Tube-number record
E81CC
0 archive entries
BrandSiemens
ClassDouble Triode
BaseNoval (B9A)
Filament6.3 V @ 300 mA
Construction
Primary TypeDual triode
EnvelopeGlass
Base MaterialGlass
Sections2
Filament / Heater
Heater NotesIndirectly heated; parallel or series supply.
Absolute Maximum Ratings
Plate Voltage330 V
Plate Dissipation2.8 W
Grid 1 Voltage-55 V
Cathode Current18 mA
H-C Voltage90 V
Audio Performance
Typical THD5%
Key Features
- Long life
- High reliability
- Shock and vibration resistant
- Interface-layer free cathode
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Amplifier | 250 V | 5500 | 10900 | 60 | 10 mA |
Application Notes
Particularly suitable for HF and AF amplifiers, mixers up to 300 MHz, oscillators, and pulse stages with long anode-current-free periods.
Datasheets
Datasheet: E81CC.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
0 results