Tempest 15″ | 750w Car Audio Subwoofer


  •  Hi Temp 2.5” Round Wound Copper Voice Coils
  • Non Pressed Paper Cone with Poly Dust Cap
  •  Single Progressive Spider w/ Heavy Duty Lead Wires
  •  Grade Y35 Ferrite Magnet Motor Structure w/ Vented Pole
  •  750W RMS Power Rating
  •  Hand built in the U.S.A.
  •  Available in Dual 4 Ohm Voice Coils

Out of stock


Returning to the Adire Audio lineup, the Tempest is the 15” big brother driver to the Shiva; offering high quality bass on a budget. Built in America, the Tempest features:  an upgraded cast aluminum basket, large foam surround, Kevlar impregnated cone, flat progressive epoxy coated spider, 2.5″ diameter VC, over an inch of magnet, vented pole piece, and huge bumped back plate. The Tempest was designed with price and performance in mind. This understated, excellent performer has a rugged, industrial look that is an example of form following function. As with nearly all of our woofers, the Tempest is at home in a wide variety of enclosure types. The low Fs, moderate Q and moderate Vas allows for great performance in a wide range of both sealed and vented alignments.


Coil Dual 4
Fs 18.9 Hz
Re 6.6 Ohm (VC wired in series)
Qms 12.99
Qes .47
Qts 0.45
Mms 234.60g
Cms .30 mm/N
Sd 823.70cm^2
Vas 292.07 L
SPL 88.20 dB @ 1W-1m @ Re
88.12 @ 1W @ 1m @ Zn
Bl 19.68 Tm
Xmax 14mm (One Way)
RMS 500W – Program Power
750W – Thermal

Box Info

Overall Diameter 15.625″
Cutout Diameter 14.125″
Mounting Depth 7.375″ – Driver
8.375″ – Driver With
Pole Vent Clearance
Driver Displacement .13 ft^3
Sealed Enclosure QTC .707 – 7.35 ft^3
QTC .8 – 4.96 ft^3
QTC .9 – 3.56 ft^3
QTC 1 – 2.71 ft^3
Ported Enclosure 3.5-8.0 ft^3 @ 15-25Hz
Port Area: 50.00 Sq Inches


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