Menu
Forum
What's new
New posts
Live Activity
Search forums
Members
Registered members
Classifieds Member Feedback
Car Audio Discussion
General Car Audio
Car Audio Build Logs
Car Audio Equipment
Subwoofers
Speakers
Amplifiers
Head Units
Car Audio Help
Wiring, Electrical and Installation
Enclosure Design & Construction
Car Audio Classifieds
Car Audio Classifieds
Car Audio Wanted
Classifieds Member Feedback
Gallery
New media
New comments
Search media
SHOP
Shop Head Units
Shop Amplifiers
Shop Speakers
Shop Subwoofers
Shop eBay Car Audio
Test
Forum
Search
Search titles only
Search titles only
Log in / Join
Search
Search titles only
Search titles only
What's new
New posts
Live Activity
Search forums
Members
Registered members
Classifieds Member Feedback
Menu
Reply to thread
Forum
Car Audio Equipment
Subwoofers
Can someone explain to me what is vacuum in a subbox.
JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding.
You are using an out of date browser. It may not display this or other websites correctly.
You should upgrade or use an
alternative browser
.
Message
<blockquote data-quote="hispls" data-source="post: 8771752" data-attributes="member: 614752"><p>The thing we are trying to avoid here is "turbulence" (my guess is you mistranslated this). </p><p></p><p>For the port to function properly you will want it to not be too close to other things that will effect the way the air column in the port vibrates and projects its sound. </p><p></p><p>You may be able to have port right next to a woofer or close to a hard surface in the vehicle and it will sound fine but performance becomes unpredictable once you add these new variables.</p><p></p><p>The way a port works is that it is a column of air being vibrated (similar principle of blowing across the top of a bottle). Try blowing across the top of a bottle and move your finger around the opening as you go, you can hear the sound change. With a port we have an opening on each side and anything too close to either opening will change the volume of air that is vibrated and also the efficiency. </p><p></p><p>I hope you can translate this enough to help.</p></blockquote><p></p>
[QUOTE="hispls, post: 8771752, member: 614752"] The thing we are trying to avoid here is "turbulence" (my guess is you mistranslated this). For the port to function properly you will want it to not be too close to other things that will effect the way the air column in the port vibrates and projects its sound. You may be able to have port right next to a woofer or close to a hard surface in the vehicle and it will sound fine but performance becomes unpredictable once you add these new variables. The way a port works is that it is a column of air being vibrated (similar principle of blowing across the top of a bottle). Try blowing across the top of a bottle and move your finger around the opening as you go, you can hear the sound change. With a port we have an opening on each side and anything too close to either opening will change the volume of air that is vibrated and also the efficiency. I hope you can translate this enough to help. [/QUOTE]
Insert quotes…
Verification
Post reply
Forum
Car Audio Equipment
Subwoofers
Can someone explain to me what is vacuum in a subbox.
Top
Menu
Home
Refresh