6211
5 Tubes in archive
BrandMullard
ClassDouble Triode
BaseB9A
Filament6.3V @ 300mA
Construction
Primary TypeDouble Triode
EnvelopeGlass
Sections2
Filament / Heater
Heater NotesCentre-tapped heater suitable for series or parallel operation
Absolute Maximum Ratings
Plate Voltage200 V
Plate Dissipation1.5 W
Grid 1 Voltage-100 V
Cathode Current14 mA
H-C Voltage180 V
Audio Performance
Key Features
- Special Quality
- Long life
- Shock resistant
- Vibration resistant
- Maintains emission under cut-off
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Each section | 100V | 3600 | 7800 | 28 | 4.6mA |
Application Notes
Not intended for use in circuits critical with regard to hum, microphony or noise.
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