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Tube Database (7,341 tube types · 1,270 archive entries)

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C3M vacuum tube outline illustration

Tube-number record

C3M

1 archive entry

C3M is a tube type in the TubeDatabase archive (class: Universal-Pentode). Recorded specifications: brand Siemens, construction Pentode, socket Special / none, maximum plate voltage 300 V, and maximum plate dissipation 4 W. The archive holds 1 photographed example of this type.

BrandSiemens
ClassUniversal-Pentode
BaseSpecial / none
Filament20 V @ 125 mA

Construction

Primary TypePentode
EnvelopeGlass
Sections1

Filament / Heater

Heater NotesIndirekt durch Wechsel- oder Gleichstrom, Parallel- oder Serienspeisung

Absolute Maximum Ratings

Plate Voltage300 V

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Pentode220 V65002500001916 mA
Triode220 V720025001818.5 mA

Application Notes

Besonders geeignet für NF-, ZF- und HF- Verstärker in Vor- und Endstufen, Oszillatoren, Mischstufen und Regelverstärker.

Datasheets

Datasheet: C3m.pdf

Download PDF
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Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.

Filters

1 tube found

Manufacturers

Brands

Siemens1
Plate Dissipation4 W
Grid 2 Voltage300 V
Grid 1 Voltage-100 V
Cathode Current30 mA
H-C Voltage120 V

Audio Performance

Typical THD10%
Power Output1.5 W
Key Features
  • Lange Lebensdauer (> 10 000 Std.)
  • Große Zuverlässigkeit
  • Enge Toleranzen
  • Zwischenschichtfreie Spezialkathode
  • Siemens C3M tube — photo 1 of 4
    Siemens C3M tube — photo 2 of 4
    Siemens C3M tube — photo 3 of 4
    Siemens C3M tube — photo 4 of 4

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    Photo 1 of 4

    C3M

    Brand
    Siemens
Showing 1–1 of 1 results