Ported Enclosures - FANE PRIME 18XS 2x18 reflex box

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FANE PRIME 18XS 2x18 reflex box

Printed From: Speakerplans.com
Category: Plans
Forum Name: Ported Enclosures
Forum Description: Post all your reflex and bandpass and 'other' boxes with holes in stuff here...
URL: https://forum.speakerplans.com/forum_posts.asp?TID=107538
Printed Date: 27 March 2026 at 4:54am
Software Version: Web Wiz Forums 12.08 - https://www.webwizforums.com

Topic: FANE PRIME 18XS 2x18 reflex box

Posted By: Aurora
Subject: FANE PRIME 18XS 2x18 reflex box
Date Posted: 06 December 2022 at 11:35pm

Hi guys looking into designs for the fane prime 18xs, i've heard it works well in a G SUB but given the box was built for drivers around 600w each at the time will it be a suitable box given drivers nowadays are now 1000w plus each? Also considered the B&C sub18 but making it 2x18 instead, would the G sub benefit from being modified to accomodate the modern more powerful drivers? Interested in thoughts!

Replies:

Posted By: paulus
Date Posted: 07 December 2022 at 12:03pm

yes indeed do not build the g sub , it is pants, the b n c design will walk all over it ,have tested the 2 side by side tho we had single b n c cabs not a double its one my fav reflex free plans tbh :) make sure you brace it well tho, them drivers really move some air

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TRENDSETTER SOUND SYSTEM

Posted By: Sinai Sound
Date Posted: 07 December 2022 at 12:05pm

I've got a B&C Sub18 (the older shelf port design)

Loaded with a B&C 18DS115-4ohm and powered from a Powersoft X4 and it's really really decent

So yes, build a double one!

Posted By: Aurora
Date Posted: 08 December 2022 at 12:01am

Thanks guys will look into the SUB18 design more, I did notice it has a distinct lack of bracing though which is a bit odd for a sub design!!

Posted By: dj jammin
Date Posted: 08 December 2022 at 9:32am

You got to work out your own bracing on many free designs.. and handles etc..

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Reverence Sound system

Posted By: FOO
Date Posted: 08 December 2022 at 10:03am

Why not Fane's own suggestion?

https://www.fane-international.com/downloads/FaneBR18XS-ReflexEnclosure111019.pdf" rel="nofollow - https://www.fane-international.com/downloads/FaneBR18XS-ReflexEnclosure111019.pdf

It's not as easy to build, but 100% designed for your drivers 🙂