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Ultrasound

 

Exclusive features of Multipolar Systems

 

Summary

• Main differences between live music and reproduced music

• The MULTIPOLAR Systems

• The Theory of MULTIPOLAR Systems

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Main differences between live music and reproduced music

DYNAMICS

• live: we have peak levels of 120-130 dB.
• hi-fi: chains can hardly overcome the 100 dB without unacceptable distortions; dynamics is 100 to 1000 times lower than live music.

 

SPACIOUSNESS

• live (concert halls, Jazz clubs, etc.): the sound that reaches the listener is made of a direct component and of an indirect component due to the reflections on the walls; the indirect part is greater than the direct one and is delayed compared to the former. The greater the dimensions of the place, the higher is the delay responsible of the feeling of spaciousness.
• hi-fi: the direct component is greater than the indirect one while the delay is very small. The acoustical scene is very small and, often, occupied by Lilliputians that play microscopic instruments.

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TRANSPARENCY

• live: the large dimensions of the sources (instruments, singers) allow an easy irradiation of acoustic power, with airy sound and feelings of transparency.
• hi-fi: the small dimensions of the sources (loudspeakers) make easily... significant distortions. The presence of an acoustic box (necessary for the reproduction of low frequencies) and of the crossover increases the distortion, with feelings of coloration and listening stress.

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The MULTIPOLAR Systems

The MULTIPOLAR SYSTEMS allow a reproduction similar to that in live performances:

	DYNAMICS: thanks to the elevated efficiency, it allows to reach realistic levels, without dynamic compression. Besides, it represents the ideal solution for better amplifications that usually have small powers.
	SPACIOUSNESS: thanks to the exclusive type of radiation, a multipole is closer to the situation of live listening: in fact there is a direct component and an indirect component that reaches the listener with notable delay compared to the former. The acoustic scene is big and deep and inside it the elements aquire body and thickness, which is not possible with other systems.

 

TRANSPARENCY: the dimensions of the radiant surfaces, together with the substantial lack of an acoustic box and with the absence of crossover, allow an airy sound and unmatched transparency, without spoiling the richness and fullness of the sound.

 

The Theory of MULTIPOLAR Systems

 

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