SPL Testing @ Ultra Low Frequencies                  Testing your car audio system  at its Peak SPL and at four set frequencies of  40Hz   33Hz   25Hz   20Hz  ////////////   The pd SPL format started booming in the U.K. in 2008.  Created by Marcos H Barnes A.K.A. Mega Heavy Bass. A former SPL competitor.//////////  dB readings are taken from the vehicles Head Rest    The doors and windows are allowed to be opened.   Like to know more?       ...Then please feel free to browse this site.       Thank You For Your Interest.           Copyright 2014 by "Marcos H Barnes"
Copyright 2014 by "Marcos H Barnes" 
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Welcome to             The SPL format for Ultra Low Frequency Car Audio systems
BOOT BOOMERS 4: 4x 8"  - 4x 10" - 2x 12" - 1x 15" Sub Woofer
1: Maurice De Kovel - Fiat Punto / Total Average Score=149.102dB
20Hz= 146.32dB / 25Hz= 149.74dB / 33Hz= 150.13dB / 40Hz= 149.19 / Peak= 150.13 @ 33Hz
2: Andy Duong - Team VXIncar / Total Average Score= 148.32dB
20Hz= 146.50dB / 25Hz= 149.00dB / 33Hz= 149.90dB / 40Hz= 146.30dB / Peak= 149.9 @ 33Hz
3: Mushy - Team Hz Addiction / Total Average Score= 146.94dB
5: Bami Weet Ik Niet - Seat Ibiza/ Total Average Score= 145.86dB
7: Alexander Roeken- Volvo V40/ Total Average Score= 145.10dB
20Hz= 147.00dB / 25Hz= 148.70dB / 33Hz= 147.60dB / 40Hz= 142.70dB / Peak= 148.70 @ 25Hz
20Hz= 140.63dB / 25Hz= 146.22dB / 33Hz= 147.53dB / 40Hz= 147.43dB / Peak= 147.53 @ 33Hz
20Hz= 136.70dB / 25Hz= 142.20dB / 33Hz= 147.80dB / 40Hz= 149.40dB / Peak= 149.40 @ 40Hz
8: Ferdinand Aalders - Opel Astra / Total Average Score= 145.06dB
9: Mushy - Team Hz Addiction  / Total Average Score= 144.66dB
20Hz= 138.10dB / 25Hz= 145.10dB / 33Hz= 148.30dB / 40Hz= 145.50dB / Peak= 148.30 @ 33Hz
20Hz= 141.20dB / 25Hz= 146.10dB / 33Hz= 146.80dB / 40Hz= 142.40dB / Peak= 146.80 @ 33Hz
4: Andre Boeve - Mk5 Golf / Total Average Score= 146.82dB
20Hz= 142.28dB / 25Hz= 143.98dB / 33Hz= 149.99dB / 40Hz= 147.89dB / Peak= 149.99 @ 33Hz
6: Connie - Team VXIncar / Total Average Score= 145.40dB
20Hz= 143.40dB / 25Hz= 146.30dB / 33Hz= 146.90dB / 40Hz= 143.80dB / Peak= 146.90 @ 33Hz
20Hz= 143.51dB / 25Hz= 146.78dB / 33Hz= 144.17dB / 40Hz= 141.87dB / Peak= 146.78 @ 25Hz
10: Roy Thielens- VW Golf  / Total Average Score= 144.62 dB
20Hz= 144.50dB / 25Hz= 146.00dB / 33Hz= 146.50dB / 40Hz= 141.80dB / Peak= 146.50 @ 33Hz
8: Anthony Rowels - Golf Mk5 / Total Average Score= 145.06dB