6582
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BrandBendix Red Bank
ClassRF Sharp Cut-off Pentode
Base9-pin miniature button
Filament6.3V @ 250mA
Construction
Primary TypePentode
EnvelopeMiniature
Sections1
Filament / Heater
Warm-up Time25s
Heater NotesCoil type heater inside extruded alumina insulator
Absolute Maximum Ratings
Plate Voltage200 V
Plate Dissipation2 W
Grid 2 Voltage155 V
Grid 1 Voltage-100 V
Cathode Current20 mA
H-C Voltage250 V
Audio Performance
Key Features
- Reliable miniature rf sharp cut-off pentode
- Designed for aircraft and industrial applications
- Freedom from early failure
- Long average service life
- Dual control
- Short lead length design
- Coil type heater
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Pentode | 120V | 4500 | - | - | 7.5mA |
Application Notes
Intended to replace the 6AK5 in applications where reliability is the primary consideration. Each tube is given a 45-hour run-in under overload vibration and shock conditions.
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