The Seismic Audio QATSub-18 Replacement subwoofer driver is the gold standard in professional raw subwoofer speakers. This raw sub is the best solution for bass reproduction if you are looking to replace or upgrade an existing sub or building your own cabinet. The QATSub-18 gives you all the bass you want and then some, operating at 500 Watts RMS and housing an 85 ounce magnet. You will not be disappointed in the sound quality or bass power of this raw subwoofer. With your purchase, you will receive one 18 inch replacement subwoofer pictured and described.

18‚ Inch 8 Ohm‚ Subwoofer Driver

Specifications

• Model #:‚ QATSub-18
• Type: 18" Woofer/Speaker
• RMS Power: 500 Watts
• Peak Power: 1000 Watts
• Frequency Response: 25 Hz - 2K Hz
• Sensitivity: 91 db
• Magnet:‚ 85 oz‚ 
• Voice Coil: 3 Inch
• Impedance: 8 Ohm
• Pressed Steel Chassis
• Paper cone
• Weight: 23 lbs each
• This speaker is brand new.
• One year warranty
  ‚ 

TS Parameters

• Resonant Frequency (fs): 23.1 Hz
• DC Resistance (Re): 6.0 Ohms
• Mechanical Q (Qms): 3.2
• Electromagnetic Q (Qes): 1.3
• Total Q (Qts): 0.932
• Compliance Equivalent Volume (Vas): 700.846 Ltr
• Mechanical Compliance of Suspension (Cms): 0.306 mm/N
• BL Product (BL): 10.13 Tm
• Diaphragm Mass Airload (Mms): 154.6g
• Surface Area of Cone (Sd): 1269 cm2

WARNING: This product can expose you to chemicals including Di(2-ethylhexyl)phthalate (DEHP), which is known to the State of California to cause cancer. For more information, go to: www.P65Warnings.ca.gov