6BH6
11 Tubes in archive
BrandGeneral Electric
ClassPentode
BaseMiniature Button 7-Pin
Filament6.3V @ 150mA
Construction
Primary TypePentode
EnvelopeT-5 1/2
Base MaterialGlass
SectionsSingle
Filament / Heater
Heater NotesAC or DC
Absolute Maximum Ratings
Plate Voltage300 V
Plate Dissipation3 W
Grid 2 Voltage300 V
Grid 1 Voltage-50 V
H-C Voltage90 V
Audio Performance
Key Features
- low grid-plate capacitance
- relatively high transconductance
- low heater current
- sharp-cutoff pentode
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A Amplifier | 100V | 3400 | 700000 | - | 3.6mA |
| Class A Amplifier | 250V | 4600 | 1400000 | - | 7.4mA |
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