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Bezüglich der Basshörner hier noch ne alte Technik (die ich mal selbst am eigenen Leibe spüren durfte...):

Zitat:Even though early demonstrations used tuned cabinets (one cubic meter) that had a response tuned to 15 HZ, it was confirmed that very low frequencies reproduced at sound pressure leveIs of about 120DB SPL (C scale, or flat response) did indeed give the illusion of actual physical vibration and movement. This sound was also physiologically effective when used with visuals depicting earthquake actions.

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Quelle: http://www.in70mm.com/newsletter/2004/69.../about.htm