ID:
2405
Maker's Name:
Western Electric
Where made:
USA
Dimensions:
5.6 × 5.6 × 10.5 cm
A triode used in voice frequency and carrier frequency amplification, and repeater equipment.
Triodes were used as they contributed low noise, compared with other valves.
This triode had a low amplification factor (2.3 - 2.6), but could deliver 735 milliWatts of audio power.
