been looking in to this db thing and its got to be done to db A
went to my mates tonight and got this db meter its a top of the line super duper calibrated thingy. im guessing it will be more accurate than the one vosa use as they use this puppie on planes as they have to keep them under a certain db so they dont piss off the people living around the field.
luckily the patch is totally waterlogged at the moment so i can keep hold of it for a wile
p.s it looks expensive so i better be careful with it.
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