6AU6
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BrandMullard
ClassR.F. PENTODE
BaseB7G
Filament6.3V @ 300mA
Construction
Primary TypePentode
EnvelopeGlass
SectionsSingle
Filament / Heater
Heater NotesSuitable for series or parallel operation
Absolute Maximum Ratings
Plate Voltage300 V
Plate Dissipation3 W
Grid 2 Voltage150 V
Grid 1 Voltage-50 V
H-C Voltage100 V
Audio Performance
Key Features
- Short-grid base pentode
- Primarily intended for use as r.f. amplifier
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Pentode connected 1 | 100V | 3900 | 500000 | - | 5mA |
| Pentode connected 2 | 250V | 4500 | 1500000 | - | 7.6mA |
| Pentode connected 3 | 250V | 5200 | 1000000 | - | 10.6mA |
| Triode connected | 250V | 4800 | 7500 | 36 | 12.2mA |
Application Notes
Short-grid base pentode primarily intended for use as r.f. amplifier.
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