Newbie Discussion - Soundsystem build

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Soundsystem build

Printed From: Speakerplans.com
Category: General
Forum Name: Newbie Discussion
Forum Description: Newbie Discussion/Questions. Look less stupid here...
URL: https://forum.speakerplans.com/forum_posts.asp?TID=109060
Printed Date: 26 March 2026 at 8:43pm
Software Version: Web Wiz Forums 12.08 - https://www.webwizforums.com

Topic: Soundsystem build

Posted By: Kingsmusic
Subject: Soundsystem build
Date Posted: 04 May 2025 at 7:18pm

Hello community.
I plan to build a 4 way sound for 50 to 100 people max. outdoor setting. roots music.
My thinking for the sub section is to go with the old JBL 4520 dual cabinet with two 15'' drivers instead of a Mogale 18". I am thinking of 15's due to weight issues.
On top I plan to build a single kick section plus mid/top section (still in research).
My question is, if that setup is possible to achieve that sub in terms of dynamics.
My goal is to achieve similar energy but on a smaller scale.
I use WinISD to compare drivers with cabs but I am still learning.
I thought I should ask people here who have experience with sound.

Thanks in advvance.

Replies:

Posted By: imageoven
Date Posted: 05 May 2025 at 12:48pm

If cabinet weight is an issue, why a dual scoop cab instead of two singles?

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Keep pushing on, things are gonna get better.

Posted By: julius111
Date Posted: 06 May 2025 at 10:38am

when you read around the web most people using jbl 4520 or 4530 cabinet today are more hifi than PA oriented, where as with the superscooper you will find people using them like you intend to do

owning a 4530, i tried a few 15“ with different results, a very subjective topic i guess. and i am using the horn up to 800hz, 2 way only

i would recommend 18“ with mogale or eminence scoop, with kicks above.

Posted By: Bams
Date Posted: 07 May 2025 at 7:53am

How much i love the sound of the jbl 4530 and -20 (they define my youth in belgian clubs) they will have to work really hard to keep up with demand. we ran 2 4520's indoors and never came further as 200 people while playing regular dance music. a single 4520 will cover 50 people outdoors, but would work reallly really hard to cover more people while running as low enough..

Posted By: Bams
Date Posted: 08 May 2025 at 9:15am

funny; sold some surplus amplifiers to a guy yesterday running a roots system. he also started with 4 JBL 4530's but switched to diy 18" scoops because of the above; struggled to go loud and low enough.