Wiseracing2 Posted December 4, 2012 Report Share Posted December 4, 2012 Im not understanding port volume, how do you know how much you need and how you find out? Thanks -1994 Dodge Dakota -Lifted -Murdered out -Pro comp beadlock rims and General Grabber At2 tires -Rockford T1D212 -Rockford 750.1 at 910w RMS -Focal Solid 4 at 75x4 -Rockford T1 6.5 up front -Rockford Punch 5x7 in rear -Sony BT38U headunit with bluetooth,etc -Rockford 4 Gauge -Singer 250 amp alt! -Race accessory HIDS _______________________________________________ -Soon to come- D3400 Kicker 2500.1 Fi BL 12[/font] Link to comment Share on other sites More sharing options...
Blackedout Posted December 4, 2012 Report Share Posted December 4, 2012 Use Torres box tuning calculator. For every cubic foot of volume, you need 12-15 sq inches of port. The length of the port determines the tuning of the port. Trunk Build Log Link to comment Share on other sites More sharing options...
Namosh Posted December 4, 2012 Report Share Posted December 4, 2012 Port volume is how much air space the port physically takes up inside the box. You find it by measuring the outside dimensions of the port. This takes away from the internal volume of the actual box. You need to know this when designing the box as it effects tuning. My Ram Quad Cab Blow-through Link to comment Share on other sites More sharing options...
Blackedout Posted December 4, 2012 Report Share Posted December 4, 2012 The port volume range of 12-15 sq inches of port per cube was found by trial and error. We can generalize it and say that the most effective boxes fall in this range. Keep in mind that it is only a guideline. Advantages of less port area: - More power handling. * Note: This assumes that the size of the box is within an acceptable range of the driver you are using. Haven't figured out the advantage of more port area yet. Someone else might be able to elaborate on this. Trunk Build Log Link to comment Share on other sites More sharing options...
tacomaguy1 Posted December 4, 2012 Report Share Posted December 4, 2012 The port volume range of 12-15 sq inches of port per cube was found by trial and error. We can generalize it and say that the most effective boxes fall in this range. Keep in mind that it is only a guideline. Advantages of less port area: - More power handling. * Note: This assumes that the size of the box is within an acceptable range of the driver you are using. Haven't figured out the advantage of more port area yet. Someone else might be able to elaborate on this. You're thinking port area not volume Team Flex Issues Link to comment Share on other sites More sharing options...
Blackedout Posted December 4, 2012 Report Share Posted December 4, 2012 Area = LxWxH Volume = LxWxH Can you distinguish what the difference is besides the frequency the port is tuned at Tacoma guy? Trunk Build Log Link to comment Share on other sites More sharing options...
MrSkippyJ Posted December 4, 2012 Report Share Posted December 4, 2012 The port volume range of 12-15 sq inches of port per cube was found by trial and error. We can generalize it and say that the most effective boxes fall in this range. Keep in mind that it is only a guideline. Advantages of less port area: - More power handling. * Note: This assumes that the size of the box is within an acceptable range of the driver you are using. Haven't figured out the advantage of more port area yet. Someone else might be able to elaborate on this. Port area is not related to box volume. F150: Stock 2019 Harley Road Glide: Amp: TM400Xad - 4 channel 400 watt Processor: DSR1 Fairing (Front) 6.5s -MMats PA601cx Lid (Rear) 6x9s - TMS69 Link to comment Share on other sites More sharing options...
MrSkippyJ Posted December 4, 2012 Report Share Posted December 4, 2012 Area = LxWxH Volume = LxWxH Can you distinguish what the difference is besides the frequency the port is tuned at Tacoma guy? area = LxW or HxW or well, you get the idea. F150: Stock 2019 Harley Road Glide: Amp: TM400Xad - 4 channel 400 watt Processor: DSR1 Fairing (Front) 6.5s -MMats PA601cx Lid (Rear) 6x9s - TMS69 Link to comment Share on other sites More sharing options...
Blackedout Posted December 4, 2012 Report Share Posted December 4, 2012 So the port isn't in the box? Trunk Build Log Link to comment Share on other sites More sharing options...
tacomaguy1 Posted December 4, 2012 Report Share Posted December 4, 2012 Area = LxWxH Volume = LxWxH Can you distinguish what the difference is besides the frequency the port is tuned at Tacoma guy? You said port.volume of 12-15 sq inches. I've never heard that, always hear port area of 12-15 sq inches Team Flex Issues Link to comment Share on other sites More sharing options...
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