Log in
Register
Home
Forums
New posts
Search forums
What's new
New posts
New profile posts
Latest activity
News
Members
Current visitors
New profile posts
Search profile posts
Features
Log in
Register
Search
Search titles only
By:
Search titles only
By:
New posts
Search forums
Menu
Install the app
Install
Reply to thread
Home
Forums
Low Earth Orbit
DIY Audio
PM 60 & 90 settings and alternative drivers.
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="Peter Morris" data-source="post: 212696" data-attributes="member: 652"><p>These drivers all look good -</p><p></p><p>- RCF MB12N301 & MB12N351</p><p></p><p>- B&C 12NDL76</p><p></p><p>- FaitalPro 12FH500 & 520</p><p></p><p>- Eighteen Sound 12ND830</p><p></p><p></p><p>B&C 12NDL88 is an excellent driver but T/S parameter are not ideal for this box, but it should work.</p><p></p><p>You need a driver that is suited for horn loading (in this box). Typically it needs a high BL product and relatively low moving mass. It must also have sufficent Xmax to be able to produce full SPL with a nominal crossover point of 100Hz.</p><p></p><p>If you choose a driver that is designed for bass applications the response will typically have large peaks and troughs in this horn.</p><p></p><p>Newer drivers designed with FEA optimized magnetic circuits, demodulating ring(s) to reduce distortion, optimized non-linear behaviour etc. will be better.</p><p></p><p>Here is an example of the tests and measurement that you can do - <a href="https://www.audioxpress.com/article/test-bench-b-c-speakers-21ds115-21-inch-woofer" target="_blank">https://www.audioxpress.com/article/test-bench-b-c-speakers-21ds115-21-inch-woofer</a> (an excellent B&C 21" bass driver)</p></blockquote><p></p>
[QUOTE="Peter Morris, post: 212696, member: 652"] These drivers all look good - - RCF MB12N301 & MB12N351 - B&C 12NDL76 - FaitalPro 12FH500 & 520 - Eighteen Sound 12ND830 B&C 12NDL88 is an excellent driver but T/S parameter are not ideal for this box, but it should work. You need a driver that is suited for horn loading (in this box). Typically it needs a high BL product and relatively low moving mass. It must also have sufficent Xmax to be able to produce full SPL with a nominal crossover point of 100Hz. If you choose a driver that is designed for bass applications the response will typically have large peaks and troughs in this horn. Newer drivers designed with FEA optimized magnetic circuits, demodulating ring(s) to reduce distortion, optimized non-linear behaviour etc. will be better. Here is an example of the tests and measurement that you can do - [URL]https://www.audioxpress.com/article/test-bench-b-c-speakers-21ds115-21-inch-woofer[/URL] (an excellent B&C 21" bass driver) [/QUOTE]
Insert quotes…
Verification
Post reply
Home
Forums
Low Earth Orbit
DIY Audio
PM 60 & 90 settings and alternative drivers.
Top
Bottom
Sign-up
or
log in
to join the discussion today!