The Eminence Beta-12CX 12" Coaxial Driver is recommended for professional audio midrange reproduction in sealed loudspeaker enclosures. Also suitable for midbass or floor monitor applications in vented 2-way speaker cabinets. The Beta-12CX's coaxial design facilitates use of an HF driver to extend frequency response. Standard 1-3/8"-18 TPI threaded insert for HF horn driver (sold separately). Made in the USA. 7-year manufacturer's warranty!
1-3/8"-18 TPI mount is compatable with many popular horn drivers
Polyamide-imide coated copper voice coil with Kapton former
Perfect for creating ultra compact monitors
Point source design delivers equal off axis response in all directions
Power Handling (RMS)250 Watts
Power Handling (max)500 Watts
Frequency Response57 to 4,600 Hz
Sensitivity97.3 dB 1W/1m
Voice Coil Diameter2"
Magnet Weight38 oz.
Resonant Frequency (Fs)47 Hz
DC Resistance (Re)5.42 ohms
Voice Coil Inductance (Le)0.64 mH
Mechanical Q (Qms)5.64
Electromagnetic Q (Qes)0.52
Total Q (Qts)0.48
Compliance Equivalent Volume (Vas)4.27 ft.³
Mechanical Compliance of Suspension (Cms)0.30 mm/N
BL Product (BL)10.79 Tm
Diaphragm Mass Inc. Airload (Mms)38g
Maximum Linear Excursion (Xmax)3.5 mm
Surface Area of Cone (Sd)538.9 cm²
Materials of Construction
Voice Coil Wire MaterialCopper
Voice Coil FormerKapton / Polyimide
Basket / Frame MaterialSteel
Overall Outside Diameter12.03"
Baffle Cutout Diameter10.95"
# Mounting Holes8
Optimum Cabinet Size (determined using BassBox 6 Pro High Fidelity suggestion)