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6-2 All loudspeaker enclosures, and / or baffle boards, with the exception of those mounted in the kick-panels or doors, shall be located behind an imaginary plane that stretches from the trailing edge of the driver’s door to the trailing edge of the passenger door. In this rulebook, the terms “B-Pillar” and “Doorjamb” are sometimes used when referring to this imaginary plane.
Additional Guidelines:
· Compliance with this rule may be verified by using the following test: Two judges position themselves on opposite sides of the vehicle. A string (or wire) is passed through the open doors of the vehicle. Both judges pull the string so that it is taught. Next, the judges move the string in unison so that the string slides along the trailing edge of each judge’s respective doorjamb. If the string does not touch the enclosure (or loudspeakers), then the test passes.
· Any components that are attached to the loudspeaker enclosure, including speakers, amplifiers, signal processors, etc., are considered to be a part of the loudspeaker enclosure.
· If any portion of the competitor’s installation interferes with the judge’s ability to perform the “string test”, then the interfering obstruction must be easily removable.
String Test – Two judges position themselves on opposite sides of the vehicle. A string (or wire) is passed through the open doors of the vehicle. Both judges pull the string so that it is taught. Next, the judges move the string in unison so that the string slides along the trailing edge of each judge’s respective doorjamb. If the string does not touch the enclosure (or loudspeakers), then the test passes. (The specifics for this rule may be found in section 6-2.)
-------------------- Team DD Belgium - Dieter 2004: 153.2dB @ dB-Drag Street A certified 2005: 156,5dB @ dB-Drag Street A certified / 159.1dB @ IDBL Stock 1 worldrecord 2006:157.5 dB @ dB-Drag Street A certified 2007: 158.2 dB Worldrecord Street A / 158.3 dB @ dB-Drag Street A certified 2008: Benelux dB-drag judge Posts: 609 | From: Belgium | Registered: Sep 2003
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