Eminence Alpha 5-8 Midbass Speaker (250 Watts, 5")

- Nominal Basket Diameter: 5", 127 mm
- Nominal Impedance: 8 Ohms
- 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", 5.84 mm
- Voice Coil Diameter: 1.5", 38 mm

THIELE & SMALL PARAMETERS
- Resonant Frequency (fs): 87 Hz
- DC Resistance (Re): 5 O
- 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): 60.75 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): 5.9 mm
- Surface Area of Cone (Sd): 102.6 cm2
- Maximum Mechanical Limit (Xlim): 6.4 mm

MOUNTING INFORMATION
- Sealed: 3.4-7.93 liters / 0.12-0.28 cu.ft.
- Vented: 6.8-14.16 liters / 0.24-0.5 cu.ft.
- Driver Volume Displaced: 0.018 cu.ft. / 0.51 liters
- Major Diameter: 5.87", 149.1 mm
- Flat to Flat Diameter: 5.27", 133.9 mm
- Baffle Hole Diameter: 4.8", 121.9 mm
- Front Sealing Gasket: Yes
- Rear Sealing Gasket: Yes
- Mounting Holes Diameter: 0.18", 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 cone pulp
- Cone Edge Composition: Cloth cone edge
- Dust Cap Composition: Water resistant treated paper dust cap
Dimensions and Weight in Packaging
8 Ohms
Shipping Weight: 3.5 lbs
Shipping Dimensions: 7 x 7 x 4 in
Manufacturer Part Number (MPN): ALPHA 5-8
If you have additional warranty questions, please contact the manufacturer at 502-845-5622
Shipping to
💬
Chat With Us