Recommended for acoustic instrument applications in both sealed and vented enclosures where a lightweight speaker would be beneficial.

• Nominal Basket Diameter 12", 304.8 mm
• Nominal Impedance 8 ohms
• Power Rating Watts 150 W / Music Program N/A
• Resonance 31 Hz
• Usable Frequency Range 40 Hz - 3.5 kHz
• Sensitivity 94.7
• Magnet Weight 7 oz.
• Gap Height 0.28", 7.2 mm
• Voice Coil Diameter 2", 50.8 mm

• Resonant Frequency (fs) 31 Hz
• DC Resistance (Re) 7.03
• Coil Inductance (Le) 0.59 mH
• Mechanical Q (Qms) 12.92
• Electromagnetic Q (Qes) 0.54
• Total Q (Qts) 0.52
• Compliance Equivalent Volume (Vas) 177 liters / 6.25 cu. ft.
• Peak Diaphragm Displacement Volume (Vd) 203 cc
• Mechanical Compliance of Suspension (Cms) 0.46 mm/N
• BL Product (BL) 12.1 T-M
• Diaphragm Mass inc. Airload (Mms) 57 grams
• Efficiency Bandwidth Product (EBP) 57
• Maximum Linear Excursion (Xmax) 3.9 mm
• Surface Area of Cone (Sd) 519.5 cm²
• Maximum Mechanical Limit (Xlim) 8.0 mm

• Recommended Enclosure Volume
  Sealed 28-50 liters/ 1-1.75 cu.ft.
  Vented 59.5-85 liters/ 2.1-3 cu.ft.
• Overall Diameter 12.26", 311.4 mm
• Baffle Hole Diameter 11", 279.5 mm
• Front Sealing Gasket fitted as standard
• Rear Sealing Gasket fitted as standard
• Mounting Holes Diameter 0.25", 6.4 mm
• Mounting Holes B.C.D. 11.71", 297.5 mm
• Depth 5.1", 130 mm

• Copper voice coil
• Polyimide former
• Neodymium magnet
• Non-vented core
• Pressed steel basket
• Polypropylene Cone
• Santoprene cone edge
• Solid composition felt dust cap