LF12-450
General Specifications
Nominal Diameter		300/12	mm/inch
Rated Impedance		8	ohm
Program Power 1		900	Watts
Power handling capacity 2		450	Watts
Sensitivity		98	dB
Frequency Range		70-5000	Hz
Voice Coil Material		Copper
Voice Coil Diameter		76/3	mm/inch
Voice Coil Winding Depth		19/.75	mm/inch
Number of layers		2
Kind of layer		inside/outside
Surround Material		Polycotton
Surround Design		Triple roll
Magnetics		Ferrite
Thiele -Small Parameters
Resonance frequency	Fs	70.1	Hz
DC resistance	Re	5.6	ohm
Mechanical factor	Qms	6.1
Electrical factor	Qes	0.73
Total factor	Qts	0.54
BL Factor	BL	20.9	T · m
Effective Moving Mass	Mms	95.3	gr
Equivalent Cas air load	Vas	24.2	liters
Effettive piston area	Sd	0.05	m2
Max. linear excursion	Xmax	4.6	mm
Voice - coil inductance @ 1KHz	Le1K	1.76	mH
Half-space efficiency	Eff	1.5	%
Mounting Information
Overall Diameter		320/12.6	mm/inch
Bolt Circle Diameter		293-304/11.5-12	mm/inch
Bolt Hole Diameter		6.5/0.3	mm/inch
Front Mount Baffle Cut-out		282/11.1	mm/inch
Rear Mount Baffle Cut-out		284/11.2	mm/inch
Depth		143/5.6	mm/inch
Shipping Information
Net Weight		7.5/16.5	Kg/Lbs
Shipping Weight		8.4/18.5	Kg/Lbs
Notes to Specifications
1 Program Power is defined as 3 dB greater than AES power .
2 AES standard.