EMINENCE DELTA 12A 12" , 8OHM SPEAKER

DELTA 12A

EMINENCE DELTA 12A, 12" , 8 OHM SPEAKER.
SPECIFICATION   
Nominal Basket Diameter  12", 304.8mm
Nominal Impedance*  8 ohms
Power Rating   
Watts 400W
Music Program  800W
Resonance 55Hz
Usable Frequency Range  54Hz-5kHz
Sensitivity*** 98.3
Magnet Weight  56 oz.
Gap Height  0.375", 9.53mm
Voice Coil Diameter 2.5", 63.5mm
   
THIELE & SMALL PARAMETERS   
Resonant Frequency (fs)  55Hz
DC Resistance (Re)  6.3
Coil Inductance (Le)  0.74mH
Mechanical Q (Qms)  5.27
Electromagnetic Q (Qes)  0.46
Total Q (Qts)  0.43
Compliance Equivalent Volume (Vas)  81.3 liters / 2.9 cu.ft.
Peak Diaphragm Displacement Volume (Vd)  125cc
Mechanical Compliance of Suspension (Cms)  0.21mm/N
BL Product (BL)  13.5 T-M
Diaphram Mass inc. Airload (Mms)  39 grams
Efficiency Bandwidth Product (EBP)  120
Maximum Linear Excursion (Xmax)  2.4mm
Surface Area of Cone (Sd)  519.5 cm2
Maximum Mechanical Limit (Xlim)  9.9mm
   
MOUNTING INFORMATION     
Recommended Enclosure     
Sealed N/A  
Vented 25.5-85 liters/0.9-3 cu.ft.  
Overall Diameter  12.03", 305.5mm  
Baffle Hole Diameter  10.95", 278.1mm  
Front Sealing Gasket  Fitted as standard  
Rear Sealing Gasket  Fitted as standard  
Mounting Holes Diameter  0.25", 6.4mm  
Mounting Holes B.C. D.  11.59", 294.3mm  
Depth 5.35", 136mm  
Net Weight  11.4 lbs., 5.2 kg  
Shipping Weight  13.5 lbs., 6.1 kg  
     
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  
Dustcap Composition Solid composition felt dust cap 

$ 82.50

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