6AK4
0 Tubes in archive
BrandSYLVANIA
ClassUHF subminiature triode
BaseSubminiature Button, Flexible Leads
Filament6.3V @ 150mA
Construction
Primary Typetriode
EnvelopeT-3
Sections1
Filament / Heater
Absolute Maximum Ratings
Plate Voltage250 V
Plate Dissipation3 W
Cathode Current20 mA
H-C Voltage90 V
Audio Performance
Power Output0.44 W
Key Features
- General purpose
- Medium mu
- Commercial version of 6K4
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Single Tube | 200V | 3800 | 5300 | 20 | 10.5mA |
Application Notes
Provides an operating bias of approximately 6.5 volts via 510 Ohm cathode resistor. Fixed bias operation is not recommended.
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