Tube-number record
GD85M IS
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ClassMiniature Reference Tube
BaseMiniature 7-pin (B7G)
Construction
Primary TypeOther / special
EnvelopeGlass Miniature
SectionsSingle
Filament / Heater
Absolute Maximum Ratings
Plate Voltage115 V
Cathode Current10 mA
Audio Performance
Key Features
- Miniature
- Voltage Reference
- Reference Tube
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Running | 85 V | — | 450 | — | 6 mA |
Application Notes
Equilibrium conditions are reached after three minutes' operation.
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