement; also suitable as a vertical-deflection amplifier in TV receivers.
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