Tube-number record
DL93
0 archive entries
DL93 is a tube type in the TubeDatabase archive (class: Output Pentode). Recorded specifications: brand Mullard, construction Pentode, socket Miniature 7-pin (B7G), maximum plate voltage 150 V, and maximum plate dissipation 2 W. The archive does not yet hold a photographed example of this type.
BrandMullard
ClassOutput Pentode
BaseMiniature 7-pin (B7G)
Construction
Primary TypePentode
EnvelopeGlass
SectionsSingle
Filament / Heater
MaterialDirectly Heated
Absolute Maximum Ratings
Plate Voltage150 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A AF Amplifier (Parallel Filament) | 135 V | 1900 | 90000 | — | 14.8 mA |
| Class A AF Amplifier (Parallel Filament) 2 | 150 V | 1900 | 100000 | — | 13.3 mA |
| RF Power Amplifier at 50 Mc/s | 150 V | — | — | — |
Application Notes
For series filament operation a shunting resistor must be connected across one filament section between pins 1 and 5 to by-pass excess cathode current.
Datasheets
Datasheet: DL93.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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