Pneumatic horn D-330
for ships 20-75 m

pneumatic horn
pneumatic horn
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Application domain
for ships 20-75 m
Sound intensity

133 dB


The D-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 D-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 Power: Compressed Air Powered Additional Specifications: Fundamental Frequency 330 & 280 Hz S.P.L. (1/3 Octave @ 1 Meter) 133 dB S.P.L. (dB(A)) 136 dB Air Consumption 18 C.F.M. @ 100 p.s.i., 8.4 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 9 lbs., 4.3 kg., Finish TGIC White or Military Grey Powdercoat Finish


*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.