EL3010
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BrandTelefunken
ClassPower Pentode
BaseOctal
Filament6.3V @ 2.2mA
Construction
Primary TypePentode
EnvelopeGlass
SectionsSingle
Filament / Heater
Heater NotesParallel or series connection
Absolute Maximum Ratings
Plate Voltage900 V
Plate Dissipation35 W
Grid 2 Voltage250 V
Grid 1 Voltage-50 V
Cathode Current350 mA
H-C Voltage100 V
Audio Performance
Typical THD10%
Power Output16.5 W
Key Features
- Reliable 10,000 hour life
- Tight tolerances
- Vibration and shock proof
- Interface-free special cathode
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Measuring A | 170V | 90000 | 3800 | 16 | 200mA |
| Measuring B | 330V | 50000 | 7000 | 16 | 100mA |
| NF-Leistungsverstärker (Single-ended) | 250V | - | 1600 | - | 143mA |
Application Notes
The cathode establishes no interface even when the heated tube is operated without plate current for lengthy periods.
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