ECC 8100
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BrandTelefunken
ClassDouble Triode
BasePico 9 (Noval)
Filament6.3V @ 330mA
Construction
Primary TypeDouble Triode
EnvelopeGlass
Sections2
Filament / Heater
Heater NotesDC-AC-Heating, indirectly heated
Absolute Maximum Ratings
Plate Voltage250 V
Plate Dissipation2.5 W
Grid 1 Voltage-50 V
Cathode Current40 mA
H-C Voltage120 V
Audio Performance
Key Features
- Separate cathodes
- Internal screening for System I
- Vibration and shock proof
- Interface-free special cathode
- Long life
- Tight tolerances
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| System I | 100V | 12000 | 690 | 30 | 15mA |
| System II | 100V | 15000 | 700 | 30 | 15mA |
| System I (alt) | 100V | 16000 | 390 | 30 | 25mA |
| System II (alt) | 100V | 20000 | 400 | 30 | 25mA |
Application Notes
Used for cascode circuits, oscillators, and wide-band amplifiers.
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