S-330 Air Horn

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S-330 Air Horn


KAHLENBERG - Model S-330 Air Horn

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The S-330 Air Horn has been designed to minimize air consumption, and maximize sound pressure output, while retaining the superior finish and durable construction Kahlenberg Air Horns are famous for. The S-330 is much lighter, and significantly smaller than other horns of similar output, yet is certified to IMO Requirements for vessels up to 75 Meters in length, and can be powered by extremely small compressed air systems to minimize associated cost and space requirements on board.
•    For vessels less than 75 Meters in length
•    Meets or exceeds IMO Requirements
•    Low Air Consumption, operates on a wide range of air pressure
•    Highly reliable, virtually no maintenance required
•    All brass construction with titanium sounding diaphragm


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Vessel Length

20-75 Meters (65 to 246 ft.)



Power Type

Compressed Air

Additional Specifications

Fundamental Frequency: 330 Hz
S.P.L. (1/3 Octave @ 1 Meter): 132 dB
S.P.L. (dB(A)): 136 dB
Air Consumption: 9 C.F.M. @ 100 p.s.i., 4.2 l/s @ 7 bar
Air Pressure Required: 50 to 200 p.s.i., 3.5 to 14 bar
Electrical Power Required: Any standard A.C. or D.C. Voltage
Material: Cast Bronze and Spun Brass
Net Weight: 4.75 lbs., 2.15 kg.,
Finish: TGIC Sky White Powdercoat or Kahlenberg Chrome Plate Finish