Tube-number record
HL.41
0 archive entries
HL.41 is a tube type in the TubeDatabase archive (class: Triode). Recorded specifications: brand Mazda, construction Triode, socket Octal, and maximum plate voltage 250 V. The archive does not yet hold a photographed example of this type.
BrandMazda
ClassTriode
BaseOctal
Filament4 V @ 0.65 mA
Construction
Primary TypeTriode
Envelopemetallised
Sectionssingle
Filament / Heater
Heater NotesA.C. Mains operation
Absolute Maximum Ratings
Plate Voltage250 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Static Characteristics | 100 V | 3500 | 10300 | 36 | — |
| R.C.C. Amplifier | 250 V | — | — | 27 | 2.2 mA |
| R.C.C. Amplifier with Decoupling | 250 V | — | — | 27 | 1.9 mA |
Application Notes
The HL.41 may be used as an L.F. amplifier with either R.C. or transformer coupling, or as an oscillator where a high mu triode is required.
Datasheets
Datasheet: HL41.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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