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
NO WALL: No Back Seats
1: Steve Harrington-Team Hz Addiction / Total Average Score= 157.42dB
20Hz= 155.90dB / 25Hz= 157.90dB / 33Hz= 158.20dB / 40Hz= 156.90 / Peak= 158.20@ 33Hz
2: 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
3: Daniel Bulman- Team Hz Addiction/Total Average Score= 154.60dB
5: Ashley Booth- 8x SA Z12"/ Total Average Score= 152.60dB
20Hz= 152.10dB / 25Hz= 154.20dB / 33Hz= 155.80dB / 40Hz= 155.10dB / Peak= 155.80 @ 33Hz
20Hz= 151.40dB / 25Hz= 153.30dB / 33Hz= 152.70dB / 40Hz= 152.30dB / Peak= 153.30 @ 25Hz
20Hz= 148.50dB / 25Hz= 152.70dB / 33Hz= 153.40dB / 40Hz= 150.10dB / Peak= 153.40 @ 33Hz
9:Ross Waterhouse - Team Waffle / Total Average Score= 151.42dB
20Hz= 149.00dB / 25Hz= 151.10dB / 33Hz= 152.40dB / 40Hz= 152.00dB / Peak= 152.40 @ 33Hz
20Hz= 151.00dB / 25Hz= 152.50dB / 33Hz= 152.50dB / 40Hz= 149.30dB / Peak= 152.50 @ 25Hz
4: Don Baker- Team Suffolk Bass/ Total Average Score= 153.00dB
20Hz= 150.60dB / 25Hz= 152.50dB / 33Hz= 154.30dB / 40Hz= 153.80dB / Peak= 154.30 @ 33Hz
6: Rob Verstappen- Seat Ibiza/ Total Average Score= 152.05dB
20Hz= 148.80dB / 25Hz= 152.60dB / 33Hz= 153.13dB / 40Hz= 152.61dB / Peak= 153.13 @ 33Hz
20Hz= 148.40dB / 25Hz= 152.90dB / 33Hz= 151.50dB / 40Hz= 148.20dB / Peak= 152.90 @ 25Hz
10: Ed Elson - Team Ice / Total Average Score= 150.70 dB
7: Ashley Booth- 8x SA 10" / Total Average Score= 151.62dB
8: Ashley Booth- 4x SA Z15"/ Total Average Score= 151.56dB