B 2049
0 Tubes in archive
BrandPhilips Miniwatt
ClassAmplifier Tube
BaseS XVII
Filament20V @ 180mA
Construction
Primary TypeHexode
SectionsSingle
Filament / Heater
Absolute Maximum Ratings
Plate Voltage200 V
Plate Dissipation1 W
Grid 2 Voltage150 V
Grid 1 Voltage-1.3 V
Cathode Current10 mA
H-C Voltage75 V
Audio Performance
Key Features
- H.F. amplification
- I.F. amplification
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Normal Operation | 200V | 1500 | 500000 | - | 3mA |
| Maximum Transconductance | 200V | 2000 | - | - | 3mA |
| Cut-off | 200V | 1 | 50000000 | - | - |
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