DC Audio Level 4 18D1 (M2LV418D1)

General Features:

• 18" Dual 1 ohm Level 4 Series m2.1 Version Car Subwoofer
• Power Handling:
• Peak: 2800 watts
• RMS: 1400 watts
• Recommended power range: 1000 - 1400 watts RMS
• Extremely rigid non-pressed paper cone assembly
• Multilayered polymer wide roll foam surround
• Polypropylene dust cover with embossed DC logo
• Triple 8" OD flat linear roll spider
• Extra heavy duty interwoven tinsel lead wire sewn to spider
• 3" high temperature Edge wound 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: 14"
• Authorized Internet Dealer
• 1-year Manufacturer's Warranty

m2 Level 4 15" T/S Parameters:

• Electrical Q Value (Qes): 0.746
• Mechanical Q Value (Qms): 11.82
• Total Speaker Q Value (Qts): .701
• Free Air Resonance (Fs): 26.4 Hz
• Equivalent Compliance (Vas): 175.29 liters
• One-Way, Linear Excursion (Xmax): 23.5 mm
• Efficiency (Ref SPL @ 1W): 88.2dB
• Effective Piston Area (Sd): 1217 cm²
• DC Resistance (Re): 3.82 ohm
• Nominal Impedance (Znom): Dual 1 ohm
• Force Factor (Bl): 19.18
• Mechanical Compliance (Cms): .085 mm/N
• Mechanical Mass (Mms): 427.53 g
• Voice Coil Inductance (Le): 3.78 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