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Eminence DELTAPRO12A 12In Pro Rawframe Speaker

Eminence DELTAPRO12A 12In Pro Rawframe Speaker
Eminence DELTAPRO12A 12In Pro Rawframe Speaker
Eminence DELTAPRO12A 12In Pro Rawframe Speaker

Eminence DELTAPRO12A 12In Pro Rawframe Speaker

Item #78411
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List Price: $189.99
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Eminence Delta Pro-12A 12-Inch Pro Rawframe Speaker

The Delta Pro-12A is recommended for professional audio in both sealed and vented enclosures and is ideal for full-range, mid/hi, and monitor wedges. Each Eminence Professional model can be identified by its cast aluminum Eminence chassis that is lightweight and strong. Aluminum does not conduct the magnetic field out of the gap, thereby making the motor strength higher and the stray magnetic field lower. Eminence coats each of their chassis and all metal components with an epoxy-acrylic finish using an in-house e-coat process.

  • Nominal basket diameter: 12"/305 mm
  • Nominal impedance: 8 O
  • Power rating: 400W/program power 800 W
  • Resonance: 51 Hz
  • Usable frequency range: 52 Hz - 4.5 kHz
  • Sensitivity: 99.2 dB
  • Magnet weight: 80 oz.
  • Gap Height: 0.37"/9.5 mm
  • Voice coil diameter: 2.5"/64 mm
Thiele and small parameters
  • Resonant frequency (fs): 51 Hz
  • DC resistance (Re): 5.71 O
  • 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
… [ More ]
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ProSound and Stage Lighting Store
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Already bought one . they work great
Abbas D on Jan 5, 2017
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