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Eminence Sigma Pro 18" Speaker

Eminence Sigma Pro 18" Speaker
 Other products by Eminence
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Item #: MS-3283
Reg. Price: $199.99
Our Price: $199.99
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Description  more details

SPECIFICATION  
Nominal Basket Diameter 18", 457.2mm
Nominal Impedance* 8 ohms
Power Rating  
Watts650W
Music Program 1300W
Resonance28Hz
Usable Frequency Range 41Hz-2.4kHz
Sensitivity***99
Magnet Weight 120 oz.
Gap Height 0.375", 9.53mm
Voice Coil Diameter3", 76.2mm

 

 

 

THIELE & SMALL PARAMETERS  
Resonant Frequency (fs) 28Hz

 

DC Resistance (Re) 6.29
Coil Inductance (Le) 1.90mH
Mechanical Q (Qms) 8.28
Electromagnetic Q (Qes) 0.30
Total Q (Qts) 0.29
Compliance Equivalent Volume (Vas) 441.2 liters / 15.6 cu.ft.
Peak Diaphragm Displacement Volume (Vd) 695cc
Mechanical Compliance of Suspension (Cms) 0.24mm/N
BL Product (BL) 22.1 T-M
Diaphram Mass inc. Airload (Mms) 130 grams
Efficiency Bandwidth Product (EBP) 93
Maximum Linear Excursion (Xmax) 6.1mm
Surface Area of Cone (Sd) 1140.0 cm2 
Maximum Mechanical Limit (Xlim) 18.0mm

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