Tube-number record
VCL11
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BrandTelefunken
ClassTriode-Endtetrode
BaseSide-contact (P-base)
Filament90 V @ 50 mA
Construction
Primary TypeTetrode
EnvelopeGlass
Sections2
Filament / Heater
Heater NotesIndirect heating, GW-series
Absolute Maximum Ratings
Plate Voltage250 V
Plate Dissipation4 W
Grid 2 Voltage250 V
Grid 1 Voltage-1.3 V
Cathode Current25 mA
H-C Voltage150 V
Audio Performance
Typical THD10%
Power Output1.2 W
Key Features
- Indirekt geheizt
- Nur zur Bestückung des DKE
- Netzröhre für GW-Heizung
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Tetrode Section (Mode 1) | 200 V | 5000 | 70000 | — | 12 mA |
| Tetrode Section (Mode 2) | 100 V | 4200 | 80000 | — | 6 mA |
| Triode Section (Meßwerte) | 100 V | 2400 | — | 58.8 | — |
Application Notes
Specifically designed for the German 'Deutscher Kleinempfänger' (DKE) radio set.
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