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need plan for 2x18 rcf lf18x451

Printed From: Speakerplans.com
Category: Plans
Forum Name: Plan Requests
Forum Description: All plan requests here
URL: https://forum.speakerplans.com/forum_posts.asp?TID=95347
Printed Date: 27 March 2026 at 2:16am
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Topic: need plan for 2x18 rcf lf18x451
Posted By: deejaypawan
Subject: need plan for 2x18 rcf lf18x451
Date Posted: 28 March 2016 at 8:50pm
i want long throw 2x18 plan for lf18x451



Replies:
Posted By: bass*en*mass
Date Posted: 28 March 2016 at 9:01pm
these drivers should be ok in most hornloaded plans you find online..
if you dont need true sub freq. build some bandpasshorns like the es18, or real front loaded horns like the SBH..


Posted By: deejaypawan
Date Posted: 04 April 2016 at 9:20pm
thank u bass*en*mass for rply..
can u suggest me which 1 is best
18 sound band pass 
ev px 2181 subscoop horn



Posted By: thirtha
Date Posted: 05 April 2016 at 1:18pm
Hi,
 
Where did you pick up the 12 drivers from? There are a lot of fakes floating around (surprising but true). If it's from Audio plus, or any of their authorised dealers, you should have the certificate of authenticity in the box + the hologram stickers on the drivers to match with the sticker on the certificate.
 
If the drivers are genuine and if you want to go in for a reflex design, a duel enclosure with a net volume of 9.75 cuft and a Fb of 37 Hz should give you a fairly linear response. Make sure the ports are huge because these drivers can push out a large amount of air.  The carpenter's skills will be put to the test because these drivers, with proper amplification can do considerable damage to the enclousure.
 
One more point I must mention, you need very good amplifiers to get the best out of these drivers. These drivers are inherently inefficent and need some serious power to push the cone. Also it would be prudent to get a good management system to run this kind of a setup.
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