DS-42G040 4" MID BASS 8 Ohms Double magnet Hifi Driver

SPECIFICATIONS:

• 4 inch fullrange woofer 
•  85 ferrite magnet 
•  25 core high temperature resistant voice coil,
• ASV aluminum bobbin High strength reversed steel basket Glass Fiber Cone
• Double magnet with magnet shield cover 
• Frequency Response:69Hz-10KHz 86dB 
• Sensitivity 40W rated power 
•  Suitable for bookshelf speaker,Center Speaker , and floorstand speaker

FEATURES:

•  Nominal diameter: 4 inch 
•  Nominal impedance: 8 Ω 
•  Power Rating: 40W 
•  Sensitivity(1w\1m): 86dB 
•  Frequency Range: 79Hz-10KHz 
•  Voice Coil Diameter: Ø25 
•  Magnet dimension: 85*32*15mm 7 0*24*10mm 
•  Fs: 79.653Hz 
•  Re: 7.200 ohm 
•  Qms:  5.118 
•  Qts: 0.817 
•  Vas:  513.978
•  Cms:  129.785u M/N
•  n.(%): 0.026% 
•  Bl:  10.678 T
•  Sd:   5.281 m