DD AUDIO 612F D4

DD AUDIO 612F D4

General Characteristics:

• Speaker size: 12 inches (30 cm)
• Impedance: Dual 4-ohm coil (D4)
• RMS power: 1000 watts
• Maximum power: 3000 watts

Thiele/Small parameters:

• Fs (resonance frequency): 31 Hz
• Qms (mechanical quality factor): 5.06
• Qes (electrical quality factor): 0.4432
• Qts (Total Quality Factor): 0.4075
• Vas (equivalent air volume): 81.16 liters
• Xmax (maximum linear displacement): 22 mm

Dimensions and Construction:

• Piston diameter: 10.25 inches
• Motor diameter: 7 inches
• Engine depth: 3.375 inches
• Woofer displacement: 0.1 cubic feet
• Outer diameter of the chassis: 12.875 inches
• Outer diameter of the chassis with seal: 13 inches
• Mounting diameter: 11.5 inches
• Mounting depth: 7.375 inches

Recommended Speakers:

• Bass-reflex enclosure: 1.75 - 2.75 cubic feet