JM-3A Studio Monitor
For the creation of our mid-range active monitor, we chose to collaborate with our compatriot, JEAN MAURER.

After long comparative tests, it is apparent that the JEAN MAURER monitors possess virtually unique qualities, such as the absence of decay in the bass frequencies, transparency of sound, and homogeneity beyond comparison.

These characteristics have been achieved mainly through the following 4 concepts:

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  • Phases and sonic image are respected due to perfect geometrical alignment of sources, the only solution for exact restitution.
  • The 3 loudspeakers are very close in order to optimize homogeneity.
  • The absence of decay is obtained through a unique anti-vibratory technology developed by Jean Maurer.
  • A steep slope filter system with very low crossover frequencies in the woofer and mid-range in the frequency zones were the directivity diagram closes. This low directivity allows the sound engineer to work in near field monitoring and also in difficult conditions.
Based on the above, the SONOSAX engineers have developed active electronics, and designed a cabinet in close collaboration with JEAN MAURER. The 3-way electronic filter is based on Fully Discrete Technology (excluding integrated circuits) and certain slopes reach 42dB/Oct. The 3 associated amplifiers, also fully discrete, offer very high performances. To avoid deterioration of the loudspeakers, each amplifier is equipped with its own limiter.

The result of this SONOSAX-JEAN MAURER collaboration: an outstanding concept for a medium strength, compact monitor; an impressive quality of sound, notable for its surprising transparency and allowing dissociation of the real low frequencies from the usual effects of decay.
  • SONOSAX JM-3A is the instrument, par excellence, for detailed control and formidable for all sound sources.
  • Optional support for perfect installation and finish.
Linearity diagram  bandepasp420.jpg (34387 octets) and distortion diagram  distop420.jpg (32530 octets) ART2C640.jpg (105136 octets)
Improvements may cause change of features and specifications without notice.
Last update November 27, 2000 ly