Recommended for professional audio in a vented mid-bass, and vented bass enclosure.

Specification

• Nominal Basket Diameter 12", 304.8mm
• Nominal Impedance* 8 ohms
• Power Rating**
• Watts 500W
• Music Program 1000W
• Resonance 37Hz
• Usable Frequency Range 57Hz - 2.8kHz
• Sensitivity*** 97.1dB
• Magnet Weight 80 oz.
• Gap Height 0.37", 9.53mm
• Voice Coil Diameter 3", 76.2mm

Thiele & Small Parameters

• Resonant Frequency (fs) 37Hz
• DC Resistance (Re) 5.46
• Coil Inductance (Le) 1.22mH
• Mechanical Q (Qms) 6.93
• Electromagnetic Q (Qes) 0.25
• Total Q (Qts) 0.24
• Compliance Equivalent Volume (Vas) 121 liters / 4.3 cu.ft.
• Peak Diaphragm Displacement Volume (Vd) 249cc
• Mechanical Compliance of Suspension (Cms) 0.32mm/N
• BL Product (BL) 17.3 T-M
• Diaphragm Mass Inc. Airload (MMs) 59 grams
• Efficiency Bandwidth Product (EBP) 148
• Maximum Linear Excursion (Xmax) 4.8mm
• Surface Area of Cone (Sd) 519.5 cm2
• Maximum Mechanical Limit (Xlim) 14.8mm

Mounting Information

• Recommended Enclosure Volume
• Sealed N/a
• Vented 17-34 liters / 0.6-1.2 cu.ft.
• Driver Volume Displaced 155.5 cu.in. / 2.55 liters
• Overall Diameter 12.38", 314.5mm
• Baffle Hole Diameter 11.07", 281.1mm
• Front Sealing Gasket Fitted as standard
• Rear Sealing Gasket Fitted as standard
• Mounting Holes Diameter 0.26", 6.5mm
• Mounting Holes B.C.D. 11.57", 293.8mm
• Depth 6.22", 158mm
• Net Weight 16.6 lbs, 7.5 kg
• Shipping Weight 18.4 lbs, 8.4 kgs

Materials of Construction

• Coil Construction Copper voice coil
• Coil Former Polyimide former
• Magnet Composition Ferrite magnet
• Core Details Vented core
• Basket Materials Die-cast aluminum basket
• Cone Composition Paper Cone
• Cone Edge Composition Cloth cone edge
• Dust Cap Composition Solid composition paper dust cap