Sundown Audio X-Series 18" 2000W X-18 Subwoofer

Sundown AudioSKU: SW-XV318D2

Price:
Sale price$799.99
Stock:
In stock

Description

The X v.3 series is the entry into the Sundown Audio “ultra-high excursion” suspension and frame designs. They all feature our custom tooled and patented frames (US Patent Numbers D691596, D691597, D691598, and D741841).

We mate these new platforms to a triple stacked 225mm (8.86”) diameter motor structure featuring a hyper-extended pole and extreme clearances (allowing up to 4″ p-p travel before mechanical bottom). This motor drives a 3″ diameter 4-layer flat aluminum coil wound on a thick aluminum former to incredible levels of excursion. This is the same coil design utilized in the NS v.3 and Z v.5 series in the past. It is a proven coil with monstrous power handling potential. The combination of coil and updated motor for the X v.3 series brings its performance in terms of motor force to about 85% of the level of the previous generation Z v.5 series! So this makes the X v.3 an incredible value.

The X v.3 series was designed from the ground-up to become the new standard in the low-frequency / small ported box subwoofer category in this price range. They will work in the same small enclosures that you are used to using for Sundown Audio subwoofers, although, the will tolerate enclosures up to about 50% larger than those if you desire even more low-end extension.

The X v.3 series is really a different kind of woofer due to its incredibly linear suspension. They are designed for the LOWEST level of bass extension possible in a small enclosure while maintaining extremely low levels of distortion.

Specifications

T/S SPECS X V.3 18″ D1 X V.3 18″ D2
RE (Ohms) 1.4 3.2
FS (Hz) 26.650 28.207
VAS (L) 130.302 109.935
Qes 0.526 0.657
Qms 2.793 3.091
Qts 0.442 0.542
Le (mH)    
BL (NA) 14.543 20.854
Mms (Grams) 474.114 504.115
Cms (uM/N) 75.224 63.154
Sens (dB @ 1w/1m) 88.6dB 87.6dB

Enclosure Specifications

X v.3 18
Sealed Enclosure N/A
Ported Enclosure 7.00 cu ft
Recommended Tuning 32hz
Recommended Port Area 112 sq in
Displacement 0.23 cu ft
Depth 13.6"
Outside Diam. 18.42"
Cutout 16.69"
Physical Dimensions Download

Enclosure Designs

.Zip File

Specifications

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