Eminence BETA-12CX 12" Mid-Bass Woofer 500W Pro Audio 8-Ohm Speaker PAIR

Eminence BETA-12CX 12" Pro Audio Mid-Bass Speaker 500 Watts 8-Ohm

Recommended for professional audio as a mid-bass in either vented, or sealed satellite or floor monitor enclosures. Also works nicely in vented two-way enclosures used for small coverage areas.

Specification Nominal Basket Diameter

• 12", 305 mm

Nominal Impedance*

• 8 Ohm
  

Power Rating Program Power

• 500 W

Watts

• 250 W

Resonance

• 47 Hz

Usable Frequency Range

• 57 Hz - 4.6 kHz

Sensitivity*

• 97.3 dB

Magnet Weight

• 38 oz.

Gap Height

• 0.31", 7.9 mm

Voice Coil Diameter

• 2", 51 mm

Thiele & Small Parameters Resonant Frequency (fs)

• 47 Hz

DC Resistance (Re)

• 5.42 ?

Coil Inductance (Le)

• 0.64m H

Mechanical Q (Qms)

• 5.64

Electromagnetic Q (Qes)

• 0.52

Total Q (Qts)

• 0.48

Compliance Equivalent Volume (Vas)

• 120.94 liters / 4.27 cu.ft.

Peak Diaphragm Displacement Volume (Vd)

• 188.6 cc

Mechanical Compliance of Suspension (Cms)

• 0.3 mm/N

BL Product (BL)

• 10.79 T-M

Diaphragm Mass Inc. Airload (MMs)

• 38 grams

Efficiency Bandwidth Product (EBP)

• 90

Maximum Linear Excursion (Xmax)

• 3.5 mm

Surface Area of Cone (Sd)

• 538.9 cm2

Maximum Mechanical Limit (Xlim)

• 10.4 mm

Mounting Information Recommended Enclosure Volume Sealed

• 26.9-70.79 liters / 0.95-2.5 cu.ft.

Vented

• 32.85-158.58 liters / 1.16-5.6 cu.ft.

Driver Volume Displaced

• 0.071 cu.ft. / 2 liters

Overall Diameter

• 12.03", 305.6 mm

Baffle Hole Diameter

• 11.07", 281.2 mm

Front Sealing Gasket

• Yes

Rear Sealing Gasket

• Yes

Mounting Holes Diameter

• 0.25", 6.4mm

Mounting Holes B.C.D.

• 11.59", 294.4mm

Depth

• 4.47", 113.5 mm

Net Weight

• 7.8 lbs, 3.54 kg

Shipping Weight

• 10 lbs, 4.54 kgs

Materials of Construction Coil Construction

• Copper voice coil

Coil Former

• Kapton former

Magnet Composition

• Ferrite magnet

Core Details

• Tapered Coax

Basket Materials

• Pressed steel basket

Cone Composition

• Paper cone

Cone Edge Composition

• Cloth cone edge

Dust Cap Composition

• Screened cloth dust cap