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RMS 1750 watts
Dual 2 or 4 ohm voice coils
Optimized for small ported or bandpass enclosures
Aluminum 3” voice coil former for superior heat dissipation
High-temperature copper voice coil
Double stitched surround
Heavy-duty cast basket
Spring-loaded terminals accept up to 8-gauge wire
Stitched-on heavy-duty tinsel leads
Solid pole with vent channels and aluminum shorting ring cap
Rear gap-venting
Top-Plate Cooling Channels
Designed to be at home in the competition lanes or playing your favorite music, the U Series is the premier “standard suspension” woofer in the Sundown lineup. A double-stacked 9.4-inch wide ferrite magnet system is coupled to a thick top plate. A thick set of shorting rings are used inside the magnets and on the pole cap, smoothing out frequency response while doubling as a heat sink and airflow guide. A custom, substantially thicker aluminum frame was designed specifically for the U Series, equipped with heat dissipation ribs. The U v.2 motor also features an extended pole piece to keep the coil under perfect control under high stress. The coil temperature is kept in check via a high-velocity solid pole / machined pole channels arrangement and a series of 16 direct air-gap vents in the back plate.
Specifications
T/S SPECS
UV.2 12" D2
UV.2 12" D4
RE (Ohms)
3.8407
6.0577
FS (Hz)
41.3260
41.9087
VAS (L)
14.7612
14.7535
Qes
0.4862
0.5870
Qms
4.7454
4.9022
Qts
0.4410
0.5242
Le (mH)
3.1858
4.3694
BL (NA)
27.2694
31.1265
Mms (Grams)
358.6438
356.5462
Cms (uM/N)
40.4709
40.4498
Sens (dB @ 1w/1m)
85.1980
84.4191
Enclosure Specifications
Sealed Enclosure
1.0 cu ft
Ported Enclosure
2.0 cu ft
Recommended Tuning
35Hz
Recommended Port Area
32 sq in
Displacement
0.21 cu ft
Depth
8.43″
Outside Diameter
12.84″
Cut-Out
11.2″
Physical Dimensions
Download
Dimensions
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