LS 2
0 Tubes in archive
BrandTelefunken
ClassGegentakttriode
BaseSolder-in
Construction
Primary TypeTriode
EnvelopeGlass
Sections2
Filament / Heater
MaterialDirectly heated
Absolute Maximum Ratings
Plate Voltage250 V
Plate Dissipation2.5 W
Cathode Current25 mA
Audio Performance
Key Features
- Luftfahrtrohre
- Gegentakt-Triode
- Directly heated cathode
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Kennwerte | 150V | 2050 | - | 17 | 15mA |
Application Notes
The tube should be soldered into the circuit; no socket is provided.
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