ECL83
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BrandMullard
ClassCombined triode and output pentode
BaseB9A
Filament6.3V @ 600mA
Construction
Primary TypeTriode Pentode
EnvelopeGlass
Sections2
Filament / Heater
Heater NotesSuitable for parallel operation a.c. or d.c.
Absolute Maximum Ratings
Plate Voltage250 V
Plate Dissipation5.4 W
Grid 2 Voltage250 V
Cathode Current45 mA
H-C Voltage250 V
Audio Performance
Typical THD10%
Key Features
- Separate cathodes
- Combined triode and output pentode
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Pentode section Class A | 170V | 5500 | 53000 | 10 | 30mA |
| Triode section | 170V | 2100 | 40000 | 82 | 1.6mA |
Application Notes
Intended for use in audio frequency applications.
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