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Rcf 18x451 suitable cab

Printed From: Speakerplans.com
Category: Plans
Forum Name: New Projects Forum
Forum Description: Forum for new speakerplans projects, in memory of Tony Wilkes, 1953 - 2014
URL: https://forum.speakerplans.com/forum_posts.asp?TID=109345
Printed Date: 26 March 2026 at 5:30pm
Software Version: Web Wiz Forums 12.08 - https://www.webwizforums.com

Topic: Rcf 18x451 suitable cab

Posted By: ben 13
Subject: Rcf 18x451 suitable cab
Date Posted: 01 December 2025 at 8:42am

Hi everyone

Witch design would you recomend for 18x451 driver ?

I run them in bass reflex for reggae Roots dub sound.

Would be interested increasing the effiency of my cabs. No need for 30hz, a good 40hz is low enough for reggae vibes IMO. So 40hz 80hz cab

Was thinking about

- X1 (run 4 of them 15 years ago with 18g401) driver burn getting too hot with more than 700w/cab. Would it be the same with x451 ?

- manifolded 218 bandpass from 18sound.

-any other suggestion ?

Respect

Ben

Replies:

Posted By: Bremen_99
Date Posted: 07 January 2026 at 4:53am

I am attracted to sapfx118-lw and am considering building them. Did you choose?