Perfectly suited for line arrays, car doors and side panels, and other tight fitting applications, Eminence's Alpha 4-8 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.
Perfect driver for high output line array use
Flat response from 90 to 12,000 Hz
Cosmetic mounting flange for a clean look without flush mounting
Naturally damped paper cone minimizes resonances
Power Handling (RMS)55 Watts
Power Handling (max)110 Watts
Frequency Response105 to 12,000 Hz
Sensitivity88 dB 1W/1m
Voice Coil Diameter1"
Magnet Weight10 oz.
Resonant Frequency (Fs)123 Hz
DC Resistance (Re)6.73 ohms
Voice Coil Inductance (Le)0.28 mH
Mechanical Q (Qms)6.83
Electromagnetic Q (Qes)0.84
Total Q (Qts)0.75
Compliance Equivalent Volume (Vas)0.07 ft.Â³
Mechanical Compliance of Suspension (Cms)0.42 mm/N
BL Product (BL)4.94 Tm
Diaphragm Mass Inc. Airload (Mms)4g
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)