Tube-number record
DA2
0 archive entries
DA2 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
EnvelopeGlass
SectionsSingle
Filament / Heater
Absolute Maximum Ratings
Plate Voltage100 V
Audio Performance
Key Features
- Medium impedance
- Compact equipment design
- Deaf aid application
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical Operation 1 | 20 V | 350 | 18900 | 6.6 | 0.5 mA |
| Typical Operation 2 | 40 V | 500 | 13600 | 6.9 | 1.25 mA |
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