AUTHENTIC NAVY ALARM SOUNDS - Police …
Jan 24, 2019 · General alarm: 400hz decay tone, 520ms with repeat for 15 seconds (same as old standard). Collision alarm: Three bursts of 1390hz, 50ms on/30ms off, 150 MS gap after 3rd tone. Chemical alarm: Steady 1390hz tone. Flight Crash: Bi-directional sweep tone from 1040hz to 2415hz & back, 1100ms interval for sweep.
DA: 100 PA: 91 MOZ Rank: 59