U-12 V2 D4 | Sundown Audio 12" Dual 4-Ohm 1750W RMS U-Series Subwoofer
FEATURES:
Black Aluminum 3” voice coil former for superior heat dissipation
High Temperature Round-Wire CCAW voice coil with high-temp black adhesive
Double stitched surround
Heavy duty cast basket
Spring loaded terminals accept up to 8 gauge
Stitched-on double-XL tinsel leads
Rear vented pole piece
Rear drilled gap-venting
Innovative high-velocity cast aluminum vented frame spacer ring
Magnet ID shorting ring
Top-Plate Cooling Channels
Cast Aluminum surround bolt-on rings
Optimized for small ported or bandpass enclosures
SPECIFICATIONS:
RE (Ohms) 6.1
FS (Hz) 40.0
VAS (L) 12.3
Qes 0.38
Qms 2.93
Qts 0.34
Le (mH) 3.67
BL (NA) 33.7
Mms (Grams) 284.5
Cms (uM/N) 0.06
Sens (dB @ 1w/1m) 85.0db
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 7.75″
Outside Diameter 12.83″
Cut-Out 11.01″