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    S-0A Ship Horn, Single Trumpet, Chrome Finish

    €491,-* 0 pcs on stock; delivery within 3 weeks
    The S-0A ship horn is operated by air pressure with a single trumpet, available in white or chrome is IMO Certified for boats up to 20 m (65 feet) in length. The S-0A is constructed for a lifetime of marine service.... Show more
    14 variations Housing finish: white powdercoated, Compressor, Tank Kit: NO, Solenoid Valve Kit: NO

    Product description

    One of the Kahlenberg “Zero Series” range of air horns, the S-0A Air Horn is certified to international requirements (IMO COLREGS) for boats up to 65 feet (20 Meters) in length. Made entirely of bronze and brass, the S-0A is constructed for a lifetime of marine service. The S-0A requires significantly less air to achieve high dB levels and can be powered by extremely small compressed air systems to minimize associated cost and space requirements on board.

    • Output exceeds other horns of similar size
    • Made entirely of brass with bronze diaphragm
    • Low air consumption allows for use of a very small compressor/tank kit as compared to other air horns.
    • Easy Installation with optional P449 Series Compressor Kits, V-69-K Valve Kits


    • Vessel Length: Less than 20 Meters (65 ft.)
    • Heated: No
    • Power Type: Compressed Air

    Technical Information

    • Fundamental Frequency: 322 Hz S.P.L. (dB(A)): 131 dB S.P.L. (1/3 Octave @ 1 Meter): 122.9 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: 12 or 24 VDC (Compressor)
    • Material: Cast Bronze and Spun Brass Net Weight: 4,75 lbs / 2,15 kg
    • Length / width / height [inch; mm]: 15,92 x 6,69 x 6,91 ; 404,37 x 169,9 x 175,51
    • Finish: Kahlenberg Chrome Plate or TGIC White Powder coat Finish

    Further Information


    All of our Kahlenberg ship horns for the High Seas, Inland shipping and Leisure markets are built to the highest quality standards. They offer owners and captains a highly reliable means of meeting IMO/USCG tone signalling requirements and an aesthetically pleasing element on board with a distinctive sound that will be the envy of everyone. With a worldwide reputation for durability, distinctive sound and exceptional finish, Kahlenberg Air Horns can be found on most mega yachts in the world. All Kahlenberg audio signals are tested and certified in an in-house laboratory to ensure compliance with the standards set by the International Maritime Organization (IMO) and the Collision Regulations (COLREG).

    The "Convention on the International Regulations for Preventing Collisions at Sea (COLREG, 1972 - Annex III) describes the technical details of sound signal appliances with respect to the sound signal intensity and the range of the audibility (see: COLREGS - International Regulations for Preventing Collisions at Sea; Annex Ill - Technical Details of Sound Signal Appliances; Chapter 1. Whistles (check IMO for latest version!)

    Ship length [m]: < 20

    • measured Frequencies [Hz]: 180 - 450, 450 - 800; 800 - 2100
    • Sound pressure @ 1m [dB(SPL)]: 120; 115; 111
    • Range [NM]: 0,5

    Ship length [m]: 20 - 75

    • measured Frequencies [Hz]: 250-700
    • Sound pressure @ 1m [dB(SPL)]: 130
    • Range [NM]: 1

    Ship length [m]: 75 - 200

    • measured Frequencies [Hz]: 130-350
    • Sound pressure @ 1m [dB(SPL)]: 138
    • Range [NM]: 1,5

    Ship length [m]: > 200

    • measured Frequencies [Hz]: 70-200
    • Sound pressure @ 1m [dB(SPL)]: 143
    • Range [NM]: 2

    Manufacturer information

    • Manufacturer: Kahlenberg
    • Partnumber: S0Ax


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