Cubo 15 |
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GekoMusic94
Registered User Joined: 03 February 2010 Location: Italy Status: Offline Points: 469 |
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Posted: 07 February 2010 at 10:57am |
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What do you think about this?
http://www.freespeakerplans.com/cubo-15q.html Is better than the MTH-30(http://www.freespeakerplans.com/mth-30.html)? I'm very interested to build one of these... Thanks Giacomo |
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_djk_
Old Croc Joined: 23 November 2004 Location: United States Status: Offline Points: 6002 |
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I think you will find that the TH design will be smoother, and have more low frequency output.
The TH design is easier to build as there are no angles that have to be cut (the woofer mounting board angle may be cut down with a file if need be, after it is assembled). |
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djk
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_djk_
Old Croc Joined: 23 November 2004 Location: United States Status: Offline Points: 6002 |
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A single 18" (EV design):
vs a single 12: Edited by _djk_ - 08 February 2010 at 1:57am |
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djk
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bitzo
Registered User Joined: 20 November 2007 Location: Italy Status: Offline Points: 977 |
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more than 6 meters of excursion at 50 hz?
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Centauri
Old Croc Joined: 29 November 2004 Location: Newcastle Aus Status: Offline Points: 1792 |
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Would make fitting a grille a bit difficult ...
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mobiele eenheid
Old Croc Joined: 15 August 2004 Location: Netherlands Status: Offline Points: 1568 |
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These are both designs according to Hornresp (both excursion limited): http://www.hardware-test.de/hornresp/30%20vs%2015.PNG
By the way: You're comparing an 18" EV (T18 perhaps?), quite different from the Cubo15 as shown, with a 12" tapped horn with a completly different frequency response then the MTH-30, because?!
I've simulated both enclosures at work yesterday with different drivers and came to the following conclusion:
- The MTH-30 is very well designed cabinet/driver combo, that will give the most output vs volume/weight. It has, besides the recommended 12SB30 (excellent choice btw), very little drivers to work with. It has a total volume of 132 liters. - The Cubo15 has similar sensitvity as the MTH-30 according to Hornresp. With the 3015LF it will have about 3-3,5 dB more output (again excursion based). Apart from that it will work with a large variety of drivers. It has a total volume of 238 liters. So, if your going for the MTH-30 use the recommended driver. At 264 liter for a double (two drivers) it will outperform the Cubo15 no matter what driver it uses. If you were to use a single vs. a single, my bet would be to use the Cubo15 with the 3015LF. Best regards Johan |
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FlipC
Young Croc Joined: 25 October 2007 Status: Offline Points: 654 |
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http://worldconspiracy.org/speakers/Beyma-TH
Works with quite a few drivers. I used the B&C 12PS100. Also this layout can be reduce another 10 Lt without hurting output really. So you can have a cabinet that measures 15x24x22.5 OR less that outputs 126 DB from 50-200 Hz. With 40-44Hz cut off. For size the only things I have come across to match a TH is a Hybrid ported FLH's. |
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GekoMusic94
Registered User Joined: 03 February 2010 Location: Italy Status: Offline Points: 469 |
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Ok, Thanks!!!
Now i have another question: For my tops ( http://www.youtube.com/watch?v=HmzyNi2a3f8 ) and for Drum N Bass music is better the Cubo 15 or the LMB-115 (http://www.jobst-audio.de/index2.html)? Thanks... P.S.: Sorry for the continous question but i'm very undecided ... |
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COZY PILLOW
Registered User Joined: 23 February 2009 Location: SCOTLAND Status: Offline Points: 101 |
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Is the Cubo 15 a good cab or not? would it be a good stand alone cab for small gigs for live music? would it give a good freq response and reasonable SPL compared to a single HD15? Cheers,
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COZY
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mobiele eenheid
Old Croc Joined: 15 August 2004 Location: Netherlands Status: Offline Points: 1568 |
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Cubo 15 will have higher sensitivity, produce a higher maximum output whilst producing the same low frequency response but imho these kind of cabinets are best crossed low (80 Hz -100 Hz).
Best regards Johan
Edited by mobiele eenheid - 19 February 2010 at 10:36am |
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COZY PILLOW
Registered User Joined: 23 February 2009 Location: SCOTLAND Status: Offline Points: 101 |
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Thanks for that I was looking for a sub that would cross around those frequencies anyway as I will be using full range tops anyway for small gigs. I beleive that a single HD15 would not go that low? and is not that suitable for stand alone? Could you please post the pics of the 15mm plans too. I tried to PM you the other day for these? Thanks, |
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COZY
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COZY PILLOW
Registered User Joined: 23 February 2009 Location: SCOTLAND Status: Offline Points: 101 |
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Hi Johan, Have you had a chance to sim the PD186 in the Cubo 18 or would you still recommend the Delta pro 18a. Regards, C.P.
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COZY
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