Quake™ 18" Steel Frame Subwoofer Driver
18 Inch Replacement Subwoofer (Woofer)
Subwoofer | PA Subwoofer
500 Watts RMS - 1000 Watts Peak
Paper Cone/Cloth Edge
Cut Out Diameter: 16 5/8" Diameter: 18 1/8" Magnet Structure Diameter: 7 7/8" Mounting Slot Dimensions: 1/4", 0.25" Number of Mounting Slots: 8 Overall Depth: 7 3/4"
Resonant Frequency (fs): 34Hz DC Resistance (Re): 6.3 Ohm Mechanical Q (Qms): 2.3 Electromagnetic Q (Qes): 0.65 Total Q (Qts): 0.5 Compliance Equivalent Volume (Vas): 299 Ltr Mechanical Compliance of Suspension (Cms): 149mm/N BL Product (BL): 17.4 Tm Diaphragm Mass Airload (Mms): 145g Surface Area of Cone (Sd): 1.2k cm2
One Year Warranty
Frequency Response 8?
When will I get my order?
We realize that you want your Pro Audio Equipment yesterday. Here at Seismic Audio Speakers, we aim to ship items out immediately. If you place your order before 2:30 Central time, we will ship your pro audio equipment on the very same business day.
Read our full shipping policy