LOW FREQUENCY
Akula I / I imp Towed Array
max speed 12; sensitive -8; range 120,380 km frequency 0-1200 Hz
Akula II Towed Array
max speed 20; sensitive -8; range 120,380 km frequency 0-1200 Hz
Akula III Towed Array
max speed 21; sensitive -10; range 120,380 km frequency 0-1200 Hz
Kilo LF passive bow sonar
max speed 9; sensitive -3; range 120,380 km frequency 45-800 Hz
MEDIUM FREQUENCY
Kilo MF passive bow sonar
max speed 15; sensitive -11; range 50,000 km frequency 800-2000 Hz
Akula I / Imp / II passive bow sonar
max speed 17; sensitive -12; range 50,000 km frequency 800-2000 Hz
Akula III passive bow sonar
max speed 21; sensitive -13; range 52,000 km frequency 800-2000 Hz
Kilo have 2 bow sonars: medium and low frequency
sensitive means Signal to Noise Ratio (SNR)
max speed means minimum sensitiveness
maximum sensitivenes is at 75% of maximum speed
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