Tube-number record
DH107
0 archive entries
DH107 is a tube type in the TubeDatabase archive (class: Double-Diode-Triode). Recorded specifications: brand Marconi, year 1952, construction Other / special, socket Miniature 7-pin (B7G), and maximum plate voltage 250 V. The archive does not yet hold a photographed example of this type.
BrandMarconi
ClassDouble-Diode-Triode
BaseMiniature 7-pin (B7G)
Filament19 V @ 100 mA
Construction
Primary TypeOther / special
EnvelopeTubular
SectionsDouble-Diode-Triode
Filament / Heater
Heater NotesIndirectly heated
Absolute Maximum Ratings
Plate Voltage250 V
Audio Performance
Key Features
- Miniature
- Low microphony
- Any mounting position
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Triode section | 250 V | 1200 | 58333.3 | 70 | 1 mA |
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