6486
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BrandBendix Red Bank
ClassReceiving Tube
BaseMiniature button 9-pin
Filament6.3V @ 250mA
Construction
Primary TypeDual Control Pentode
EnvelopeT-6 1/2
SectionsSingle
Filament / Heater
Heater NotesCoil type heater inside an extruded alumina insulator
Absolute Maximum Ratings
Plate Voltage180 V
Plate Dissipation2 W
Grid 2 Voltage140 V
Cathode Current18 mA
H-C Voltage300 V
Audio Performance
Key Features
- Reliable miniature
- Sharp cut-off
- Dual control grids
- 45-hour run-in
- Shock and vibration resistant
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Mixer/Gated Amplifier (Grid 3 Negative) | 120V | 2100 | - | - | 4.2mA |
| Standard Pentode (Grid 3 at 0V) | 120V | 3250 | - | - | 3.5mA |
Application Notes
Intended to replace the 6AS6 in applications where reliability is the primary consideration. Grid #1 and Grid #3 may be used as independent control electrodes for mixers, gated amplifiers, and gain controlled amplifiers.
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