Description

Recommended for professional audio in a vented mid-bass, and vented bass enclosure incorporating a high-
pass filter.
SPECIFICATION

• Nominal Basket Diameter 12″, 304.8 mm
• Nominal Impedance 8 ohms
• Power Rating Watts 500 W / Music Program 1000 W
• Resonance 37 Hz
• Usable Frequency Range 57 Hz – 2.8 kHz
• Sensitivity 97.1
• Magnet Weight 80 oz
• Gap Height 0.375″, 9.53 mm
• Voice Coil Diameter 3″, 76.2 mm

THIELE & Small Parameters

• Resonant Frequency (fs) 37 Hz
• DC Resistance (Re) 5.46
• Coil Inductance (Le) 1.22 mH
• Mechanical Q (Qms) 6.93
• Electromagnetic Q (Qes) 0.25
• Total Q (Qts) 0.24
• Compliance Equivalent Volume (Vas) 121.0 liters / 4.3 cu.ft.
• Peak Diaphragm Displacement Volume 249 cc
• Mechanical Compliance of Suspension 0.32 mm/N
• BL Product (BL) 17.3 T-M
• Diaphragm Mass inc. Airload (Mms) 59 grams
• Efficiency Bandwidth Product (EBP) 148
• Maximum Linear Excursion (Xmax) 4.8 mm
• Surface Area of Cone (Sd) 519.5 cm²
• Maximum Mechanical Limit (Xlim) 14.8 mm

MOUNTING Information

• Recommended Enclosure Volume
  Sealed N/A
• Vented 17-34 liters/0.6-1.2 cu.ft.
• Overall Diameter 12.38″, 314.5 mm
• Baffle Hole Diameter 11.07″, 281.1 mm
• Front Sealing Gasket fitted as standard
• Rear Sealing Gasket fitted as standard
• Mounting Holes Diameter 0.26″, 6.5 mm
• Mounting Holes B.C.D. 11.57″, 293.8 mm
• Depth 6.22″, 158 mm

MATERIALS of Construction

• Copper voice coil
• Polyimide former
• Ferrite magnet
• Vented core
• Die-cast aluminum basket
• Paper Cone
• Cloth cone edge
• Solid composition paper dust cap
• (PLEASE CONTACT OUR OFFICE RE SHIPPING)