Eminence ALPHA 4-8 4" Full Range, Midbass, Midrange 8-Ohm Pro Audio Speaker Pair
Perfectly suited for line arrays, car doors and side panels, and other tight fitting applications, the Alpha 4 is a very versatile 110 watt driver that can be used full range, as a midbass, or as a 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.
Specification
Nominal Basket Diameter
Nominal Impedance*
Power Rating*
Program Power
Watts
Resonance
Usable Frequency Range
Sensitivity*
Magnet Weight
Gap Height
Voice Coil Diameter
Thiele & Small Parameters
Resonant Frequency (fs)
DC Resistance (Re)
Coil Inductance (Le)
Mechanical Q (Qms)
Electromagnetic Q (Qes)
Total Q (Qts)
Compliance Equivalent Volume (Vas)
- 1.94 liters / 0.07 cu.ft.
Peak Diaphragm Displacement Volume (Vd)
Mechanical Compliance of Suspension (Cms)
BL Product (BL)
Diaphragm Mass Inc. Airload (MMs)
Efficiency Bandwidth Product (EBP)
Maximum Linear Excursion (Xmax)
Surface Area of Cone (Sd)
Maximum Mechanical Limit (Xlim)
Mounting Information
Recommended Enclosure Volume
Sealed
- 1.87-8.5 liters / 0.07-0.3 cu.ft.
Vented
- 2.27-4.25 liters / 0.08-0.15 cu.ft.
Driver Volume Displaced
- 0.012 cu.ft. / 0.33 liters
Overall Diameter
Baffle Hole Diameter
Front Sealing Gasket
Rear Sealing Gasket
Mounting Holes Diameter
Mounting Holes B.C.D.
Depth
Net Weight
Shipping Weight
Materials of Construction
Coil Construction
Coil Former
Magnet Composition
Core Details
Basket Materials
Cone Composition
Cone Edge Composition
Dust Cap Composition
- Solid composition paper dust cap