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Looking for help designing a enclosure for 2 10" for Home use


TrentonLong

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Posted

I have one Sony 10" using it for home use in a sealed box. I thought I could buy one more and build a ported enclosure for 2 10s. I came up with this design. Could someone extend this design and add a port to the top or bottom, which ever one will put out better. Here is the design I was thinking. I listen to Rap/Hip-Hop, Dubstep, and Country. That should help with tuning

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Edit:

Here is a download for the model I made.

https://mega.co.nz/#!lMpkTAKR!Fp3ZWVWXaAOFVTfDxhH81F84ISFuxoDTh_1-HKZStF8

Posted

If you are going to build a dual driver sub for home use you might want to consider building it as a dual opposed design or a push-pull slot loaded design. Both of which will cancel out any unwanted vibration coming off the drivers. The push-pull slot loading will also cancel out non-linear distortion.

"Nothing prevents people from knowing the truth more than the belief they already know it."
"Making bass is easy, making music is the hard part."

Builds:

U7qkMTL.jpg  LgPgE9w.jpg  Od2G3u1.jpg  xMyLoO1.jpg  9pAlXUK.jpg

Posted

If you are going to build a dual driver sub for home use you might want to consider building it as a dual opposed design or a push-pull slot loaded design. Both of which will cancel out any unwanted vibration coming off the drivers. The push-pull slot loading will also cancel out non-linear distortion.

Sorry, But can you show me an example of a "dual opposed design"?

Posted

Save your money on the second sub and build a ¼ wave transmission line.

Well... that is, if you don't live in an apartment. Cause that could get you evicted.

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Posted

Sorry, But can you show me an example of a "dual opposed design"?

Subkast_1_crop.png

Its any box that has the drivers facing out on opposite sides.

"Nothing prevents people from knowing the truth more than the belief they already know it."
"Making bass is easy, making music is the hard part."

Builds:

U7qkMTL.jpg  LgPgE9w.jpg  Od2G3u1.jpg  xMyLoO1.jpg  9pAlXUK.jpg

Posted

Just curious, but you'd wire one of those subs 180° out of phase right, just like a standard push/pull?

No, since both subs are facing out you wire them in phase.

"Nothing prevents people from knowing the truth more than the belief they already know it."
"Making bass is easy, making music is the hard part."

Builds:

U7qkMTL.jpg  LgPgE9w.jpg  Od2G3u1.jpg  xMyLoO1.jpg  9pAlXUK.jpg

Posted

Then they world push opposite directions, wouldnt they? Causing them to fight each other?

Yes they both push out in opposite directions, but don't think of it as what direction they are moving, think of it as what space they are putting pressure to. They both put pressure to the space outside the box at the same time when they move out, and the inside of the box when they move in. Its the opposite linear motion of the cones that cancels out any linear vibration, but the pressure waves created from each driver are added together, just like with any other box with more than one driver.

There are boxes with drivers on opposite sides that are wired out of phase, its called a dipole speaker. They are not used for low frequencies though since they do cancel each other out once you get to a low enough frequency.

"Nothing prevents people from knowing the truth more than the belief they already know it."
"Making bass is easy, making music is the hard part."

Builds:

U7qkMTL.jpg  LgPgE9w.jpg  Od2G3u1.jpg  xMyLoO1.jpg  9pAlXUK.jpg

Posted

OP do you have a model for the sub AND are you confident you can get another identical one? and what amp are you using?

Sony subs I know probably are not worth doing anything with them, also home audio amps don't usually have low pass filters but let's see.

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