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Eminence Delta Pro-12 450-4 12" Woofer

Name: Eminence Delta Pro-12 450-4 12" Woofer
Brand: Eminence
SKU: 163026019230
Price: 129.99 USD
Availability: InStock

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DELTA PRO-12-450-4
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SPECIFICATION
Nominal Basket Diameter	12", 305 mm
Nominal Impedance*	4 Ω
Power Rating*
Program Power	750 W
Watts	375 W
Resonance	44 Hz
Usable Frequency Range	44 Hz - 4 kHz
Sensitivity*	99.8 dB
Magnet Weight	56 oz.
Gap Height	0.31", 7.9 mm
Voice Coil Diameter	2.5", 64 mm
THIELE & SMALL PARAMETERS
Resonant Frequency (fs)	44 Hz
DC Resistance (Re)	5.04 Ω
Coil Inductance (Le)	0.54m H
Mechanical Q (Qms)	7.59
Electromagnetic Q (Qes)	0.39
Total Q (Qts)	0.37
Compliance Equivalent Volume (Vas)	141.66 liters / 5 cu.ft.
Peak Diaphragm Displacement Volume (Vd)	271.5 cc
Mechanical Compliance of Suspension (Cms)	0.36 mm/N
BL Product (BL)	11.47 T-M
Diaphragm Mass Inc. Airload (MMs)	36 grams
Efficiency Bandwidth Product (EBP)	115
Maximum Linear Excursion (Xmax)	5.1 mm
Surface Area of Cone (Sd)	532.4 cm2
Maximum Mechanical Limit (Xlim)	13.7 mm
MOUNTING INFORMATION
Recommended Enclosure Volume
Sealed	N/a
Vented	36.81-93.45 liters / 1.3-3.5 cu.ft.
Driver Volume Displaced	0.079 cu.ft. / 2.25 liters
Overall Diameter	12.38", 314.5 mm
Baffle Hole Diameter	11.07", 281.2 mm
Front Sealing Gasket	Yes
Rear Sealing Gasket	Yes
Mounting Holes Diameter	0.27", 6.9mm
Mounting Holes B.C.D.	11.57", 293.9mm
Depth	5.5", 139.7 mm
Net Weight	11.7 lbs, 5.31 kg
Shipping Weight	14 lbs, 6.35 kgs
MATERIALS OF CONSTRUCTION
Coil Construction	Aluminum voice coil
Coil Former	Polyimide former
Magnet Composition	Ferrite magnet
Core Details	Vented and extended core

Basket Materials	Die-cast aluminum basket
Cone Composition	Paper cone
Cone Edge Composition	Cloth cone edge
Dust Cap Composition	Paper dust cap

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