Jfisher Posted April 30, 2017 Report Share Posted April 30, 2017 New to the forum and needing a little help. I am needing a vented enclosure for a pair of the P3-12's. (already have the subs) These are going under a couch on a pontoon. They will be given 600 rms each. I will coat the box in bedliner inside and out. I need them to fire up OR down because of size constraints. I believe I want to use a vented enclosure. I have two choices on location. Option A) Two seperate enclosures. Available space in each location is 8hX20wX20d Option One larger enclosure. Available space is 10hX30wX26d Thanks in advance for any advice. Link to comment Share on other sites More sharing options...
ShadeTreeMechanic Posted May 1, 2017 Report Share Posted May 1, 2017 It sounds like you don't have enough room for ported. 91 C350 Centurion conversion ( Four Door One Ton Bronco) 250A Alternator (Second Alternator Coming Soon) G65 AGM Up Front / Two G31 AGM in Back Pioneer 80PRS CT Sounds AT125.2 / CT Sounds 6.5 Strato Pro component Front Stage CT Sounds AT125.2 / Lanzar Pro 8" coax w/compression horn tweeter Rear Fill FSD 5000D 1/2 ohm (SoundQubed 7k Coming Soon) Two HDS315 Four Qubes Each 34hz (Two HDC3.118 and New Box Coming Soon) Link to comment Share on other sites More sharing options...
Jfisher Posted May 1, 2017 Author Report Share Posted May 1, 2017 Need 1.79 for each sub. Link to comment Share on other sites More sharing options...
ShadeTreeMechanic Posted May 1, 2017 Report Share Posted May 1, 2017 This was done on dbdynamixaudio website. You are going to be about 1.3 each in order to get the port in there. ON-AXIS BASS REFLEX ENCLOSURE CALCULATOR By: DB DYNAMIX AUDIO http://dbdynamixaudio.com/76/on-axis-bass-reflex-enclosure-calculator/ Conversions: 1 cubic feet 28.32 liters 1 inches 25.4 millimeters 120 sq. inches 774.19 sq. cm 28.32 liters 1 cubic feet 25.4 millimeters 1 inches 774.19 sq. cm 120 sq. cm Driver Specifications: # of Drivers: 2 FS: 26.5 hertz QTS: 0.49 VAS (Cubic Feet): 2.03 Driver Displacement: 0.106 cubic feet Enclosure Specifications: Net Volume (Cubic Feet): 2.686386863 Port Tuning: 31.156579803 hertz Port Area: 31.45 sq. inches Slot Port Width (inches): 3.7 required Recommended Tuning: 30.119426084 hertz Recommended Alignment: 7.712640584 cubic feet 21.719808179 hertz Maximum Dimensions: External Height (inches): 10 required External Width (inches): 30 required External Depth (inches): 26 required Material Thickness (inches): 0.75 required Bracing Ect. Displacement: 0 cubic feet Panel Dimensions: Top (Green): 30 X 26 Bottom (Green): 30 X 26 Front Baffle (Orange): 25.55 X 8.5 Rear Baffle (Yellow): 30 X 8.5 Side Panel (Blue): 24.5 X 8.5 Side Panel (Red): 25.25 X 8.5 Port (Teal): 20.8 X 8.5 91 C350 Centurion conversion ( Four Door One Ton Bronco) 250A Alternator (Second Alternator Coming Soon) G65 AGM Up Front / Two G31 AGM in Back Pioneer 80PRS CT Sounds AT125.2 / CT Sounds 6.5 Strato Pro component Front Stage CT Sounds AT125.2 / Lanzar Pro 8" coax w/compression horn tweeter Rear Fill FSD 5000D 1/2 ohm (SoundQubed 7k Coming Soon) Two HDS315 Four Qubes Each 34hz (Two HDC3.118 and New Box Coming Soon) Link to comment Share on other sites More sharing options...
Jfisher Posted May 1, 2017 Author Report Share Posted May 1, 2017 I can go out to as much as 36 wide but I would prefer to keep it down as much as possible. 1.79 is off the Rockford site. Pardon my ignorance but is 1.3 a no-go? Thanks for your help. Link to comment Share on other sites More sharing options...
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