heart Cubo 15

10 years 1 month ago #9192 by rob.parkinson
Replied by rob.parkinson on topic Cubo 15
hello. im about to begin building 2 of these for a small upstart system in manchester and i have a question. what do you recon to using eminence Delta 15A LFs instead of the kappas? (money is an issue but if its gona make a big difference ill go with the kappas)

also i don't suppose anyone could recommend some plans for some tops to go with a pair of these babies??

cheers

rob.p

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10 years 1 month ago #9193 by CORTas
Replied by CORTas on topic Cubo 15
What do you think of the speaker RCF S800?
http://www.usspeaker.com/rcf%20-%20L15S800-1.htm

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10 years 1 month ago #9194 by COZY PILLOW
Replied by COZY PILLOW on topic Cubo 15
This cabinet is so versatile that almost any driver will work but,,,, the length of the horn panel may need to be altered. If you pm the designer he will tell you wheather you require the extended version or the standard.

I built 2 Cubo 18 cabs with with DeltaPro18A's and they are amazing. I also built 2 Cubo 15 cabs with Kappa 15LFA's and they are also amazing. There is a very slight difference in SPL between the 18's and the 15's but, it really is not that noticeable. Both these cabs have an unbelievable throw and sound quality compared to standard reflex cabs.

You won't be disappointed!!!!!!!!! smiley20 smiley20 smiley20

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10 years 1 month ago #9199 by CORTas
Replied by CORTas on topic Cubo 15
:clap: :clap: :clap: thank you very much

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10 years 1 month ago #9226 by Cubo15
Replied by Cubo15 on topic Cubo 15

the 3015lf or the 15lf

They’re both equipped with a 3” VC, almost same gap depth, similar Fs/Qts/Vas. I fit comes to displacing air my money is on the 3015LF, but apperently it lost some power handling capabilities in the proces. Eminence keeps power compression number hidden, so it’s a hard guess. I reccon they’re about even as long as they’re not getting much above 800-900 Watts program. The 3015LF might handles ome more RQ though, or a lower HP.


What do you think of the speaker RCF S800? Nice speaker. Not the cutting edge but an definate upgrade looked upon from the Kappa 15LF. Needs a 40 Hz HP at 24 dB/octave in my opinion though.

what do you recon to using eminence Delta 15A LFs instead of the kappas? (money is an issue but if its gona make a big difference ill go with the kappas)

If money is a real issue I reccon the Delta’s will work fine. If however, we’re talking about working that one extra day, to afford the Kappa 15LF’s I would think twice;)

also i don't suppose anyone could recommend some plans for some tops to go with a pair of these babies??

Loads of plans that do a solid 80-90 Hz will do fine.

Regards

Cubo

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10 years 4 weeks ago #9229 by djyves
Replied by djyves on topic Cubo 15
Anyone has the input parameters for the cubo 15?

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10 years 4 weeks ago #9232 by bitzo
Replied by bitzo on topic Cubo 15
check the cubo12 thread I posted the akabak script easy tunable for cubo15 extended version...you have only to change angles, panel slenght, external dimensions, con earea and cone volume.

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10 years 2 weeks ago #9291 by stevep409
Replied by stevep409 on topic Cubo 15
Here's some pics of my Cubo 15 build. Thanks to Cubo, Martin and Nate for the help. I'm am impressed at the cabinets and it was a fun project!!
Attachments:

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10 years 2 weeks ago #9293 by nrpinc
Replied by nrpinc on topic Cubo 15
Very nice work. I am about to start a build with a pair myself, using the Omega Pro 15A and the extended version. Will post picks once the build starts.

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10 years 2 weeks ago #9294 by JohnnyPyro
Replied by JohnnyPyro on topic Cubo 15
Hi Mate

How would the Eminence Lab 15 work in this, has a massive xmax



LAB15
SPECIFICATION
Nominal Basket Diameter 15", 381.0mm
Nominal Impedance* 6 ohms
Power Rating
Watts 600W
Music Program 1200W
Resonance 28Hz
Usable Frequency Range 20Hz-125Hz
Sensitivity*** 88.5
Magnet Weight 160 oz.
Gap Height 0.375", 9.53mm
Voice Coil Diameter 3.0", 76.2mm

THIELE & SMALL PARAMETERS
Resonant Frequency (fs) 28Hz
Download PDF Spec Sheet


Download PDF Cabinet Design




DC Resistance (Re) 4.9
Coil Inductance (Le) 3.23mH
Mechanical Q (Qms) 5.36
Electromagnetic Q (Qes) .37
Total Q (Qts) .35
Compliance Equivalent Volume (Vas) 103.61 liters / 3.7 cu.ft.
Peak Diaphragm Displacement Volume (Vd) 968cc
Mechanical Compliance of Suspension (Cms) 0.11mm/N
BL Product (BL) 26.7 T-M
Diaphram Mass inc. Airload (Mms) 308 grams
Efficiency Bandwidth Product (EBP) 75
Maximum Linear Excursion (Xmax) 11.8mm
Surface Area of Cone (Sd) 823.7 cm2
Maximum Mechanical Limit (Xlim) 22mm

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