MCM Audio 55-2973 12" Woofer with Poly Cone and Rubber Surround 120W RMS at 8ohm

12" Polypropylene Cone Woofer (single)

Low cost general replacement woofer is ideal in a two way cabinets or as a compact subwoofer. It is perfect for a wide variety of home or autosound applications and is ideal for either ported or sealed enclosures.

General Specifications:

• Nominal Diameter: 12 inch
• Rated Impedance: 8 ohms
• Operating Bandwidth: 50Hz ~ 4KHz
• Power Handling Capacity: 120W RMS
• Sensitivity (1W/M): 91 dB
• Voice Coil Diameter: 1.5 inch
• Overall frame diameter: 12.20"

Thiele-Small Parameters:

• Resonance Frequency Fs: 42 Hz
• DC Resistance Re: 7.2 ohm
• Mechanical Q Factor Qms: 3.24
• Electrical Q Factor Qes: 0.5654
• Total Q Factor Qts: 0.4772
• Equivalent Cas air load Vas: 122.6 liters
• Coil Inductance Le: .9099 mH
• Efficiency Bandwidth Product EBP 74
• Voice Coil Over Hang X-max 5mm

Physical Information:

• Cutout: 10.94"
• Mounting Depth: 5.04"
• Basket: Stamped Steel
• Magnet Type: 30 OZ
• Cone Material: Polypropylene
• Surround: Rubber
• Dust Cap: Polypropylene
• Damper: Cloth