Tube-number record
5920
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BrandAmperex Electronic Corporation
ClassTwin-triode amplifier
BaseMiniature 7-pin (B7G)
Filament6.3 V @ 0.4 mA
Construction
Primary TypeDual triode
EnvelopeT 5 1/2
Sections2
Filament / Heater
Heater NotesAC or DC
Absolute Maximum Ratings
Plate Voltage150 V
Plate Dissipation1.5 W
Cathode Current20 mA
H-C Voltage200 V
Audio Performance
Key Features
- Ruggedized / Long life
- Guaranteed 10,000 hours average life
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Each section | 100 V | 5500 | — | — | 8.5 mA |
| Operating conditions | 150 V | — | 20000 | — | 4.5 mA |
Application Notes
Twin-triode amplifier with common cathode for both sections.
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