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Makrofon YMF75/260


  • Frequency: 260 Hz
  • Intensity in 1/3 octave band level @ 1m: 130 db(A)
  • Intensity @ 1m: 138 db(A)
  • Ship Class: II, III
  • Power Source: Compressed Air
  • Audibility Range: 1.5 NM
  • Air Pressure: 6-40 bar
  • Air Consumption: 8-12 l/sec
  • Material: Corrosion and seawater resistant; mirror polished material varieties with premium chrome or nano-coated surfaces
  • Dimensions (L X W): 730 x 550 mm
  • Weight: 8 kg


  • Available in various metal tints or individually selectable color tints
  • Flexible arrangements
  • Diaphragm sound transmitter
  • Full compliance with Colregs 1972 Annex III, IMO, and USCG regulations
  • Approved by all well known international authorities and classification societies




Zöllner’s Superior Line is handcrafted from the highest quality materials, providing a sense of both optical and acoustic perfection.  All Superior Line models are manufactured in accordance with the most stringent technical and aesthetic standards.  They are the personification of the level of expertise Zöllner has gathered on a global scale for nearly 70 years.

The Makrofon is a compressed air or carbon dioxide powered diaphragm sound transmitter.  Makrofons are reliable whistles distinguished by their low air consumption, strong sound intensity, and wide range of audibility.  Due to their simple and solid design, Makrofons are practically maintenance-free. The diaphragm casings are exclusively made of bronze or brass and seawater resistant plastic is used for the protective cover.

Zöllner offers complete ship set solutions: Horns, bells, gongs, maneuver lamps, sound reception devices, signal controllers, and inclinometers

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