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Frequently asked questions  (FAQ)

1. Why a spherical speaker enclosure?
Because all radii are equal, thus providing utmost stability. This is the reason why pressure vessels are either spherical or cylindrical in design.  In loudspeakers only the membrane/cone should vibrate, nothing else. Sound radiating from a sphere has the least sonic aberration.
2. Why is the RECKHORN Coaxial Speaker better than others?
The bass/mid cone is convex in design, the same as most successful tweeters. Also, the tweeter is not part of the mid range membrane, but is optimally mounted on a specially designed miniature curved basket for minimal defraction.
3. What is the purpose of the slits in the cone?
Hard cone membranes transmit voice coil movements/vibrations with very little loss of energy. Additionally, they are basically free of secondary oscillation and produce minimal distortion. Anodization of the membrane results in additional improvement of cone stiffnes, approaching the quality of a ceramic cone. Unfortunately, unwanted resonances in the upper freqencies are created which are difficult to control. As a solution to break up these resonances we have added asymmetrical slits to the cone at specific points. This does not affect the stabilty of the membrane as the slits are supported by specially damped braces. The slits are then sealed with a special cement creating an air tight seal.
This manufactring method is very complicated, difficult and, especially in the case of the tweeter, costly due to the high quality control selection process.
4. Why is the purchase of an Active Crossover neccessary?
The S-30 speakers will also produce very good results if operated with a passive crossover. If, for instance, one wishes to use separate amplifiers for a surround system, individually dedicated passive crossovers can be used. We offer a circuit design in May 2014.
It is, however, emphasized that in order to realize and experience the full potential of the S-30, the use of a high quality Digital Crossover such as our DSP-6 is highly recommended. Only in this configuration the last barrier in overcoming the restricted acoustic transmission of  sound and music is experienced.
5. What is superior in an Active crossover in comparison to a Passive type?
The DSP-6 is most accurate to program  and allows excellent roll-off steepness for the low pass adjustments. The available 36 dB range may be extended to 50 dB per octave by utilizing an additional equalizer. Numerous selections such as volume, room acoustics, listener hearing loss due to age, etc. can be stored and saved. Room modes and resonances can be eliminated by steep filter roll-off without any loss of quality and high fidelity of the original source.