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
1: Sander Meufels- Renault Kangoo / Total Average Score= 159.45dB
20Hz= 157.62dB / 25Hz= 159.15dB / 33Hz= 160.25dB / 40Hz= 160.02 / Peak= 160.25 @ 33Hz
2: Wayne Higley- 6x 15" Flat Wall / Total Average Score= 158.74dB
20Hz= 156.20dB / 25Hz= 158.30dB / 33Hz= 159.80dB / 40Hz= 159.60dB / Peak= 159.80 @ 33Hz
3: Mark Smith- Team Ice / Total Average Score= 158.66dB
5: Michel Jansen- Opel Astra/ Total Average Score= 157.81dB
8: Matt Sprigg - Project BIG Black / Total Average Score= 156.80dB
20Hz= 157.10dB / 25Hz= 158.30dB / 33Hz= 159.70dB / 40Hz= 158.50dB / Peak= 159.70 @ 33Hz
20Hz= 154.64dB / 25Hz= 157.03dB / 33Hz= 159.95dB / 40Hz= 157.50dB / Peak= 159.95 @ 33Hz
20Hz= 156.30dB / 25Hz= 157.00dB / 33Hz= 157.00dB / 40Hz= 156.70dB / Peak= 157.00 @ 25Hz
9: Steve Salisbury- Team Waffle/ Total Average Score= 156.66dB
20Hz= 154.70dB / 25Hz= 156.60dB / 33Hz= 157.60dB / 40Hz= 156.80dB / Peak= 157.60 @ 33Hz
4: Wayne Higley- 6x 15" Tunnel/ Total Average Score= 158.48dB
20Hz= 153.70dB / 25Hz= 158.20dB / 33Hz= 160.20dB / 40Hz= 160.10dB / Peak= 160.20 @ 33Hz
7: Jason D-Team Waffle / Total Average Score= 157.40dB
20Hz= 154.70dB / 25Hz= 156.90dB / 33Hz= 159.20dB / 40Hz= 157.20dB / Peak= 159.20 @ 33Hz
6: Steve Harrington-Team Hz Addiction/ Total Average Score= 157.42dB
20Hz= 155.90dB / 25Hz= 157.90dB / 33Hz= 158.20dB / 40Hz= 156.90dB / Peak= 158.20 @ 33Hz
NO WALL System
NO WALL System
10: Cornelis Keizer- Fiat Panda / Total Average Score= 156.55dB
20Hz= 150.41dB / 25Hz= 156.89dB / 33Hz= 158.32dB / 40Hz= 158.57dB / Peak= 158.57 @ 40Hz