Ive been reading the wo support forum pages and am unsure of the required sealed wedge volume for my 29" by 36" by 13.5" WO. I just want confirmation from the wo pros before I fire this thing up. I explain what calculations I came up with below and want to know if its correct.
I also wanna add that I am attempting to use this WO for a mobile dj setup for small sized venues. I own two mackie srm450 version 1's that need a subwoofer BADLY to help improve the sound. HOPEFULLY!
The driver I have ordered has been recommended by some. Here is the link:
http://www.parts-express.com/pe/showdetl.cfm?Partnumber=295-110Now I have been reading that I need to "model a regular 4th order single reflex box to determine the rear (sealed) chamber," so I went to this online calculator:
http://www.colomar.com/cgi-bin/4thorder_procand came up with these results:
1) Speaker Parameters
Diameter: 10.00 (inches)
Qts: 0.31
Fs: 41.10 (Hz)
Vas: 1.72 (cubic feet)
= 48.69 (liters)
S: 0.70 (response curve - .4 thru .7)
2) 4th Order Bandpass Cabinet Parameters
Lower 3db Rolloff: 35.00 Hz (F3 Provided by user)
High 3db Rolloff: 130.54 Hz (Calculated)
Sealed Box: 1.01 cubic feet
= 1742.60 cubic inches
= 28.56 liters
Ported Box: 0.32 cubic feet
= 559.53 cubic inches
= 9.17 liters
Tuning Frequency: 67.59 Hz
So I have to make the sealed wedge volume 1.01 cubic ft. , after calculating in speaker and brace volume displacement, CORRECT?? Am I right?
As far as the ported box part goes, there is no ported box section on the wo, its like a horn...I mean there is no tube to port it. So I dont know how to use that figure.
What is tuning freq?
Looking at the pdf specification paper for this woofer, do you think it will perform well as a subwoofer for my app, because lower frequencies for hiphop and dance music is what I am after. Or should I have purchased a SUB woofer?
I plan on connecting from my dj mixer aux out, to an old numark 10 band eq [lower the high and raise the lower freqs], then output to a qsc, behringer, or mackie fr type of pa amplifier that puts out 250 rms at 8ohms per channel.
This is my attempt to improve my dj setup on a budget! Im looking at $160 for the 2 drivers and prob will spend atleast 200 for a good used amp. I don't think Ill need a crossover, I hope not!
ANY thoughts on this would be awesome. The party is going down this 19th, and I am so excited to hear what the WO will do.