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General  Specification LF15N401 LF18N401
Norminal Diameter :    15inch 18inch
Power Rating :        600W 1000W
Norminal Impedance :  8Ohm 8Ohm
Sensitivity :      97dB 97dB
Frequency Range :    45HZ-2.5KHZ 35HZ-1.5KHZ
Chassis Type: Aluminium Aluminium
Magnet Type:    Neodymium Neodymium
Magnet Weight :     90x14mm 90x14mm
Voice Coil ;    4"/99.2mm 4"/99.2mm
Coil Material    SV,Inside-out. SV,Inside-out
Former Material :    Glass Fiber Glass Fiber
Voicecoil Winding Width:    25mm 25mm
Cone/Surround Material :     Paper/Cloth Paper/Cloth
Suspension :   Double Spider Double Spider
X-mas:     9mm 9mm
N/G  Weight  9/10kg 10/11 kg
Dimension WxDxH 44x44x25cm 51x51x27cm
Thiele & Small Parameters
Re  6.3 ohm 6.3 ohm
Fs 50HZ 40HZ
Mms 142.5g 239g
Mmd 150g 230g
Qms 2.1 4.1
Qes 0.3 0.48
Qts 0.2 0.43
Vas 81.1 131
BL 30.3 28.6
SD 89.7 126.5
Features 
  1200 Watts  Max Power Handling 2000 Watts  Max Power Handling
  Neodymium Magnet Neodymium Magnet
  Double Spider Suspension Double Spider Suspension
  Die Cast Aluminium Chassis Die Cast Aluminium Chassis

 
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