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Monacor AIRMT-130 Air Motion Transformer Tweeter

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Monacor AIRMT-130 High Power Air Motion Transformer Tweeter.

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Air motion transformers (AMT) are a unique type of high-end ribbon tweeter which were developed by German physicist Oskar Heil during his research into the characteristics of the human ear.

Although AMTs are members of the ribbon family, they have a radically different mode of operation: these tweeters feature a specially folded / pleated diaphragm that expands and contracts along its length like a bellows transforming an electrical signal into air waves and can therefore technically be viewed as a type of sound modulated air pump.The folding of the AMT diaphragm offers a larger active radiating area in the minimum of space.

AMT tweeters have a highly dynamic sound with an excellent transient response, very high efficiency and low harmonic distortion.

We recommend a minimum crossover frequency of 3kHz / 18db octave.

Key Features:

  • Folded Kapton / aluminium diaphragm
  • Neodymium magnet system
  • Strong aluminium faceplate
  • Highly dynamic response
  • Excellent transients
  • Low distortion
  • True high-end performance
  • Very high output 98 dB

Basic parameters:

Frequency range 3kHz-30kHz Nominal impedance (Zn) 8 Ω
Ribbon dimensions - DC resistance (Ribbon) 5.2 Ω
Effective area (squared) - RMS power handling 60 W
Crossover frequency 3kHz 18db Peak power 120W
Sensitivity (2.83V/1m) 98dB Faceplate 130x90mm  


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