DD AUDIO 712F D4

DD AUDIO 712F D4

General Characteristics:

• Speaker size: 12 inches (30 cm)
• Impedance: Dual 4-ohm coil (D4)
• RMS power: 1500 watts
• Maximum power: 4500 watts

Thiele/Small parameters:

• Fs (resonance frequency): 32.13 Hz
• Qms (mechanical quality factor): 6.463
• Qes (electrical quality factor): 0.5125
• Qts (Total Quality Factor): 0.4749
• Vas (equivalent air volume): 24.23 liters
• Xmax (maximum linear displacement): 22 mm
• Xmech (MM): 100 mm

Dimensions and Construction:

• Piston diameter: 10.25 inches
• Engine diameter: 7.562 inches
• Engine depth: 4 inches
• Woofer displacement: 0.17 cubic feet
• Outer diameter of the chassis: 12.625 inches
• Outer diameter of the chassis with seal: 12.875 inches
• Mounting diameter: 11.375 inches
• Mounting depth: 9 inches

Recommended Speakers:

• Bass-reflex enclosure: 1.75 - 3.0 cubic feet