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Sundown Audio

Sundown Audio Uv.2 15" Subwoofer

$569.99 USD $683.99

Impedance

$569.99

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Description

Sundown Audio U v.2 15" Subwoofer

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 aluminum frame was designed specifically for the U Series. It’s substantially thicker and equipped with heat dissipation ribs at the bottom of the frame. 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 controlled with machined, high-velocity pole channels and a series of 16 direct air-gap vents in the back plate.

U-15

T/S SPECS U 15" D2 U 15" D4
RE (Ohms) 3.8 6.1
FS (Hz) 37.9 34.9
VAS (L) 54.0 63.9
Qes 0.34 0.39
Qms 3.10 3.48
Qts 0.31 0.35
Le (mH) 2.44 3.80
BL (NA) 30.7 34.6
Mms (Grams) 355.7 353.0
Cms (uM/N) 0.05 0.06
Sens (dB @ 1w/1m) 91.2db 90.2db

 

U-15

Sealed Enclosure 2.0 cu ft
Ported Enclosure 3.0 cu ft
Recommended Tuning 35Hz
Recommended Port Area 48 sq in
Displacement 0.24 cu ft
Depth 9.05″
Outside Diameter 15.59″
Cut-Out 14.01″

 

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