Eminence BETA-12CX  12" Coaxial Speaker - 8 ohms

Midwest Speaker is an authorized Eminence Distributor and we stock the majority of the Eminence product line.  Please contact us if you need a different model.

New in Box.  Price is for (1) one speaker (just the woofer section, not the high frequency driver).  Just change the quantity to order more.

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.

*ASD:1001 HF driver and PXB2:2K5CX crossover sold separately.


Specification
Nominal Basket Diameter12", 305 mm
Nominal Impedance*8 Ω
Power Rating**
Watts250 W
Music Program500 W
Resonance47 Hz
Usable Frequency Range57 Hz - 4.6 kHz
Sensitivity***97.3 dB
Magnet Weight38 oz.
Gap Height0.312", 7.9 mm
Voice Coil Diameter2", 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 26.90-70.79 liters / 0.95-2.50 cu.ft.
Vented 32.85-158.58 liters / 1.16-5.60 cu.ft.
Driver Volume Displaced0.071 cu.ft. / 2 liters
Overall Diameter12.03", 305.6 mm
Baffle Hole Diameter11.07", 281.2 mm
Front Sealing GasketYes
Rear Sealing GasketYes
Mounting Holes Diameter0.25", 6.4mm
Mounting Holes B.C.D.11.59", 294.4mm
Depth4.47", 113.5 mm
Net Weight7.8 lbs, 3.54 kg
Shipping Weight10 lbs, 4.54 kgs

Materials of Construction
Coil ConstructionCopper voice coil
Coil FormerKapton former
Magnet CompositionFerrite magnet
Core DetailsTapered Coax
  
Basket MaterialsPressed steel basket
Cone CompositionPaper cone
Cone Edge CompositionCloth cone edge
Dust Cap CompositionScreened cloth dust cap

MADE IN THE USA. 

FAST FREE UPS GROUND SHIPPING TO THE MAINLAND 48 UNITED STATES ONLY.  Shipping to Alaska, Hawaii and Puerto Rico are extra.  Contact us for an estimate.

INTERNATIONAL SHIPPING TO CANADA WELCOME!!! Our shipping costs do not include your country's customs charges, taxes and other fees.  Please do NOT ask us to send as a gift or to lower the declared value on the customs forms.

*Returns only accepted if speaker has NOT been mounted or soldered. If you return an unused speaker our shipping costs to you are not refundable and buyer must pay for return shipping.