Tube-number record
216
0 archive entries
216 is a tube type in the TubeDatabase archive (class: Triode). Recorded specifications: construction Triode and maximum plate voltage 150 V. The archive does not yet hold a photographed example of this type.
ClassTriode
Construction
Primary TypeTriode
EnvelopeGlass
SectionsSingle
Filament / Heater
Absolute Maximum Ratings
Plate Voltage150 V
Audio Performance
Key Features
- Vintage vacuum tube triode
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A Amplifier | 130 V | 1000 | 6000 | 6.1 | 6 mA |
Application Notes
Commonly used in early telephone repeaters and audio equipment.
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