Hole Port
Hole Port
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![]() Kickport Soundport for Bass Drum - Chrome List Price: Sale Price: $36.96 You save: $28.03 (43%) Eligible for free shipping!Availability: Usually ships in 1-2 business days See Reviews For This Product |
![]() Kickport Soundport for Bass Drum - White List Price: Sale Price: $33.96 You save: $26.03 (43%) Eligible for free shipping!Availability: Usually ships in 1-2 business days See Reviews For This Product |
![]() Kickport Soundport for Bass Drum - Chrome List Price: Sale Price: $36.96 You save: $28.03 (43%) Eligible for free shipping!Availability: Usually ships in 1-2 business days See Reviews For This Product |
help on the sub box port hole?
i have been doing some maths
lool
Right.... i have a sub box that is 2.8cu.ft i want the box to be tuned at 27hertz so the port hole has to be 0.5 inches by 18.5 but it says the port length has to be 9 inches long, i understand all this but the box has a sloping back so do i have a rectangle peice of wood that is 18.5 by 9 inches so that will be the port lengh.... am i correct?
It's a 15" legacy 4000 watt sub
.5 is REALLY narrow...there is a very high likelihood of chuffing (port noise) with a port that narrow. I would look to make the port 2" wide for good sound quality (you'll have to adjust the length accordingly).
Your best bet would be to build a right-angle slot...so have it go back several inches then to the right or left several inches...or if the box is wide, you can build the slot into the side of the enclosure and have it extend over to the other side. I remember you saying that the sub didn't play very deep so you may not be able to tune it that low without it sounding like a$$. What sub do you have?...I may be able to recommend a tuning frequency.
***************************
Legacy isn't exactly known for having high sound-quality or deep bass. Honestly I don't think you could tune that enclosure lower than about 35hz. Deep bass isn't cheap...you need a good sub, a good amp with a 24db crossover, a well-built enclosure; even then (depending on the vehicle) you may need a ported enclosure, a bandpass enclosure, a down-firing enclosure etc.; but at a minimum you'll need better equipment to get truly deep bass.
If you still want to make a ported box for the legacy by all means go for it (if nothing else, it will help you improve your box-building skills)...but like I said don't tune it too low and don't expect a big increase in bass depth; although it may sound a little deeper and should definitely give you more SPL.
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help on the sub box port hole?
i have been doing some maths
lool
Right.... i have a sub box that is 2.8cu.ft i want the box to be tuned at 27hertz so the port hole has to be 0.5 inches by 18.5 but it says the port length has to be 9 inches long, i understand all this but the box has a sloping back so do i have a rectangle peice of wood that is 18.5 by 9 inches so that will be the port lengh.... am i correct?
It's a 15" legacy 4000 watt sub
.5 is REALLY narrow...there is a very high likelihood of chuffing (port noise) with a port that narrow. I would look to make the port 2" wide for good sound quality (you'll have to adjust the length accordingly).
Your best bet would be to build a right-angle slot...so have it go back several inches then to the right or left several inches...or if the box is wide, you can build the slot into the side of the enclosure and have it extend over to the other side. I remember you saying that the sub didn't play very deep so you may not be able to tune it that low without it sounding like a$$. What sub do you have?...I may be able to recommend a tuning frequency.
***************************
Legacy isn't exactly known for having high sound-quality or deep bass. Honestly I don't think you could tune that enclosure lower than about 35hz. Deep bass isn't cheap...you need a good sub, a good amp with a 24db crossover, a well-built enclosure; even then (depending on the vehicle) you may need a ported enclosure, a bandpass enclosure, a down-firing enclosure etc.; but at a minimum you'll need better equipment to get truly deep bass.
If you still want to make a ported box for the legacy by all means go for it (if nothing else, it will help you improve your box-building skills)...but like I said don't tune it too low and don't expect a big increase in bass depth; although it may sound a little deeper and should definitely give you more SPL.
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