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Type 93 Model 3 Sonar


Specifications:


Frequency
17.5 kHz
Receiver gain
120 decibels
Pulse repetition interval     
2, 4, or 8 seconds
Power
2 kW
Ranges
1640-3300-6600 yards
1500m-3000m-6000m
Accuracy
3 degrees
Resolution
10 degrees
Weight
4400 lbs
2000 kg
Production
From 1942-4


The Japanese Type 93 Model 3 sonar was a derivative of Model 1, which had been used on destroyers since 1933. It used a retractable quartz projector for both transmission and reception and had a nonretractable sound dome measuring 1.9m by 0.65m (6'3" by 2'2").

References

Lacroix and Wells (1997)


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