Tube-number record
EDD 11
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BrandTelefunken
ClassDouble Power Triode
BaseSide-contact (P-base)
Filament6.3 V @ 400 mA
Construction
Primary TypeTriode
EnvelopeGlass
SectionsDouble
Filament / Heater
Heater NotesIndirectly heated
Absolute Maximum Ratings
Plate Voltage250 V
Plate Dissipation3 W
Cathode Current50 mA
H-C Voltage50 V
Audio Performance
Typical THD10%
Power Output5.5 W
Key Features
- Doppelendtriode für B-Verstärkung
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class B | 200 V | — | 12000 | — | 35 mA |
| Class B | 250 V | — | 16000 | — | 35 mA |
Application Notes
Specifically designed for Class B amplification using EBC 11 as driver.
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