DC Audio Level 3 18 m2 D2

General Features:

• 18" Dual 2 ohm Level 3 Series m2.1 Version Car Subwoofer
• Power Handling:
• Peak: 1800 watts
• RMS: 900 watts
• Recommended power range: 400 - 900 watts RMS
• Extremely rigid non-pressed paper cone assembly
• Multilayered polymer wide roll foam surround
• Polypropylene dust cover with embossed DC logo
• Dual 8" OD flat linear roll spider
• Extra heavy duty interwoven tinsel lead wire sewn to spider
• 3" high temperature aluminum voice coil
• Rubber mounting gasket
• Chrome spring loaded push terminals
• FEA analyzed and optimized motor assembly
• Fully CNC machined
• Top-mount depth: 9.5"
• Mounting Hole Diameter: 16.75"
• Authorized Internet Dealer
• 1-year Manufacturer's Warranty

m2 Level 3 18" T/S Parameters:

• Electrical Q Value (Qes): 0.718
• Mechanical Q Value (Qms): 8.32
• Total Speaker Q Value (Qts): .661
• Free Air Resonance (Fs): 30.4 Hz
• Equivalent Compliance (Vas): 185.6 liters
• One-Way, Linear Excursion (Xmax): 23 mm
• Efficiency (Ref SPL @ 1W): 90.4 dB (93.9dB @ 2.83V)
• Effective Piston Area (Sd): 1217 cm²
• DC Resistance (Re): 3.6 ohm
• Nominal Impedance (Znom): Dual 2 ohm
• Force Factor (Bl): 17.2
• Mechanical Compliance (Cms): .09 mm/N
• Mechanical Mass (Mms): 305 g
• Voice Coil Inductance (Le): 3.5 mH
• Suggested Sealed Enclosure: 4.00 ft³
• Suggested Ported Enclose: 5.50 ft³

For more information on the Thiele and Small Parameters, visit our T/S Parameters Article