Eminence ALPHA 5-8 250 Watts Program Power Midbass Line Array or Column Array Applications
The Alpha 5 offers unmistakable performance with an emphasis on value. Rated at 250 watts program power, this 5” midbass features a water-resistant cone and dust cap, making it an excellent choice for line array or column array applications
SPECIFICATION
- Nominal Basket Diameter:5", 127 mm
- Nominal Impedance*:8 Ω
- Power Rating*:
- Program Power:250 W
- Watts:125 W
- Resonance:87 Hz
- Usable Frequency Range:87 Hz - 3.5 kHz
- Sensitivity*:89.4 dB
- Magnet Weight:20 oz.
- Gap Height:0.23", 5.8 mm
- Voice Coil Diameter:1.5", 38 mm
THIELE & SMALL PARAMETERS
- Resonant Frequency (fs):87 Hz
- DC Resistance (Re):5 Ω
- Coil Inductance (Le):0.29m H
- Mechanical Q (Qms):11.81
- Electromagnetic Q (Qes):0.56
- Total Q (Qts):0.54
- Compliance Equivalent Volume (Vas):6.14 liters / 0.22 cu.ft.
- Peak Diaphragm Displacement Volume (Vd):60.8 cc
- Mechanical Compliance of Suspension (Cms):0.42 mm/N
- BL Product (BL)6.22 T-M
- Diaphragm Mass Inc. Airload (MMs):8 grams
- Efficiency Bandwidth Product (EBP):155
- Maximum Linear Excursion (Xmax):5.92 mm
- Surface Area of Cone (Sd):102.6 cm2
- Maximum Mechanical Limit (Xlim):6.4 mm
MOUNTING INFORMATION
- Recommended Enclosure Volume:
- Sealed:Acceptable
- Vented:Acceptable
- Driver Volume Displaced:1.091 cu.ft. / 30.9 liters
- Overall Diameter:5.87", 149.1 mm
- Baffle Hole Diameter:4.8", 121.9 mm
- Front Sealing Gasket:Yes
- Rear Sealing Gasket:Yes
- Mounting Holes Diameter:0.2", 5mm
- Mounting Holes B.C.D.:5.39", 136.9mm
- Depth:2.91", 73.9 mm
- Net Weight:3.1 lbs, 1.41 kg
- Shipping Weight:3.5 lbs, 1.59 kgs
MATERIALS OF CONSTRUCTION
- Coil Construction:Aluminum voice coil
- Coil Former:Polyimide former
- Magnet Composition:Ferrite magnet
- Core Details:Vented core
- Basket Materials:Pressed steel basket
- Cone Composition:Water resistant pulp
- Cone Edge Composition:Cloth cone edge
- Dust Cap Composition:Water resistant paper
