Cubo 218

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   Thinking of building a couple of Cubo 218’s. Loaded with PDN1850’s. Couple of questions:
1. Would these perform better than a pair of bass reflexes?

2. Would there be a reduction in output by having the centre panel curved like in the image? Or is it best to have it flush to the front?

 https://imgur.com/a/UrI3un5 - https://imgur.com/a/UrI3un5

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DJGeno Members Profile Send Private Message Find Members Posts Add to Buddy List New Member Joined: 24 March 2018 Status: Offline Points: 8	Post Options Post Reply Quote DJGeno Report Post Thanks(0) Quote Reply Topic: Cubo 218 Posted: 26 January 2022 at 8:54pm
	Thinking of building a couple of Cubo 218’s. Loaded with PDN1850’s. Couple of questions: 1. Would these perform better than a pair of bass reflexes? 2. Would there be a reduction in output by having the centre panel curved like in the image? Or is it best to have it flush to the front? https://imgur.com/a/UrI3un5 - https://imgur.com/a/UrI3un5

DMorison Members Profile Send Private Message Find Members Posts Add to Buddy List Old Croc Joined: 14 March 2007 Location: Aberdeen Status: Offline Points: 1649	Post Options Post Reply Quote DMorison Report Post Thanks(0) Quote Reply Posted: 27 January 2022 at 2:04pm
	Depends on your definition of "perform better". They'll almost certainly go louder, but whether or not they go deeper will depend on the exact size & tuning of the BR you compare them to. Curving the centre panel shouldn't make a difference acoustically, but make sure there's still enough wood there to brace the cabinet well.

FOO Members Profile Send Private Message Find Members Posts Add to Buddy List Young Croc Joined: 23 December 2018 Location: Denmark Status: Online Points: 815	Post Options Post Reply Quote FOO Report Post Thanks(0) Quote Reply Posted: 27 January 2022 at 6:37pm
	1) Dont remove the center plate. Very important for the performance. 2) You will get more output, yes. But you will miss out on LF compared to a good BR design. 3) Dont build dual. I have made some Cubo215, and they are Heavy as fuuuu*k...! 4) If you want to try something fun, then put those PD1850 in some EV T18. Add some more bracing at baffle and throat. And have fun. Pretty surpricing output

smitske96 Members Profile Send Private Message Find Members Posts Add to Buddy List Young Croc Joined: 16 February 2016 Location: The Netherlands Status: Offline Points: 1092	Post Options Post Reply Quote smitske96 Report Post Thanks(0) Quote Reply Posted: 27 January 2022 at 6:41pm
	If you go the cubo route, i would pick the cubo sub. Extends lower but is bigger. Goes pretty loud due to the high sensitivity above 50Hz.

DJGeno Members Profile Send Private Message Find Members Posts Add to Buddy List New Member Joined: 24 March 2018 Status: Offline Points: 8	Post Options Post Reply Quote DJGeno Report Post Thanks(0) Quote Reply Posted: 27 January 2022 at 7:58pm
	Thanks for all the replies everyone. Will deffo consider the cubo sub, and the T18. Guess it would help to not be so vague in my requirement… I’m planning to have the rig mainly play tech house, but all other types of house too. So I was looking at something with punch, 40-100hz. Hoping to get to x3 218’s per side eventually, then when I need low end (when I do D&B / Bassline events) I would build some 21inch paraflex’s to add between the 2 stacks. When I did the model and looked at the weight it was already at 60kg without being loaded 😬 but I guess you can’t really expect lightweight when you want decent spl from bass, so I’ve just come to accept anything I build will be heavy. My ultimate goal is to cut down on the amount of trips I have to do, eventually all my cabs will have casters.