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Enclosure Design & Construction
Sealed vs Ported vs Passive Radiator
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<blockquote data-quote="jockhater2" data-source="post: 8044071" data-attributes="member: 636023"><p>I found this when I searched it. <strong>Can someone help me understand it a little better.</strong> Basically dumb it down for me. I guess my big question is. Passive radiator vs Ported. What are some pro and cons.</p><p></p><p>This is what I found when I googled it.</p><p>"From another sealed vs ported discussion</p><p></p><p>The design choice depends on $$$/driver/footprint and power available.</p><p></p><p>The important differences are .</p><p></p><p>1. Ported designs need less power to produce output down to their tuning point.</p><p>2. Ported designs have better output at their tuning frequency then sealed design when driver/amp are similar.</p><p>3. Sealed designs have more output below and above the tuning of a ported design.</p><p>4. Sealed designs can inherently protect the driver from over excursion if the box is small enough. Ported designs need a SubSonicFilter to protect the driver.</p><p>5. Sealed designs need far greater power to achieve high SPL down low because there is a HUGE boost down low to get output.</p><p>6. Audiophile myths like tighter bass are not worthy of any science discussion. Of course a port introduces more noise into the design.</p><p></p><p></p><p></p><p>The difference between ported and Passive Radiator is pretty simple.</p><p></p><p>1. PR allows for a smaller box with same tuning point.</p><p>2. PR offers less noise (NO port chuffing, etc).</p><p>3. PR costs a little more $$$ vs ported</p><p>4. Ported box will have a little higher max SPL vs same amp/driver in a PR design."</p><p></p><p></p><p> @pro\-rabbit ; [USER=637354]@double 07[/USER] ;</p><p> [USER=618111]@TaylorFade[/USER] ; [USER=576029]@keep_hope_alive[/USER] ;</p></blockquote><p></p>
[QUOTE="jockhater2, post: 8044071, member: 636023"] I found this when I searched it. [B]Can someone help me understand it a little better.[/B] Basically dumb it down for me. I guess my big question is. Passive radiator vs Ported. What are some pro and cons. This is what I found when I googled it. "From another sealed vs ported discussion The design choice depends on $$$/driver/footprint and power available. The important differences are . 1. Ported designs need less power to produce output down to their tuning point. 2. Ported designs have better output at their tuning frequency then sealed design when driver/amp are similar. 3. Sealed designs have more output below and above the tuning of a ported design. 4. Sealed designs can inherently protect the driver from over excursion if the box is small enough. Ported designs need a SubSonicFilter to protect the driver. 5. Sealed designs need far greater power to achieve high SPL down low because there is a HUGE boost down low to get output. 6. Audiophile myths like tighter bass are not worthy of any science discussion. Of course a port introduces more noise into the design. The difference between ported and Passive Radiator is pretty simple. 1. PR allows for a smaller box with same tuning point. 2. PR offers less noise (NO port chuffing, etc). 3. PR costs a little more $$$ vs ported 4. Ported box will have a little higher max SPL vs same amp/driver in a PR design." @pro\-rabbit ; [USER=637354]@double 07[/USER] ; [USER=618111]@TaylorFade[/USER] ; [USER=576029]@keep_hope_alive[/USER] ; [/QUOTE]
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