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

Authorized Dealer / Brand New Item / In Stock!

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 Ω

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 Ω

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