Tube-number record
6AU6-A
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BrandGeneral Electric
ClassPentode
BaseMiniature 7-pin (B7G)
Filament6.3 V @ 0.3 mA
Construction
Primary TypePentode
EnvelopeT-5 1/2
Base MaterialGlass
SectionsSingle
Filament / Heater
Absolute Maximum Ratings
Plate Voltage330 V
Plate Dissipation3.5 W
Grid 2 Voltage330 V
H-C Voltage200 V
Audio Performance
Key Features
- Miniature sharp-cutoff pentode
- High-gain RF/IF amplifier
- Low grid-plate capacitance
- High transconductance
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Pentode Connection | 100 V | 3900 | 500000 | — | 5 mA |
| Pentode Connection | 250 V | 4500 | 1500000 | — | 7.4 mA |
| Pentode Connection | 250 V | 5200 | 1000000 | — | 10.6 mA |
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