Tube-number record
1644
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BrandRCA
ClassTwin-Pentode Power Amplifier
BaseOctal
Filament12.6 V @ 150 mA
Construction
Primary TypePentode
EnvelopeGT
Sections2
Filament / Heater
Absolute Maximum Ratings
Plate Voltage250 V
Plate Dissipation5 W
Grid 2 Voltage250 V
Audio Performance
Key Features
- Matched pentode units
- High sensitivity
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A (Per Section) | 250 V | 2100 | 100000 | — | 11 mA |
Application Notes
Specifically designed for applications requiring precise matching between the two pentode sections.
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