F150 10's ported problem /concerns...

[Ray21 10+ year member]

im not to familiar with what "tunning to" actually does?

A lower tune (say 26-30hz) will yield a flatter response curve, better SQ. A higher tune, 32-35hz will have a larger hump in the freq. response, more output.

The vehicles transfer function/ cabin gain will determine actual frequency response... gets complicated though. lol

 

[Cali_Screw 10+ year member]

A lower tune (say 26-30hz) will yield a flatter response curve, better SQ. A higher tune, 32-35hz will have a larger hump in the freq. response, more output.

ah.. so lower is what i want then!

 

[supermaxx123 10+ year member]

see how many people actually tune below 30hz... its hard to do sometimes because of the long port needed.

 

[Ray21 10+ year member]

see how many people actually tune below 30hz... its hard to do sometimes because of the long port needed.

//content.invisioncic.com/y282845/emoticons/bigwave.gif.16324171cad2db62cf4f16568b038478.gif

Honestly I think around 32hz is perfect compromise between SQ and output. 35hz is the highest I'd tune.

Different drivers plot differently to tuning as well.

 

[supermaxx123 10+ year member]

//content.invisioncic.com/y282845/emoticons/bigwave.gif.16324171cad2db62cf4f16568b038478.gif
Honestly I think around 32hz is perfect compromise between SQ and output. 35hz is the highest I'd tune.

Different drivers plot differently to tuning as well.

26hz in a home isn't bad...//content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif

 

[Ray21 10+ year member]

26hz in a home isn't bad...//content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif

At home I have an AVA15 tuned to 16hz. //content.invisioncic.com/y282845/emoticons/naughty.gif.94359f346c0f1259df8038d60b41863e.gif

 

[GI JOEY 10+ year member]

For your port calc here ya go. Straight from the source.

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You can fit the 2 4" aeros if you side fire them. A single 4 is pretty small in port area for around 2.5 after displacements. Putting the ports on the side the start of the ports will be past the sub which will help with the unloading.