Tube-number record
6486
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BrandBendix Red Bank
ClassReceiving Tube
BaseNoval (B9A)
Filament6.3 V @ 250 mA
Construction
Primary TypePentode
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) | 120 V | 2100 | — | — | 4.2 mA |
| Standard Pentode (Grid 3 at 0V) | 120 V | 3250 | — | — | 3.5 mA |
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.
Datasheets
Datasheet: 6486.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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