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4 Inch Economical Bass / Mid Range Woofer with RMS 25 Watts
4 Inch Economical Bass / Mid Range Woofer with RMS 25 Watts
4 Inch Economical Bass / Mid Range Woofer with RMS 25 Watts
4 Inch Economical Bass / Mid Range Woofer with RMS 25 Watts

4 Inch Economical Bass / Mid Range Woofer with RMS 25 Watts

Model NO.:
4SB25-2
Delivery:
FOB
Minimum order quantity:
500 pieces
Supply Ability:
60,000 pieces / Month
Country of Origin:
Ningbo, China
Stock Time:
35 Days
Nominal Diameter 4 Inch / 105*105 mm, Power Handling 25 watts, Sensitivity 86 dB, Frequency Response 130 Hz -18 kHz, Voice Coil Diameter 1.0 Inch / 25 mm
 Features

1. Nominal Diameter 4 inch / (105 x105 mm)        
2. Power Handling 25 watts
3. Sensitivity 86 dB
4. Frequency Response 130 Hz - 18 kHz
5. Voice Coil Diameter 1.0 inch / 25 mm        
6. Dual Magnet 8+6.4 Oz
7. Pressed Steel Chassis type
8. Applications as an economical bass / mid range woofer for PA speaker

 Specifications

SPECIFICATIONS
Model No.4SB25-2
Nominal Diameter4" / (105 x 105 mm)
RMS Power25 watts
MAX Power50 watts
Sensitivity (1w/1m)86 dB
Frequency Range130 Hz - 18 kHz
Voice Coil Diameter1.0" / 25 mm
Available Impedances16 Ω
Magnet Size8 + 6.4 Oz
Magnet MaterialFerrite
Chassis typePressed Steel
Voice Coil MaterialCopper
Former MaterialKapton
Dust Dome MaterialPaper
Suspension MaterialPolycotton
Surround MaterialFabric
Cone MaterialPaper
THIELE SMALL PARAMETERS
Fs120 Hz
Qes1.14
Qms6.74
Qts0.98
Vas1.43 L
Sd0.0049 m2
η00.20%
Mms4.22 g
BI6.43 Txm
Cms0.43 mm/N
Rms0.47 WM
Le1k0.52 mH
MOUNTING & DIMENSIONS & WEIGHT
Overall Diameter5.20" / 132 mm
Bolt Circle Diameter 4.39" / 111.5mm
Baffle Cut-out Diameter3.58" / 91 mm
Overall Depth2.83" / 72 mm
Net Weight0.70 kgs / 1.54 lbs

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