ojm214 Posted January 28, 2014 Report Share Posted January 28, 2014 What is the difference between 4th order and 6th order and all that? How many different orders is there? If you all could upload different pics please. Thanks in advance Link to comment Share on other sites More sharing options...
afrakes Posted January 28, 2014 Report Share Posted January 28, 2014 U will get more responses if u posted in the right section. Vehicle: 2014 GMC Sierra 2500HD WT Head Unit: Pioneer DEH- Mids/Highs: Focal Integration ISC 165’s (front) Subs/Amps: TBD Link to comment Share on other sites More sharing options...
bbeljefe Posted January 28, 2014 Report Share Posted January 28, 2014 Calling a bandpass box a 4th, 6th or 8th order box has to do with the relationship between the acoustical cutoff slopes of the particular alignments and those of passive electronic filters and crossovers. In a 1st order crossover, the cutoff slope is 6dB per octave. In a 4th order crossover, the cutoff slope is 24dB per octave. So, a 4th order bandpass is a box in which the frequency response falls off at 24dB per octave, as a result of how the alignment affects the frequency response of the driver(s) in it. In the end, not all sealed/ported bandpass boxes behave as 4th order filters and not all ported/ported bandpass boxes behave as 6th or 8th order filters (although they are close) but, that's what they've come to be called so that's what we call them. ;-) Facebook: facebook.com/audioanarchyllc Instagram: audioanarchyllc Youtube: youtube.com/bbeljefe Link to comment Share on other sites More sharing options...
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