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 Diameter | 12", 305 mm |
Nominal Impedance* | 8 Ω |
Power Rating** | |
Watts | 250 W |
Music Program | 500 W |
Resonance | 47 Hz |
Usable Frequency Range | 57 Hz - 4.6 kHz |
Sensitivity*** | 97.3 dB |
Magnet Weight | 38 oz. |
Gap Height | 0.312", 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 | 26.90-70.79 liters / 0.95-2.50 cu.ft. |
Vented | 32.85-158.58 liters / 1.16-5.60 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 |
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.