Detail EMINENCE DELTA PRO 12A KOMPONEN / COMPONENT SPEAKER
KOMPONEN / COMPONENT SPEAKER EMINENCE DELTA PRO 12A
Recommended for professional
audio in both sealed and vented
enclosures. Ideal for full-range, mid/
hi, and monitor wedges.
SPECIFICATION :
Nominal Basket Diameter 12" , 305 mm
Nominal Impedance* 8 ©
Power Rating* *
Watts 400 W
Music Program 800 W
Resonance 51 Hz
Usable Frequency Range 52 Hz - 4.5 kHz
Sensitivity* * * 99.2 dB
Magnet Weight 80 oz.
Gap Height 0.375" , 9.5 mm
Voice Coil Diameter 2.5" , 64 mm
THIELE & SMALL PARAMETERS :
Resonant Frequency ( fs) 51 Hz
DC Resistance ( Re) 5.71 ©
Coil Inductance ( Le) 0.84m H
Mechanical Q ( Qms) 7.56
Electromagnetic Q ( Qes) 0.37
Total Q ( Qts) 0.35
Compliance Equivalent Volume ( Vas) 81.7 liters / 2.89 cu.ft.
Peak Diaphragm Displacement Volume ( Vd) 242 cc
Mechanical Compliance of Suspension ( Cms) 0.21 mm/ N
BL Product ( BL) 15.3 T-M
Diaphragm Mass Inc. Airload ( MMs) 48 grams
Efficiency Bandwidth Product ( EBP) 138
Maximum Linear Excursion ( Xmax) 4.6 mm
Surface Area of Cone ( Sd) 532.4 cm2
Maximum Mechanical Limit ( Xlim) 13.7 mm
MOUNTING INFORMATION :
Recommended Enclosure Volume
Sealed 28-35 liters / 1-1.25 cu.ft.
Vented 31-91 liters / 1.1-3.2 cu.ft.
Driver Volume Displaced 0.09 cu.ft. / 2.55 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. 11.69" , 296.9mm
Depth 6.22" , 158 mm
Net Weight 16.3 lbs, 7.39 kg
Shipping Weight 18 lbs, 8.16 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 Solid composition paper dust cap
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