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

Product Description

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 Diameter	4" / (105 x 105 mm)
RMS Power	25 watts
MAX Power	50 watts
Sensitivity (1w/1m)	86 dB
Frequency Range	130 Hz - 18 kHz
Voice Coil Diameter	1.0" / 25 mm
Available Impedances	16 Ω
Magnet Size	8 + 6.4 Oz
Magnet Material	Ferrite
Chassis type	Pressed Steel
Voice Coil Material	Copper
Former Material	Kapton
Dust Dome Material	Paper
Suspension Material	Polycotton
Surround Material	Fabric
Cone Material	Paper

THIELE SMALL PARAMETERS
Fs	120 Hz
Qes	1.14
Qms	6.74
Qts	0.98
Vas	1.43 L
Sd	0.0049 m2
η0	0.20%
Mms	4.22 g
BI	6.43 Txm
Cms	0.43 mm/N
Rms	0.47 WM
Le1k	0.52 mH

MOUNTING & DIMENSIONS & WEIGHT
Overall Diameter	5.20" / 132 mm
Bolt Circle Diameter	4.39" / 111.5mm
Baffle Cut-out Diameter	3.58" / 91 mm
Overall Depth	2.83" / 72 mm
Net Weight	0.70 kgs / 1.54 lbs

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

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