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       BEYMA LIBERTY-8 - 12" GUITAR SPEAKER  | 
  
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       DELIVERS THE SAME SOUND AS THE JBL E-120 12" GUITAR SPEAKER!  | 
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       Replacement For The JBL E-120  | 
      
       Item Price: $319.95  | 
    
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         WOOFER MODEL  | 
      LIBERTY-8 | 
| 
         Specifications  | 
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        Nominal
        Basket Diameter  | 
      
         
        12"  | 
    
| 
         
        Impedance  | 
      
         
        8
        ohms    | 
    
| 
        
		
		
		
        RMS
        Power Rating | 
      
        
		
		150 
        Watts | 
    
| 
         
        
        Program
        Power Rating  | 
      
         
        
        300 
        Watts  | 
    
| 
         
        Frequency
        Response  | 
      
         
        50Hz - 6.0kHz  | 
    
| 
         
        Sensitivity
        (1W/1m)  | 
      
         
        
        102dB  | 
    
| 
         
        Voice
        Coil Diameter  | 
      
         
        
        4" / 101.6mm  | 
    
| Voice Coil Length | 8.5 mm | 
| Air Gap Height | 10 mm | 
| BL Factor | 21 N/A | 
| Magnetic Assembly Weight | 18.92 lb. / 8.6 kg. | 
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         Mounting Information  | 
    |
| 
        
        Overall Diameter | 
      
        
        12.28" / 312mm | 
    
| 
        Bolt
        Circle Diameter | 
      
        
        11.61" 
        / 295mm | 
    
| Baffle Cutout Diameter- | |
| - Front Mount | 11.18" / 284mm | 
| - Rear Mount | 11.18" / 284mm | 
| No. Of Mounting Holes | 8 | 
| Volume Displaced By Driver | 0.19 ft3 / 5.5 Liters | 
| 
        Overall
        Depth | 
      
        
        4.88" 
        / 124mm | 
    
| 
        Net
        Weight | 
      22 lb. / 10 kg. | 
| Shipping Weight | 24.2 lb. / 11 kg. | 
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         Materials  | 
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| Basket | Cast Aluminum | 
| Cone | Paper | 
| Surround | Cloth | 
| Voice Coil | Edgewound Aluminum Ribbon | 
| Magnet | Ferrite | 
| 
 Thiele-Small Parameters  | 
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| Resonant Frequency (fs) | 47 Hz | 
| Impedance (Re) | 5.4 ohms | 
| Coil Inductance (Le) | .73 mH | 
| Mechanical Q (Qms) | 6.5 | 
| Electrical Factor (Qes) | .29 | 
| Total Q (Qts) | .28 | 
| Comp. Equivelant Vol. (Vas) | 2.62 ft3 / 74 Liters | 
| Voice Coil Overhang (Xmax) | 2.1 mm | 
| Moving Mass (Mms) | 57 Grams | 
| Surface Area of Cone (Sd)m2 | 0.055 | 
| Reference Efficiency | 3.8% | 
| Displacement Volume (Vd) | 116 cm3 | 
| 
       Frequency Response & Impedance Curve  | 
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      ![]()  | 
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| Mounting Dimensions | |
      ![]()  | 
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US Speaker, LLC