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       NEW 'Q LEX SERIES' 4 LAYER VOICE COIL  | 
  
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       BEYMA 18QLEX1600FE - 18" EXTREME POWER WOOFER  | 
  
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     BEYMA 'Q LEX SERIES' 4 LAYER VOICE COIL SETS A NEW STANDARD IN HIGH POWER SUBWOOFER SPEAKERS SYSTEMS  | 
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     BEYMA 18QLEX1600FE  | 
  
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     4 Ohm Version Item Price: $476.95  | 
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     8 Ohm Version Item Price: $476.95  | 
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         WOOFER MODEL  | 
      
        
		18 | 
    
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         Specifications  | 
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        Nominal
        Basket Diameter  | 
      
         
		18"  | 
    
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        Impedance  | 
      
         
        4 & 8 ohms    | 
    
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        AES
        Power Rating  | 
      
         
        
        1,600 
        Watts  | 
    
| Program Power | 
        
		3,200
        Watts | 
    
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        Frequency
        Response  | 
      
         
		30Hz 
        - 1.0kHz  | 
    
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        Sensitivity
        (1W/1m)  | 
      
         
        97dB  | 
    
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        Voice
        Coil Diameter  | 
      
         
        
		4" 
        / 100mm  | 
    
| Recom. Enclosure Volume | 4.4 ft3 / 125 Liters | 
| Voice Coil Length | 32 mm | 
| Air Gap Height | 15 mm | 
| X Damage (peak to peak) | 60 mm | 
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         Mounting Information  | 
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        Overall Diameter | 
      18.2" / 462mm | 
| Bolt Circle Diameter | 17.4" / 441mm | 
| Baffle Cutout Diameter- | 16.8" / 426mm | 
| No. Of Mounting Holes | 8 | 
| Volume Displaced By Driver | 0.28 ft3 / 8.0 Liters | 
| Overall Depth | 9.2" / 233mm | 
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        Net
        Weight | 
      32.1 lb. / 14.6 kg. | 
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        Shipping Weight | 
      35 lb. / 15.9 kg. | 
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         Materials  | 
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| Basket | Die Cast Aluminum | 
| Cone | Waterproof Front & Back Paper | 
| Surround | Treated Cloth | 
| Voice Coil | Inner/Outer Copper Wire | 
| Voice Layers | Four | 
| Demodulation Ring | Aluminum | 
| Spider | Double Silicone | 
| Magnet | Ferrite | 
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         Thiele-Small Parameters  | 
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| Resonant Frequency (fs) | 30 Hz | 
| Impedance (Re) | 5.3 ohms | 
| Coil Inductance (Le) | 3.9 mH | 
| Mechanical Q (Qms) | 6.5 | 
| Electrical Factor (Qes) | .24 | 
| Total Q (Qts) | .23 | 
| Comp. Equivalent Vol. (Vas) | 6.89 ft3 / 195 Liters | 
| Voice Coil Overhang (Xmax) | 13.0 mm | 
| Moving Mass (Mms) | 323 Grams | 
| Surface Area of Cone (Sd)m2 | 0.1255m2 | 
| BL Factor | 36.4 N/A | 
| Reference Efficiency | 2.1% | 
| Displacement Volume (Vd) | 1631 cm3 | 
| Frequency Response & Free Air Impedance Curve | |
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US Speaker, LLC