The Kahlenberg KB-20 is an Electric Horn for marine use that produces a horn signal in excess of 130 dB (1/3 Octave Band) as required for vessels up to 75 meters in length. The KB-20 is an extremely durable and simple horn assembly proven for many years in commercial and military service.
Horn supplied complete with M-478A Oscillator Unit and optional M-477 A.C. to D.C. Power Supply
Horn is electrically powered and IMO certified for vessels less than 75 meters in length
Horn construction: High strength aluminum bell, supporting frame, stainless steel diaphragm and fasteners
Self draining design to prevent condensation and corrosion
Driver unit is totally enclosed, marine type, IP56, and equipped with 150 watt/120 Volt anti-condensation strip heater
Requires no external air or steam source
Heated?:Yes
Control and Heater
120/230V [50-60 Hz]
Power Consumption 500 W
Audibility 1 nautical miles (IMO)
Fundamental Frequency 300 Hz ± 20 Hz
Operating Voltage 24 V.D.C. (115/230 volt A.C. with optional M-477 Power Supply)
Operating Temperature -40ºC to +45ºC [-22ºF to +113ºF]
Finish Alodine Treatment, Primed and Painted Marine Grey
Degree of Protection IP 56
Basic Dimension 949x541x394cm [37x21x15.5
Net Weight 22 kg [49 lbs]