Tube-number record
C3B
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BrandVEB Röhrenwerk Anna Seghers
ClassPentode
Base5-pin
Filament4 V @ 1.1 mA
Construction
Primary TypePentode
Filament / Heater
Heater NotesIndirectly heated
Absolute Maximum Ratings
Plate Voltage250 V
Grid 2 Voltage150 V
Audio Performance
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Static | 220 V | 3500 | 700000 | — | — |
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