Tube-number record
EL509
0 archive entries
ClassPower Pentode
BaseMagnoval
Filament6.3 V @ 2.5 mA
Construction
Primary TypePentode
EnvelopeGlass
Base MaterialGlass
Sections1
Filament / Heater
Heater NotesIndirectly heated
Absolute Maximum Ratings
Plate Voltage700 V
Plate Dissipation30 W
Grid 2 Voltage250 V
Grid 1 Voltage-200 V
Cathode Current500 mA
H-C Voltage250 V
Audio Performance
Key Features
- High peak anode current
- Magnoval base
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Pentode | 160 V | 18000 | 8000 | — | 120 mA |
Application Notes
The EL509 is designed for television horizontal deflection circuits and high power audio amplification.
Datasheets
Datasheet: EL509.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
0 results