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kahlenberg-d-330-air-horn-chrome
1 June 2012

Kahlenberg D-330 and S-330-DVM marine air horns launched

Kim Hollamby Commercial sound signals

Kahlenberg UK is pleased to announce the launch of the new D-330 twin projector marine air horn and S-330-DVM-H single trumpet heated marine air horn at Seawork International 2012.

The Kahlenberg D-330 provides a fully IMO compliant ABS type approved twin trumpet sound signal in an economic and compact package suitable for use on vessels between 20m (65ft) and 75m (246ft). It is particularly suitable where low installation weight is desirable.

The D-330 has been carefully designed in Kahlenberg’s anechoic chamber to provide a consistently powerful and distinctive sound for a minimum of air supply.

As with all Kahlenberg sound signals the D-330 is built in quality materials — spun brass and with a highly reliable titanium diaphragm. It can be supplied in sky white powdercoat or chrome.

The fundamental frequencies of the Kahlenberg D-330 marine air horn are 330Hz and 280Hz and its SPL dB(A) is 133dB. Air consumption is 18CFM (8.4 l/s) @ 100psi (7 bar). It works on a wide range of pressures from 50-200psi (3.5-14 bar). It measures 563mm x 288mm x 181mm (22.3in x 11.3in x 7.1in) and weighs just 4kg (9lb).

The D-330 can be run from onboard air supplies or from compact compressor kits. Kahlenberg UK will be pleased to advise on installation requirements.

S-330-DVM heated air horn

Kahlenberg has also released a new version of the S-330 that was launched last year. This features a heated operating valve offering dual electric operation with a manual override to provide for redundancy, enhancing crew and vessel safety.

The S-300-DVM’s heater is watertight and thermostatically controlled. It operates on 24VDC and 120VAC or 230VAC.

The finish of the horn is TGIC sky white powdercoat and it can safely operate down to -4°C. The S-300-DVM can be mounted to vertical or horizontal surfaces.

As with the Kahlenberg D-330 this model is fully ABS type approved and suitable for vessels between 20m (65ft) and 75m (246ft). Both models can be seen on Kahlenberg UK’s stand at Seawork, B111.

Kahlenberg onboard the USS George HW Bush The Recreational Craft Directive (RCD) and Sound Signals

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    About

    Kahlenberg Industries Inc has a proud track record of engineering excellence since 1895. Kahlenberg air horns start with models suitable for boats of 8m or less and run right through to sound signalling equipment found on ships of 200m and more including aircraft carriers. The range also includes type approved electronic horn hailers and electric piston horns. The hallmarks of the Kahlenberg sound signal range include superior build quality, reliability, compliance with the IMO ColRegs, type approvals including ABS type approval and aesthetic and audible pleasure for the owner.

    You will not find a better air horn, electronic horn hailer or piston horn installed on a yacht, motorboat, superyacht, commercial or military vessel anywhere in the world today.

    Kahlenberg is represented throughout much of Europe by Kahlenberg Europe. We work very closely with that company to represent Kahlenberg in the UK as well as with our sister company du Pré Marine that offers high quality service for a selected range of specialist marine equipment.

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