Tube-number record
DA1
0 archive entries
DA1 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
Sections1
Filament / Heater
Absolute Maximum Ratings
Plate Voltage100 V
Audio Performance
Key Features
- Medium impedance
- Low frequency amplifier
- Compact design for deaf aids
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Operation 1 | 20 V | 200 | 150000 | 30 | 0.1 mA |
| Operation 2 | 40 V | 400 | 80000 | 32 | 0.25 mA |
0 results