Model Q-4-474 Chrome Chimetone Air Horn, For Boats 246 to 656 ft., (75 to 200 Meters)

Kahlenberg Model Q-4-474 Chimetone Air Horns all utilize more than one projector or “trumpet” in their design.  To hear a Chimetone Air Horn is to realize that the sound of a vessel can be one of its most impressive aspects.

Kahlenberg Model Q-4-474 Chimetone Air Horns all utilize more than one projector or “trumpet” in their design. These projectors each produce a different fundamental frequency which combine to produce powerful, distinctive, musical chords. To hear a Chimetone Air Horn is to realize that the sound of a vessel can be one of its most impressive aspects. The Model Q-4 474 Chrome Chimetone Air Horn is designed for the most discriminating yachtsman. It is made entirely of bronze and brass, and finished with the highest quality duplex nickel chrome plating.
  • For vessels 75 fo 200 Meters in length
  • Meets or exceeds IMO Requirements
  • Operates on a wide range of air pressure
  • Highly reliable, virtually no maintenance required
  • All brass and bronze construction
More Information
Finish Chrome
Vessel Length 75-200 Meters (246 to 656 ft.)
Heated? No
Power Type Compressed Air
Additional Specifications

Fundamental Frequency: 106, 134, 171, 220 Hz
S.P.L. (1/3 octave band @ 1 meter): 138 dB
Air Consumption: 237.6 c.f.m. (112 l/s) @ 150 p.s.i. (10 bar)
Air Pressure Req'd: 100 to 250 p.s.i. (7 to 17 bar)
Control: External manual/solenoid operating valve
Material: Cast Bronze and Brass
Finish: None (White Powdercoat Optional)
Dimensions: 37"x45"x14" (940 x 1143 x 356mm)
Net Weight: 280 lbs. (127 kg)