7313
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BrandBendix
ClassReceiving Tube
BaseSeven-pin miniature
Filament6.3V @ 1550mA
Construction
Primary TypeHalf-wave rectifier
Rectifier TypeHalf-wave
EnvelopeMetal-ceramic
Base MaterialCeramic
Sections1
Filament / Heater
Warm-up Time45s
Heater NotesIndirectly heated unipotential cathode
Absolute Maximum Ratings
Plate Voltage2800 V
Cathode Current1000 mA
H-C Voltage500 V
Audio Performance
Key Features
- Metal-ceramic miniature
- External metal anode
- High temperature operation (500°C)
- High resistance to shock and vibration
- Pure alumina element spacers
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Capacitor Input Filter | 700V | - | - | - | 140mA |
| Choke Input Filter | 700V | - | - | - | 85mA |
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