Eminence's Beta-15A 15" speaker is recommended for professional audio as a woofer in sealed and vented enclosures. The Beta-15A is also useful for bass guitar speaker systems and combo amps. Made in the USA. 7-year manufacturer's warranty!
Kapton coil former
Polyamide-imide coated copper voice coil
Vented and pole piece
Pressed steel basket
Cloth accordian surround
Power Handling (RMS)300 Watts
Power Handling (max)600 Watts
Frequency Response45 to 3,700 Hz
Sensitivity98.2 dB 1W/1m
Voice Coil Diameter2"
Magnet Weight34 oz.
Resonant Frequency (Fs)35 Hz
DC Resistance (Re)6.32 ohms
Voice Coil Inductance (Le)1.10 mH
Mechanical Q (Qms)8.10
Electromagnetic Q (Qes)0.63
Total Q (Qts)0.58
Compliance Equivalent Volume (Vas)11.82 ft.Â³
Mechanical Compliance of Suspension (Cms)0.35 mm/N
BL Product (BL)11.5 Tm
Diaphragm Mass Inc. Airload (Mms)60g
Maximum Linear Excursion (Xmax)4 mm
Surface Area of Cone (Sd)823.7 cmÂ²
Materials of Construction
Voice Coil Wire MaterialCopper
Voice Coil FormerKaptonÂ® / Polyimide
Basket / Frame MaterialSteel
Overall Outside Diameter15.15"
Baffle Cutout Diameter13.77"
# Mounting Holes8
Optimum Cabinet Size (determined using BassBox 6 Pro High Fidelity suggestion)