DS18 PRO-X6.4BMSL (Pair)

Main features

• Nominal diameter : 6.5" / 165 mm
• Nominal impedance : 4 Ohms
• RMS power : 200 Watts
• Maximum power : 400 Watts
• Sensitivity (1W/1m) : 93 dB
• Frequency response : 80 Hz - 5 kHz
• Recommended high-pass cutoff frequency : 130 Hz
• Sold in pairs or individually : Single
• Grill included : No

Engine

• Voice coil diameter : 1.5" / 38.1 mm
• Voice coil former material : Kapton
• Winding wire material : CCAW
• Cone material : Unpressed
• Dome material : Aluminum
• Dome color/finish : Glossy red
• Surround material : Fabric
• Basket material : Steel
• Basket finish/color : Glossy red
• Magnet material : Ferrite
• Magnet weight : 21 oz

Thiele & Small parameters

• Equivalent volume (Vas) : 4.51 L / 0.159 ft³
• Excursion (unilateral) Xmax : 6.4 mm
• Free air resonance Fs : 140 Hz
• Mechanical factor Qms : 6.59
• Electrical factor Qes : 0.81
• Total factor Qts : 0.72
• Mechanical mass (mms) : 6.92 g
• Mechanical compliance Cms : 0.19 mm/N
• BL Factor : 4.99
• Voice coil inductance Le : 0.03 mH
• Surface area of ​​the cone Sd : 130.7 cm²
• DC resistance Re : 3.3 Ohms

Dimensions

• Total diameter : 6.65" / 169 mm
• Total depth : 2.36" / 60 mm
• Front mounting cutout : 5.63" / 143 mm
• Mounting depth : 2.15" / 54.5 mm
• Motor diameter : 4.3" / 110 mm