Recommended for professional audio as a mid-bass or woofer (with high-pass filter) in vented enclosures.
Applications 
 Woofer | Midbass | Midrange | Pro Audio
Box Type: Vented
Specifications
Download Spec Sheet Download Cab Design| SPECIFICATION | |
| Nominal Basket Diameter | 12", 305 mm | 
| Nominal Impedance* | 8 Ω | 
| Power Rating* | |
| Program Power | 800 W | 
| Watts | 400 W | 
| Resonance | 55 Hz | 
| Usable Frequency Range | 54 Hz - 5 kHz | 
| Sensitivity* | 98.3 dB | 
| Magnet Weight | 56 oz. | 
| Gap Height | 0.375", 9.5 mm | 
| Voice Coil Diameter | 2.5", 64 mm | 
| THIELE & SMALL PARAMETERS | |
| Resonant Frequency (fs) | 55 Hz | 
| DC Resistance (Re) | 6.3 Ω | 
| Coil Inductance (Le) | 0.74m H | 
| Mechanical Q (Qms) | 5.27 | 
| Electromagnetic Q (Qes) | 0.46 | 
| Total Q (Qts) | 0.43 | 
| Compliance Equivalent Volume (Vas) | 81.3 liters / 2.87 cu.ft. | 
| Peak Diaphragm Displacement Volume (Vd) | 125 cc | 
| Mechanical Compliance of Suspension (Cms) | 0.21 mm/N | 
| BL Product (BL) | 13.5 T-M | 
| Diaphragm Mass Inc. Airload (MMs) | 39 grams | 
| Efficiency Bandwidth Product (EBP) | 120 | 
| Maximum Linear Excursion (Xmax) | 2.4 mm | 
| Surface Area of Cone (Sd) | 519.5 cm2 | 
| Maximum Mechanical Limit (Xlim) | 9.9 mm | 
| MOUNTING INFORMATION | |
| Recommended Enclosure Volume | |
| Sealed | N/a | 
| Vented | 25.5-85 liters / 0.9-3 cu.ft. | 
| Driver Volume Displaced | 0.079 cu.ft. / 2.25 liters | 
| Overall Diameter | 12.03", 305.6 mm | 
| Baffle Hole Diameter | 11.07", 281.2 mm | 
| Front Sealing Gasket | Yes | 
| Rear Sealing Gasket | Yes | 
| Mounting Holes Diameter | 0.25", 6.4mm | 
| Mounting Holes B.C.D. | 11.59", 294.4mm | 
| Depth | 5.35", 135.9 mm | 
| Net Weight | 11.4 lbs, 5.17 kg | 
| Shipping Weight | 13.5 lbs, 6.12 kgs | 
| MATERIALS OF CONSTRUCTION | |
| Coil Construction | Aluminum voice coil | 
| Coil Former | Polyimide former | 
| Magnet Composition | Ferrite magnet | 
| Core Details | Vented core | 
| Basket Materials | Pressed steel basket | 
| Cone Composition | Paper cone | 
| Cone Edge Composition | Cloth cone edge | 
| Dust Cap Composition | Solid composition felt dust cap | 
Frequency Response
              
            
      
      
      
      


