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MEASPL

MEASPL is the loud part of the competition series Mobile Electronics Australia operates around Australia. From sanctioned dB Drag Racing events, to MEA's own BASS BATTLE and dB DRIVE-BY competitions, MEASPL strives to bring competitors and enthusiasts across Australia together for regular events.

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MEASPL BASS BATTLE
2012 Classes, Rules & Guidelines

MEA's BASS BATTLE competition is a fair and unbiased judging format used to compare a competitor's car audio system's sound pressure level, measured in decibels (dB).

The BASS Battle competition format is the intellectual property of Mobile Electronics Australia (MEA), however permission is given for the format to be used by any individual, store or organisation. Only events organised in conjunction with MEA or with the express permission of MEA will be recognised as official events for the purpose of records and official results.

Above all else, BASS BATTLE competition should be fun and rewarding for the competitor and bring together enthusiasts in a friendly, competitive, non-biased environment.

CLASSES

STREET A
Woofers - Maximum of 1 x 12" or 2 x 10" or 3 x 8".
Batteries - Maximum of 2 x 12V automotive batteries. (Random check may be performed for ~15V).
Amplifiers - Maxiumum of 1 per subwoofer. 

STREET B
Woofers - Maximum of 1 x 15" or 2 x 12" or 4 x10" or 6 x 8"
Batteries - Maximum of 2 x 12V automotive batteries. (Random check may be performed for ~15V).
Amplifiers - Maximum of 1 per subwoofer.

INTERMEDIATE A
Woofers - Maximum of 1 x 18" or 2 x 15" or 4 x 12" or 8 x 10"
Batteries - Maximum of 5 x 12V automotive batteries. (Random check may be performed for ~15V).
Amplifiers - Maximum of 2 per subwoofer.

INTERMEDIATE B
Woofers - Maximum of 2 x 18" or 4 x 15" or 8 x 12" or 16 x 10"
Batteries - Maximum of 5 x 12V automotive batteries. (Random check may be performed for ~15V).
Amplifiers - Maximum of 2 per subwoofer.

ULTIMATE A
Woofers - Maximum of 3 any size.
Batteries - Unlimited number and voltage.
Amplifiers - Unlimited.

ULTIMATE B
Woofers - 4 or more subwoofers, any size.
Batteries - Unlimited number and voltage.
Amplifiers - Unlimited.

CLASS REGULATIONS

STREET / INTERMEDIATE CLASSES

  • Music Only, Peak Hold Competition Type.
  • All subwoofers and enclosures must adhere to the "B" Pillar guidelines.
  • No "walls" permitted.
  • Front/Rear seats may be folded during competition.
  • Rear seats may be removed.
  • Doors must be shut during competition, however 'external venting' is permitted.
  • Podiums are not permitted.

ULTIMATE CLASSES

  • Tones are permitted, but music tracks are encouraged.
  • All subwoofers and enclosures must adhere to the "B" Pillar guidelines.
  • "Walls" are permitted.
  • Front/Rear seats may be folded/removed during competition.
  • Podiums are permitted.

GLOBAL REGULATIONS

  • "Wall"- If the enclosure extended to the roof of hte vehicle via the use of trim panels or enclosure edges it will classified as a 'wall', regardless if it is sealed or not. Subwoofer enclosures are permitted to extend beyond the window line however judges discretion will apply as to the determination of a 'wall'.
  • All batteries must be securely mounted.
  • External venting is permitted only via the vehicle's front windows.
  • 'B-Pillar Rule' - No part of the subwoofer enclosure may extend forward of the leading edge of the B-Pillar. A string test may be performed by judges when to ensure no part of the enclosure extends beyond the B-Pillar.
  • Vehicles are permitted to be running during competition. Engine RPM must not exceed 2000RPM. At some events, vehicles may not be permitted to have the engine running.
  • SPL Testing sensor will be located 300mm across from the passenger side "A-Pillar" and 100mm up from the top of the dashboard.
  • There are no restrictions on the music used for competition as long as the judges determine it to be 'musical'. If one competitor used Lady Gaga and another uses Bass Mekanik then one was simply better prepared. Ultimate classes are permitted to use 'tones'.
  • All vehicles must drive into and out of the competition lanes under their own power. Jump starting of vehicles is not permitted. The vehicles must be started by batteries contained within the vehicle.
  • The use of battery chargers is permitted between competition runs provided they are safe.
  • Any illegal, dangerous or unsportsman like behaviour will result in immediate disqualification and may result in ejection from the event and banning from further events.
  • Competitors may only compete in one class per event. A competitor may however assist with other competition vehicles.

SAFETY REGULATIONS

All competition vehicles must comply with the following:

  • Cable runs must be considered 'safe' by the event judges, including adequate cable gauge. BASS Battle encourages the use of fuses on main power feeds.
  • Any cables passing through metal must make use of grommet or form of insulation.
  • All positive terminals and connections should be insulated / covered.
  • All components within the audio system must be securely mounted.
  • BASS Battle encourages the installation of a fire extinguisher within the vehicle. This rule will be compulsory in 2013 season.