5U4G
12 Tubes in archive
BrandSylvania
ClassFull-Wave Vacuum Rectifier
BaseOctal
Construction
Primary TypeVacuum
Rectifier Typefull-wave
EnvelopeST-16, T-11 or T-12
Base MaterialMedium Shell Octal 5-Pin
Sections2
Filament / Heater
MaterialCoated
Absolute Maximum Ratings
Plate Voltage1550 V
Cathode Current800 mA
Audio Performance
Key Features
- Filamentary
- Full-wave
- High vacuum
- High current requirements
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Capacitor Input Filter | 300V | - | 35 | - | 245mA |
| Capacitor Input Filter | 450V | - | 85 | - | 225mA |
| Choke Input Filter | 550V | - | - | - | 225mA |
Application Notes
Horizontal operation is permitted if Pins 1 and 4 are in a vertical plane. AC plate voltage is measured without load.
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