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 1: Single 8" or Single 10" Sub Woofer
1: Danny Boeve - Audi A3 / Total Average Score= 144.01dB
20Hz= 138.67dB / 25Hz= 143.73dB / 33Hz= 147.10dB / 40Hz= 143.48 / Peak= 147.10 @ 33Hz
2: Mathijs Willemse - Audi A3 / Total Average Score= 143.93dB
20Hz= 136.47dB / 25Hz= 143.03dB / 33Hz= 148.09dB / 40Hz= 143.97dB / Peak= 148.09 @ 33Hz
3: Nik De Man - Ford Fiesta / Total Average Score= 140.43dB
5: Chris Baker - Team Hz Addiction / Total Average Score= 139.20dB
7: Martin - Team Suffolk Bass / Total Average Score= 138.30dB
20Hz= 133.81dB / 25Hz= 138.71dB / 33Hz= 143.87dB / 40Hz= 141.89dB / Peak= 143.87 @ 33Hz
20Hz= 134.70dB / 25Hz= 140.90dB / 33Hz= 140.90dB / 40Hz= 138.80dB / Peak= 140.90 @ 25Hz
20Hz= 128.00dB / 25Hz= 139.20dB / 33Hz= 142.00dB / 40Hz= 140.70dB / Peak= 142.00 @ 33Hz
8: Andy Van Gurp - Fiat Punto / Total Average Score= 138.20dB
9: Adrian Glogowski - Seat Ibiza  / Total Average Score= 135.67dB
20Hz= 132.20dB / 25Hz= 138.30dB / 33Hz= 141.50dB / 40Hz= 137.50dB / Peak= 141.50 @ 33Hz
20Hz= 129.99dB / 25Hz= 134.89dB / 33Hz= 139.27dB / 40Hz= 134.93dB / Peak= 139.27 @ 33Hz
4: Peter Van Dongen - Seat Ibiza / Total Average Score= 139.50dB
20Hz= 137.30dB / 25Hz= 139.50dB / 33Hz= 141.60dB / 40Hz= 137.50dB / Peak= 141.60 @ 33Hz
6: Ricardo De Wit - Honda CRX / Total Average Score= 138.74dB
20Hz= 131.40dB / 25Hz= 139.90dB / 33Hz= 142.30dB / 40Hz= 137.80dB / Peak= 142.30 @ 33Hz
20Hz= 131.20dB / 25Hz= 133.77dB / 33Hz= 137.77dB / 40Hz= 136.91dB / Peak= 137.77 @ 33Hz
10: Tejo Sloots - Seat Toledo  / Total Average Score= 135.48dB