Tube-number record
DUAL PENTODE COMPACTRON
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BrandTUNG-SOL
ClassReceiving Tube
BaseCompactron
Filament6.3 V @ 0.83 mA
Construction
Primary TypePentode
EnvelopeT-9 Glass
Base MaterialButton 12-pin
Sections2
Filament / Heater
Heater NotesLimits of applied voltage: 6.3 +/- 0.6 Volts
Absolute Maximum Ratings
Plate Voltage300 V
Plate Dissipation4.8 W
Grid 2 Voltage300 V
Cathode Current30 mA
H-C Voltage200 V
Audio Performance
Typical THD10%
Power Output1.8 W
Key Features
- Coated Unipotential Cathode
- Any Mounting Position
- Dual Dissimilar Pentodes
- Section 1 Power Pentode
- Section 2 Dual Control Pentode
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Section 1 Average Characteristics | 250 V | 8400 | 150000 | — | 16 mA |
| Section 2 Average Characteristics | 150 V | 3700 | 140000 | — | 3.7 mA |
| Section 1 Class A1 Power Amplifier | 250 V | — | — | — |
Application Notes
Section 1 is a power pentode for audio application. Section 2 is a dual control pentode intended for use as FM detector in TV circuits.
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