Tube-number record
DB3
0 archive entries
DB3 is a tube type in the TubeDatabase archive (class: Medium Impedance Triode). Recorded specifications: brand Mullard, construction Triode, and maximum plate voltage 100 V. The archive does not yet hold a photographed example of this type.
BrandMullard
ClassMedium Impedance Triode
Construction
Primary TypeTriode
Filament / Heater
Absolute Maximum Ratings
Plate Voltage100 V
Audio Performance
Key Features
- Medium Impedance
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical 1 | 20 V | 350 | 13500 | 4.7 | 1 mA |
| Typical 2 | 40 V | 620 | 7600 | 4.7 | 2.8 mA |
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