Professional bass loud speaker ,which is ideal for Karaoke vocal woofer application

1.Professional bass loud speaker ,which is ideal for Karaoke vocal woofer application

2.competitive price

3.excellent quality

4. other sizes are also available upon requests

5.Details:

General Specifications
Nominal Diameter	250/10	mm/inch
Rated Impedance	6	ohm
Nominal Power handling1	100	Watts
Program Power2	200	Watts
Sensitivity(lw/lm)3	91	dB
Frequency Range4	43-3.0k	Hz
Minimum Impedance(Zmin)	6.2	ohm
Voice Coil Diameter	35/1.4	mm/inch
Voice Coil Material	Copper
Voice Coil Winding Depth	13	mm
Number of layers	4
Magnet gap depth	6	mm
Cone Shape	Curved
Surround Shape	Foam
Basket	Pressed Steel
Flux Density
Magnet Material/Mass	Ceramic/0.83	kg

Thiele-Small parameters
Resonance frequency	Fs	43	Hz
DC resistance	Re	5.6	ohm
Mechanical factor	Qms	5.01
Electrical factor	Qes	0.47
Total factor	Qts	0.43
Mechanical compliance	Cms	0.39	mm/N
Mechanical resistanceof suspension losses	Rms	1.86	mech-ohm
Effective Moving Mass	Mms	34.2	gr
Half-space efficiency	Eff	1.12	%
BL Factor	BL	10.6	T.m
Equivalent Cas air load	Vas	67	liters
Effective piston area	Sd	0.035	m2
Max.linear excursion	Xmax	5	mm
Voice-coil inductance	LelK	1.57	mH

Mounting Information
Overall Diameter	256.5	mm
Bolt Circle Diameter	242	mm
Bolt Hole Diameter	5*6.6	mm
Baffle Cutout Diameter	235	mm
Overall Depth	115.5	mm
Net Weight	2.15	kg

Bass loudspeaker:woofer for Karaoke