Perfectly suited for line arrays, car doors and side panels, and other tight fitting applications, Eminence's Alpha 4-4 is a very versatile 110 watt maximum driver that can be used as a full range, midbass, or midrange. They can be stacked by themselves in a column for vocal applications, or in conjunction with a tweeter and a sub for compact, high performance PA or MI applications.
Cosmetic mounting flange for a clean look without flush mounting
Flat response from 90 to 12,000 Hz
Perfect driver for high output line array use
Naturally damped paper cone minimizes resonances
Power Handling (RMS)55 Watts
Power Handling (max)110 Watts
Frequency Response105 to 10,000 Hz
Sensitivity88 dB 1W/1m
Voice Coil Diameter1"
Magnet Weight10 oz.
Resonant Frequency (Fs)120 Hz
DC Resistance (Re)3.42 ohms
Voice Coil Inductance (Le)0.18 mH
Mechanical Q (Qms)6.41
Electromagnetic Q (Qes)0.7
Total Q (Qts)0.63
Compliance Equivalent Volume (Vas)0.06 ft.Â³
Mechanical Compliance of Suspension (Cms)0.38 mm/N
BL Product (BL)4.12 Tm
Diaphragm Mass Inc. Airload (Mms)5g
Maximum Linear Excursion (Xmax)2.6 mm
Surface Area of Cone (Sd)57.7 cmÂ²
Materials of Construction
Voice Coil Wire MaterialCopper
Voice Coil FormerKaptonÂ® / Polyimide
Basket / Frame MaterialSteel
Overall Outside Diameter4.57"
Baffle Cutout Diameter3.77"
Bolt Circle Diameter4.25"
# Mounting Holes4
Optimum Cabinet Size (determined using BassBox 6 Pro High Fidelity suggestion)