Tube-number record
41 M.H.
0 archive entries
41 M.H. is a tube type in the TubeDatabase archive (class: Triode). Recorded specifications: brand Cossor, construction Triode, and maximum plate voltage 200 V. The archive does not yet hold a photographed example of this type.
BrandCossor
ClassTriode
Filament4 V @ 1 mA
Construction
Primary TypeTriode
SectionsSingle
Filament / Heater
Heater NotesIndirectly heated
Absolute Maximum Ratings
Plate Voltage200 V
Grid 1 Voltage-1.5 V
Audio Performance
Key Features
- Indirectly heated
- High impedance
- High mutual conductance
- Anode bend rectification
- Power grid detector
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Detector/L.F. Amplifier | 200 V | 4000 | 18000 | 72 | 3.2 mA |
| Normal Working | 150 V | — | — | — | — |
Application Notes
Recommended for use as a detector valve due to high mutual conductance. For anode bend rectification, a coupling resistance of 100,000 ohms and 0.0002 mfd bypass condenser is recommended.
Datasheets
Datasheet: 41MH.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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