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4x Eminence DELTA PRO-12A Midrange 12" Sub-Woofer full-range mid/hi, monitor

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SKU:
4x Eminence DELTA PRO-12A T.C.
UPC:
0876358000333
Condition:
New
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$559.96

Product Description

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 Ω

Power Rating*

 

Program Power

  • 800 W

Watts

  • 400 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 Ω

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