E 414
0 Tubes in archive
BrandPhilips
ClassTriode
BaseA 35
Filament4V @ 0.9mA
Construction
Primary TypeTriode
EnvelopeGlass
Sections1
Filament / Heater
Heater NotesIndirekt geheizte Kathode
Absolute Maximum Ratings
Plate Voltage150 V
Audio Performance
Key Features
- Low microphony (Selbstklingens)
- Designed for transformer amplification
- Indirekt geheizte Kathode
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Transformer Coupling | 150V | 2000 | 7000 | 14 | 6mA |
| Distortion-free Amplification | 120V | - | - | - | - |
Application Notes
Specifically designed for transformer amplification where microphony (Selbstklingens) issues arise, such as in microphone amplifiers. Recommended for use with Philips N.F. Transformer No. 4003 for 42x amplification.
Datasheet Viewer
Loading datasheet...
Sort by
Showing 1 to 0 of 0 results