Coloration : Nice warm, fat tone with a little top end bite and clarity. Very touch-sensitive with a hint of British flavor

Genre : American Rock, Blues, and Southern Rock

Specifications:

• Nominal Basket Diameter 12", 304.8 mm
• Nominal Impedance 4 ohms
• Power Rating Watts 150 W / Music Program N/A
• Resonance 79 Hz
• Usable Frequency Range 70 Hz - 5 kHz
• Sensitivity 99 dB 1W/1m
• Magnet Weight 38 oz.
• Gap Height 0.312", 7.92 mm
• Voice Coil Diameter 2", 50.8 mm

Thiele & Small Parameters

• Resonant Frequency (fs) 79 Hz
• Coil Inductance (Le) 0.54 mH
• Mechanical Q (Qms) 13.88
• Electromagnetic Q (Qes) 0.68
• Total Q (Qts) 0.65
• Compliance Equivalent Volume (Vas) 50.9 liters / 1.8 cu. ft.
• Peak Diaphragm Displacement Volume (Vd) 42 cc
• Mechanical Compliance of Suspension (Cms) 0.13 mm/N
• BL Product (BL) 12.8 T-M
• Diaphragm Mass inc. Airload (Mms) 31 grams
• Efficiency Bandwidth Product (EBP) 116
• Maximum Linear Excursion (Xmax) 0.8 mm
• Surface Area of Cone (Sd) 519.5 cm%uFFFD
• Maximum Mechanical Limit (Xlim) N/A
  
  

Mounting Information:

• Recommended Enclosure Volume
• Sealed Acceptable
• Vented Acceptable
• Overall Diameter 12.02", 305.3 mm
• Baffle Hole Diameter 10.97", 278.6 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. 11.63", 295.4 mm
• Depth 5.1", 130 mm

Materials of Construction

• Copper voice coil
• Polyimide former
• Ferrite magnet
• Non-vented core
• Pressed steel basket
• Paper Cone
• Paper cone edge
• Zurette dust cap