It is well known that the rigidity,weight, and floor-decoupling characteristics of a loudspeaker stand can dramatically alter the performance characteristics of the loudspeaker with which it is used, and there are many stands on the market today that feature various combinations and applications of these design elements. However, all current loudspeaker stands share a design flaw with regard to the establishment of standing waves between the floor and the upper part of the stand, resulting in unintended anomalies in frequency and phase response.
A new paradigm.
In order to overcome the inherent design limitations of current loudspeaker stand technology and the associated coloration and smearing of the program material, Jean-Marie Reynaud has designed his type of loudspeaker stand, the MAGIC STAND.
The MAGIC STAND II® uses an exclusive active system of two Hemholtz resonators tuned at two different frequencies, with the front surfaces arranged to optimally diffract low frequency signals from 100 to 400 Hz. The spectacular results achieved with the MAGIC STAND are not only audible, but also measurable, as shown by the pink noise analysis frequency response curves provided in the slideshow.
In the first test condition, the loudspeaker was placed on a remarkably heavy and inert hollow metallic stand (lower curve). In the second, the loudspeaker was placed on a MAGIC STAND(upper curve). Heights of the two different stands was the same, and the microphone was situated in the same place relative to the loudspeaker.
With the metal stand, the frequency response plot demonstrate a variance of 8 dB and a 50 Hz downpoint of -6 dB, while the MAGIC STAND test resulted in only a 4 dB variation in frequency response and a 50 Hz downpoint of only -3 dB. NOTE : The magic stand will produce the best results with loudspeakers whose cabinets are between 11 to 20 inches high.
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