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JL Audio 8w3v3 for home sub

TankTop

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My car just got totaled in an accident along with my JL audio subwoofer box. It was a ported box but I’m wondering how the speakers would do in a sealed enclosure for a subwoofer in my bedroom.


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alex-z

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Sealed 8" even in a small room won't reach low. That is a driver you will want to run in a ported box, and then high-pass below the port tuning frequency to protect the driver.
 

GXAlan

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You have the limitations of 8” and your listening room being bigger than your car. That said, the JL Audio subwoofers are really good and it’s a good way to enhance your listening experience if your primary system only has a 6” woofer for example. It’s definitely worth the time/effort in my opinion.

The JL Audio Fathom series which has glowing reviews even with a v1 amp that failed a lot (v2 is better) is basically a car automotive sub in a pretty box and fancy HT amp.
 

HammerSandwich

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0.2L Vd won't shake the room at high levels, but is that the goal in a bedroom system? Will any woofer make useful 20Hz, if peak SPL is 80dB?

@TankTop, perhaps you should add more details, such as main speakers, amp, room size, desired extension. If your goal is ~35-40Hz at moderate SPL from a smaller box (maybe 15-20L net), go for it. If you want more output later, make that box your secondary sub to address room modes, either in the bedroom or main system.
 
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