Tube-number record
EBL1
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ClassDuo-diode Power Pentode
BaseSide-contact (P-base)
Filament6.3 V @ 1500 mA
Construction
Primary TypeMulti-section
EnvelopeGlass
Sections2 diodes, 1 pentode
Filament / Heater
Heater NotesIndirect heating
Absolute Maximum Ratings
Plate Voltage250 V
Plate Dissipation9 W
Grid 2 Voltage250 V
H-C Voltage50 V
Audio Performance
Typical THD10%
Power Output4.3 W
Key Features
- Common cathode
- Top-mounted control grid
- Internal shielding
- Steep 9W output pentode
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Pentode Section | 250 V | 9500 | 50000 | — | 36 mA |
Application Notes
Automatic grid bias is recommended with a 150 Ohm cathode resistor. To prevent parasitic oscillation, 1000 Ohm resistor in control grid and 100 Ohm in screen grid circuit may be used.
Datasheets
Datasheet: EBL1.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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