Quake™ 15 Sub 15" Steel Frame Subwoofer Driver (Pair)

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Whether you are building your own subwoofer speaker cabinet or replacing an old woofer, this 15" subwoofer is what you need! Quake™ 15 Sub is a great woofer that produces awesome tone with punchy lows! At 500 Watts RMS, this speaker can handle what most amps can throw at it. Great woofers are very hard to find, especially at a decent price. The Seismic Audio brand was designed to make the professional musician, as well as the musician low on cash, sound great. With your purchase, you will receive two Quake 15" steel frame subwoofer drivers pictured and described above. So, put it in your cart today and get ready for years of trouble-free, crystal clear sound!



Quake 15 Sub (Pair)
Pair of 15 Inch Replacement Subwoofers (Woofers)
Subwoofers | PA Subwoofers
Power Rating
500 Watts RMS - 1000 Watts Peak each
Nominal Impedance
8 Ohms
Frequency Range
90 dB
Magnet Weight
70 ounce
Voice Coil
Chassis Type
Pressed Steel
Paper Cone/Cloth Edge
Mounting Information
Cut Out Diameter: 14 1/8" Diameter: 15 3/8" Magnet Structure Diameter: 6 1/8" Mounting Slot Dimensions: 1/4", 0.25" Number of Mounting Slots: 8 Overall Depth: 6 1/4"
TS Parameters
Resonant Frequency (fs): 32.5Hz DC Resistance (Re): 6.3 Ohm Mechanical Q (Qms): 3.7 Electromagnetic Q (Qes): 1 Total Q (Qts): 0.78 Compliance Equivalent Volume (Vas): 221.4 Ltr Mechanical Compliance of Suspension (Cms): 198mm/N BL Product (BL): 12.5 Tm Diaphragm Mass Airload (Mms): 120.5g Surface Area of Cone (Sd): 886.7cm2
11.5 lbs each
One Year Warranty
Technical Specs
Frequency Response 8?

Quake 15 Sub Frequency Response Graph