Eminence Delta 12A Loudspeaker

Eminence Delta 12A Loudspeaker


  • £82.80
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A 12" loudspeaker rated at 400W.

Nominal Basket Diameter 12", 304.8mm
Nominal Impedance* 8 ohms
Power Rating
Watts 400W
Music Program 800W
Resonance 55Hz
Usable Frequency Range 54Hz-5kHz
Sensitivity*** 98.3
Magnet Weight 56 oz.
Gap Height 0.375", 9.53mm
Voice Coil Diameter 2.5", 63.5mm



Resonant Frequency (fs) 55Hz

Download PDF Spec Sheet

DC Resistance (Re) 6.3

Coil Inductance (Le) 0.74mH

Mechanical Q (Qms) 5.27

Electromagnetic Q (Qes) 0.46

Total Q (Qts) 0.43

Compliance Equivalent Volume (Vas) 81.3 liters / 2.9 cu.ft.

Peak Diaphragm Displacement Volume (Vd) 125cc

Mechanical Compliance of Suspension (Cms) 0.21mm/N

BL Product (BL) 13.5 T-M

Diaphram Mass inc. Airload (Mms) 39 grams

Efficiency Bandwidth Product (EBP) 120

Maximum Linear Excursion (Xmax) 2.4mm

Surface Area of Cone (Sd) 519.5 cm2

Maximum Mechanical Limit (Xlim) 9.9mm


MOUNTING INFORMATION Recommended Enclosure Sealed Vented 25.5-85 liters/0.9-3 cu.ft. Overall Diameter 12.03", 305.5mm Baffle Hole Diameter 10.95", 278.1mm Front Sealing Gasket fitted as standard Rear Sealing Gasket fitted as standard Mounting Holes Diameter 0.25", 6.4mm Mounting Holes B.C. D. 11.59", 294.3mm Depth 5.35", 136mm Net Weight 11.4 lbs., 5.2 kg Shipping Weight 13.5 lbs., 6.1 kg MATERIALS OF CONSTRUCTION Coil Construction Aluminum voice coil Coil Former Polyimide former Magnet Composition Ferrite magnet Core Details Vented core Basket Materials Pressed steel basket Cone Composition Paper Cone Cone Edge Composition Cloth cone edge Dustcap Composition Solid composition felt dust cap

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