Sub help needed

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   Looking for the best design for subs, need to cluster together well with no phasing, need good spl even projection for outside, good low response. 100htz and below. 
Just thought somebody on here would know a good design I could replicate easily. 
Need to cover 5000 people outside. 
Using them for live band outside Rig. 
Flying mid tops left and right. 
So just need to make one big Mono cube in the middle. 
If they can do cardioid even better. 
Thankyou. :-)

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Stephenjames Members Profile Send Private Message Find Members Posts Add to Buddy List Registered User Joined: 12 July 2007 Location: United Kingdom Status: Offline Points: 39	Post Options Post Reply Quote Stephenjames Report Post Thanks(0) Quote Reply Topic: Sub help needed Posted: 25 September 2025 at 10:20pm
	Looking for the best design for subs, need to cluster together well with no phasing, need good spl even projection for outside, good low response. 100htz and below. Just thought somebody on here would know a good design I could replicate easily. Need to cover 5000 people outside. Using them for live band outside Rig. Flying mid tops left and right. So just need to make one big Mono cube in the middle. If they can do cardioid even better. Thankyou. :-)

PISSHEAD Members Profile Send Private Message Find Members Posts Add to Buddy List Young Croc Joined: 24 July 2004 Location: West Midlands Status: Offline Points: 586	Post Options Post Reply Quote PISSHEAD Report Post Thanks(0) Quote Reply Posted: 01 October 2025 at 8:44pm
	What's your budget?...
	The 'drunken master' strikes again.

fat_brstd Members Profile Send Private Message Find Members Posts Add to Buddy List Old Croc Joined: 23 August 2008 Location: Melbourne, OZ Status: Offline Points: 2184	Post Options Post Reply Quote fat_brstd Report Post Thanks(0) Quote Reply Posted: 02 October 2025 at 12:45am
	If you want cardioid from DIY subs then the easiest route is going to be reflex boxes, and lots of them if you need to cover 5000 people with proper levels of SPL. I would probably go with double 18's with big ports, maybe even big flared ports if you can work that out.
	Adrians Wall Sound System Melbournes Rootical Warrior Roots - Dub - Steppers facebook page

Earplug Members Profile Send Private Message Find Members Posts Add to Buddy List Old Croc Joined: 03 January 2012 Location: Europe Status: Offline Points: 7752	Post Options Post Reply Quote Earplug Report Post Thanks(0) Quote Reply Posted: 02 October 2025 at 6:51am
	For live band work, it's hard to beat the MT4, but not a DIY box. Otherwise, yes 2 x 18's the way to go. G-Sub, or something like the Meyer 650.
	Earplugs Are For Wimps!

paulus Members Profile Send Private Message Find Members Posts Add to Buddy List Old Croc Joined: 14 December 2005 Location: SOUTH BIRMINGHA Status: Online Points: 3237	Post Options Post Reply Quote paulus Report Post Thanks(0) Quote Reply Posted: 02 October 2025 at 9:55am
	i would build the single b&c 18 reflex design , singles just for ease and flexibility , but could just make a double of it , we had 6 ( singles ) in an install for years with just eminence sigma 650s in and was always impressed with what we got out of them ,
	TRENDSETTER SOUND SYSTEM

GEB Members Profile Send Private Message Find Members Posts Add to Buddy List Old Croc Joined: 13 November 2009 Location: East Midlands Status: Offline Points: 2052	Post Options Post Reply Quote GEB Report Post Thanks(0) Quote Reply Posted: 02 October 2025 at 10:58am
	5000 people and 2 flying arrays is a lot to take on for someone asking such simple questions. Want to give us any budget constraints and a bit more background information? I'd recommend hiring a system in until you know exactly what's involved in providing this sort of system and any complications that may pop up. Edited by GEB - 02 October 2025 at 10:59am

Stephenjames Members Profile Send Private Message Find Members Posts Add to Buddy List Registered User Joined: 12 July 2007 Location: United Kingdom Status: Offline Points: 39	Post Options Post Reply Quote Stephenjames Report Post Thanks(0) Quote Reply Posted: 07 October 2025 at 5:39pm
	Thanks for the help. Simplest option for me, will be The speaker plans G sub dual, 18s, But before I commence on building, I have seen what looks like to be much the same thing made by box pro TP18/1600 these seem to be going for about £800 which seems too good to be true. Has anyone tried these out compared with the GSubs before I start cutting wood. :-)