864
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ClassTriode
Base4-Pin UX
Construction
Primary TypeTriode
EnvelopeST-12
Sections1
Filament / Heater
Absolute Maximum Ratings
Plate Voltage135 V
Audio Performance
Key Features
- Low microphonic
- Battery-operated
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A Amplifier | 90V | 425 | 15500 | 6.6 | 2.5mA |
Application Notes
The 864 is a general-purpose triode designed for use as a detector or amplifier in applications where low microphonic response is essential.
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