Recommended for bass guitar. Excellent in either sealed or vented enclosures. Nice, tight, top end. 

• Nominal Basket Diameter 10", 254mm
• Nominal Impedance* 8 ohms
• Power Rating** Watts 150W Music Program 300W
• Resonance 51Hz
• Usable Frequency Range*** 48Hz-7kHz
• Sensitivity 93.5
• Magnet Weight 4 oz.
• Gap Height 0.28", 7.2mm
• Voice Coil Diameter 2", 50.8mm 

• Resonant Frequency (fs) 51Hz
• DC Resistance (Re) 5.46
• Coil Inductance (Le) 0.55mH
• Mechanical Q (Qms) 17.5
• Electromagnetic Q (Qes) 0.52
• Total Q (Qts) 0.51
• Compliance Equivalent Volume (Vas) 49 liters / 1.7 cu. ft.
• Peak Diaphragm Displacement Volume (Vd) 126cc
• Mechanical Compliance of Suspension (Cms) 0.27mm/N
• BL Product (BL) 11.2 T-M
• Diaphragm Mass inc. Airload (Mms) 37 grams
• Efficiency Bandwidth Product (EBP) 98
• Maximum Linear Excursion (Xmax) 3.5mm
• Surface Area of Cone (Sd) 360.7 cm²
• Maximum Mechanical Limit (Xlim) 7.0mm 

• Recommended Enclosure Volume 
  Sealed 17-23 liters/ 0.6-0.8 cu.ft. 
  Vented 23-54 liters/ 0.8-1.9 cu.ft.
• Overall Diameter 10.25", 260.4mm
• Baffle Hole Diameter 9.13", 231.9mm
• Front Sealing Gasket fitted as standard
• Rear Sealing Gasket fitted as standard
• Mounting Holes Diameter 0.28", 7.0mm
• Mounting Holes B.C.D. 9.73", 247.1mm
• Depth 4.75", 121mm
• Net Weight 3.6 lbs.,1.6 kg
• Shipping Weight 4.7 lbs., 2.1 kg

• Copper voice coil
• Polyimide former
• Neodymium magnet
• Non-vented core
• Die-cast aluminum basket
• Aluminum Alloy Cone
• Cloth cone edge
• Solid composition felt dust cap