Eminence Delta-12A 12" Speaker, 8 Ohm

PA SKU # EMN DELTA12A MFR # DELTA-12A UPC # 876358000227
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  • 12" Driver, 8 Ohm, 400 Watt

12" Driver, 8 Ohm, 400 Watt

The Eminence Delta-12A 12" speaker is recommended for professional audio as a mid-bass or woofer (with high-pass filter) in vented enclosures. Also suitable for lead and bass guitar, keyboards, guitar combos, club music systems and stage monitors. Made in the USA. 7-year manufacturer's warranty!
  • Kapton coil former
  • Polyamide-imide coated aluminum voice coil
  • Ferrite magnet
  • Vented pole piece
  • Pressed steel basket
  • Paper cone
  • Cloth accordian surround
  • SPECIFICATION
  • 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***: 98.3dB
  • Magnet Weight: 56 oz.
  • Gap Height: 0.37", 9.53mm
  • Voice Coil Diameter: 2.5", 63.5mm
  • THIELE & SMALL PARAMETERS
  • Resonant Frequency (fs): 55Hz
  • 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
  • Diaphragm 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 Volume
  • Sealed: N/a
  • Vented: 25.5-85 liters / 0.9-3 cu.ft.
  • Driver Volume Displaced: 137.3 cu.in. / 2.25 liters
  • Overall Diameter: 12.03", 305.5mm
  • Baffle Hole Diameter: 11.07", 281.2mm
  • 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 kgs
  • 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
  • Dust Cap Composition: Solid composition felt dust cap
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