Eminence LAB 12

[kalimero]

Razmišljam, da bi z Eminence LAB 12 naredil en sub. Ima kdo kaj izkušenj s to enoto?

podatki so naslednji:

SPECIFICATION
Nominal Basket Diameter 12", 304.8 mm
Nominal Impedance 6 ohms
Power Rating Watts 400 W / Music Program 800 W
Resonance 22 Hz
Usable Frequency Range 25 Hz - 125 Hz
Sensitivity 89.2
Magnet Weight 160 oz.
Gap Height 0.375", 9.53 mm
Voice Coil Diameter 2.5", 63.5 mm

THIELE & Small Parameters
Resonant Frequency (fs) 22 Hz
DC Resistance (Re) 4.29
Coil Inductance (Le) 1.48 mH
Mechanical Q (Qms) 13.32
Electromagnetic Q (Qes) 0.39
Total Q (Qts) 0.38
Compliance Equivalent Volume (Vas) 125.2 liters / 4.4 cu. ft.
Peak Diaphragm Displacement Volume 659 cc
Mechanical Compliance of Suspension (Cms) 0.35 mm/N
BL Product (BL) 15.0 T-M
Diaphragm Mass inc. Airload (Mms) 146 grams
Efficiency Bandwidth Product (EBP) 56
Maximum Linear Excursion (Xmax) 13.0 mm
Surface Area of Cone (Sd) 506.7 cm²
Maximum Mechanical Limit (Xlim) 22 mm

kalkulacija kaže, da bi v škatli okoli 140l dosegel caa 20Hz
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