Home built speakers

Power handling: 300 watts RMS/700 watts peak
Voice coil diameter: 2"
Voice coil inductance: 1.55 mH
Nominal impedance: 8 ohms
DC resistance: 6.17 ohms
Frequency range: 40-4,000 Hz
Magnet weight: 50 oz.
Fs: 41.2 Hz
SPL: 95.8 dB 1W/1m
Vas: 9.35 cu. ft.
Qms: 7.91
Qes: .75
Qts: .69
Xmax: 4.6 mm.
Dimensions: Overall Diameter: 15-1/8"
Cutout Diameter: 14"
Mounting Depth: 5-3/4"

Did you click on the Pro Sound Drive Selection Guide link? The recommended sealed box for this speaker is 5 cubic feet. Remember however, that this is just that – a recommendation.

Plug these into Winspeakerz or an online construction calculator and see what you come up with in terms of performance for the box that you have in mind.

Remember, that when you are calculating a box to ensure that the front is big enough to take the speaker (in this case I would go for at least 19”) and that there is enough depth in the box as well. Most programs will allow you to lock one whilst you enter the second to calculate the third (based upon the volume box you are after). For example, if you lock the width at 19” and then enter the depth (say 12”) the program will determine the height. If you lock the width and enter the height, the program will calculate the depth.

For a x-over, you will want to find a common ground between the two components. For this driver, you will want to cross it over before 4K (its upper frequency range) and after (or at) 3.5K as this is the lower frequency of the horn you have selected.

However, the good thing about speaker design programs is that you can see the performance of your boxes without actually buying and building them. You can do it on the screen. If you are sold on the box design, you can try different combinations of drivers and horns until you find the best option for you.

It takes time but it can save you a lot of wasted time and money.
 

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