EFM 11
0 Tubes in archive
BrandPhilips
ClassPentode & Tuning Indicator
BaseSteel
Filament6.3V @ 0.2mA
Construction
Primary TypePentode
EnvelopeMetal/Glass
Base MaterialSteel
SectionsSingle
Filament / Heater
Heater NotesIndirectly heated, parallel or series supply
Absolute Maximum Ratings
Plate Voltage300 V
Plate Dissipation0.4 W
Grid 2 Voltage300 V
Grid 1 Voltage-1.3 V
H-C Voltage100 V
Audio Performance
Key Features
- Low frequency amplifier
- Integrated tuning indicator
- Indirectly heated
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| L.F. Amplifier & Tuning Indicator (Max Gain) | 120V | - | 700000 | - | 1mA |
| L.F. Amplifier & Tuning Indicator (Tuning State) | 172V | - | 3000000 | - | 0.58mA |
Application Notes
Pentode for use as L.F. amplifier and tuning indicator. Suitable for parallel or series supply (AC or DC).
Datasheet Viewer
Loading datasheet...
Sort by
Showing 1 to 0 of 0 results