help with make'n a bandpass box...newbie here..

[Tryin2bump 10+ year member]

Anybody have any ideas on how to make a good bandpass box.....i would like to make my own but have no cluew where to start......i only have 1 RFP3412 HE sub and a RFP X150 amp.......any help would be great .....thanx...

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[Andy_92GM 10+ year member]

first off the subwoofer should've brought a sheet with the specs for difrent boxes, if not I'm sure there website has more info on this. Just curious why bandpass, there extremely efficient design but they have that one note bass sound, and very narrow frequency response. Also bandpass boxes are not very forgiving if you make error either on box size or port size. You could go with ported, a little less efficient but better sound then a bandpass. Just a few thigns I thought you should know, If you don't find any specs for a box email me I'll be glad to help you out, I'll get my hands on the box design if your having trouble.