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.
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Copyright © 2011 by "Marcos H Barnes"
Copyright © 2013 by "Marcos H Barnes"
The SPL format for Ultra Low Frequency Car Audio systems
Contact: Marcos Barnes.
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