Sophia Electric Princess 206 Vacuum Tube Specification
Classification: New design ST shape glass enclosure. Four-pin socket(like 300b base), Direct Heating oxide coated filamentary triode.
| Application: | Audio amplifier Class A service |
| Radio amplifier Class B service | |
| Oscillator Class C service |
Nominal operating conditions and parameters:
| Filament voltage | 4.5V |
| Nominal filament current | 1.2A |
| Plate voltage | 400V |
| Grid voltage | -24V |
| Plate current | 50mA |
| Plate resistance | 2.5 Kohms |
| Amplification factor | 7.3 |

Limiting Operation conditions for safe operation-nor simultaneous ratings:
| Maximum plate voltage | 450 volts |
| Maximum plate dissipation | 25 watts |
| Maximum plate current | 70 ma |
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