6BY7
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BrandPhilips
ClassRF Pentode
Base9-pin Noval
Filament6.3V @ 300mA
Construction
Primary TypePentode
EnvelopeGlass
Base MaterialSmall button noval 9-pin
SectionsSingle
Filament / Heater
Heater NotesIndirectly heated
Absolute Maximum Ratings
Plate Voltage250 V
Plate Dissipation2.5 W
Grid 2 Voltage250 V
Grid 1 Voltage-1.3 V
Cathode Current15 mA
H-C Voltage50 V
Audio Performance
Key Features
- Variable transconductance
- Wide-band amplifier
- Internal shield
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Wide-band amplifier | 250V | 6000 | 500000 | - | 10mA |
Application Notes
The 6BY7 can be used in combination with the 6AJ8 with a common screen grid resistor. For 6AJ8 as frequency changer, common resistor should be 18,000 ohms. For 6AJ8 as R.F. or I.F. amplifier, use 22,000 ohms.
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