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 Help
Enclosure Design & Construction
Custom Box for Truck; Size constraints - Help & Tips needed
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="Doxquzme" data-source="post: 8867562" data-attributes="member: 689267"><p>From the Massive site:</p><p></p><p>[ATTACH=full]55777[/ATTACH]</p><p></p><p>Recommended internal volume of 1.2 each AFTER dispament. When accounting for the two drivers, the brace(s) and the port displacement, the internal volume needs to be around 2.8 to 3 cubic feet. The recommended tuning frequency from the manufacturer is 38hz, I'd drop that down to around 34 hz - the driver fs is 33.2, I see no reason not to be at or 3db down from the resonant frequency of the driver. Dual flared 4 inch ports 12 to 18" long accupy around .21 to .25 cubic feet. A 3 cubic foot gross internal volume, is what you should shoot for.</p><p></p><p>If you can get the box up to 3 and tune it to 34 using dual 12x4 inch flared ports, you should be good to go.</p></blockquote><p></p>
[QUOTE="Doxquzme, post: 8867562, member: 689267"] From the Massive site: [ATTACH type="full" alt="1704158459673.png"]55777[/ATTACH] Recommended internal volume of 1.2 each AFTER dispament. When accounting for the two drivers, the brace(s) and the port displacement, the internal volume needs to be around 2.8 to 3 cubic feet. The recommended tuning frequency from the manufacturer is 38hz, I'd drop that down to around 34 hz - the driver fs is 33.2, I see no reason not to be at or 3db down from the resonant frequency of the driver. Dual flared 4 inch ports 12 to 18" long accupy around .21 to .25 cubic feet. A 3 cubic foot gross internal volume, is what you should shoot for. If you can get the box up to 3 and tune it to 34 using dual 12x4 inch flared ports, you should be good to go. [/QUOTE]
Insert quotes…
Verification
Post reply
Forum
Car Audio Help
Enclosure Design & Construction
Custom Box for Truck; Size constraints - Help & Tips needed
Top
Menu
Home
Refresh