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Eminence Speakers :: Eminence-Delta-Pro-18A-Speaker



Delta Pro 18A, 18
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Delta Pro 18A, 18" 8 ohm Pro Audio Speaker

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DELTA PRO-18A  8 ohm Professional Series Speaker

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Long Throw Subwoofer for very small vented boxes. Over-size top plate and large pole vent help keep the coil cool.
 

SPECIFICATION    
Nominal Basket Diameter 18'', 457mm
Nominal Impedance* 8 ohms
Power Rating
Watts 500W
Music Program 1000W
Resonance 28Hz
Usable Frequency Range 37Hz-250Hz
Sensitivity*** 96
Magnet Weight 67 oz.
Gap Height 0.380'', 9.53mm
Voice Coil Diameter 2.5'', 63.5mm
   
THIELE & SMALL PARAMETERS  
Resonant Frequency (fs) 28Hz  
DC Resistance (Re) 5.3
Coil Inductance (Le) 3.43mH
Mechanical Q (Qms) 10.38
Electromagnetic Q (Qes) 0.33
Total Q (Qts) 0.32
Compliance Equivalent Volume (Vas) 493.2 liters / 17.41cu.ft.
Peak Diaphragm Displacement Volume (Vd) 796cc
Mechanical Compliance of Suspension (Cms) 0.25mm/N
BL Product (BL) 18.9 T-M
Diaphram Mass inc. Airload (Mms) 128 grams
Efficiency Bandwidth Product (EBP) 84
Maximum Linear Excursion (Xmax) 6.7mm
Surface Area of Cone (Sd) 1188.0 cm2  
Maximum Mechanical Limit (Xlim) 15.0mm

Item Code:: Eminence-Delta-Pro-18A-Speaker




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