Sundown Audio U Series 15" v.2 1750 RMS

Product Description

• Features (U-10 / 12 / 15 / 18)

  • 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

   

  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"
  Physical Dimensions	Download