12" PA speaker L12/64649

1.12" PA speaker 2.300W RMS,95dB 3.2.5 inch voice coil,169mm magnet

4.The PA speaker is perfect  for woofer application

5.Hipower Audio is a professinal speaker factory with experience in the speaker field for 8 years. We make our own tranducers ,HF drivers and empty cabinets.

6.The PA speaker's Details:

General Specifications
Nominal Diameter	300/12	mm/inch
Rated Impedance	8	ohm
Nominal Power handling1	300	Watts
Program Power2	600	Watts
Sensitivity(lw/lm)3	95	dB
Frequency Range4	47-3.5K	Hz
Minimum Impedance(Zmin)	6.3	ohm
Voice Coil Diameter	64/2.5	mm/inch
Voice Coil Material	Copper
Voice Coil Winding Depth	16	mm
Number of layers	2(Inside/Outside)
Magnet gap depth	8	mm
Surround Shape	M-roll
Basket	Cast Aluminum
Flux Density	1.1	T
Magnet Material/Mass	Ceramic

Thiele-Small parameters
Resonance frequency	Fs	45	Hz
DC resistance	Re	5.3	ohm
Mechanical factor	Qms	8.91
Electrical factor	Qes	0.42
Total factor	Qts	0.40
Mechanical compliance	Cms	0.23	mm/N
Mechanical resistanceof suspension losses	Rms	1.64	mech-ohm
Effective Moving Mass	Mms	48.8	gr
Half-space efficiency	Eff	2.21	%
BL Factor	BL	14	T.m
Equivalent Cas air load	Vas	90.2	liters
Effective piston area	Sd	0.0531	m2
Max.linear excursion	Xmax	6	mm
Voice-coil inductance	LelK	1.0	mH

Mounting Information
Overall Diameter	318	mm
Bolt Circle Diameter	301	mm
Bolt Hole Diameter	6.5*9	mm
Baffle Cutout Diameter	287	mm
Overall Depth	135	mm
Net Weight	5.2	kg

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12" PA speaker L12/64649