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



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


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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