Eminence Alpha 8 125W 8" Driver 8 ohm
Recommended for professional audio mid-range applications in a sealed cabinet, or as a mid-bass in a vented satellite enclosure.
Technical specifications
- Nominal Diameter: 203 mm (8 in)
- Overall Diameter: 209.3 mm (8.24 in)
- Bolt Circle Diameter: 196.9 mm (7.75 in)
- Mounting Holes Diameter: 5.6 mm (0.22 in)
- Baffle Cutout Diameter: 181.1 mm (7.13 in)
- Overall Depth: 82.6 mm (3.25 in)
- Front Sealing Gasket: Yes
- Rear Sealing Gasket: Yes
- Impedance: 8 ohm
- AES Power: 125 W
- Program Power: 250 W
- Sensitivity: 94 dB
- Voice Coil Diameter: 38 mm (1.5 in)
- Voice Coil Material: Copper voice coil
- Voice Coil Former: Polyimide former
- Magnetic Gap Depth: 6.4 mm (0.25 in)
- Cone Material: Paper cone
- Dust Cap Material: Solid composition paper dust cap
- Surround Material: Cloth cone edge
- Chassis Material: Pressed steel basket
- Magnet Material: Ferrite magnet
- Magnet Weight: 20 oz
- Core Details: Vented core
- Sealed Enclosure Size: 5-7 L
- Vented Enclosure Size: 16.7-25.5 L
Thiele and Small parameters: Need some help? Read our quick guide to TS Params.
- Resonance (Fs) - 73 Hz
- DC Resistance (Re) - 5.3 Ohm
- Voice Coil Inductance (Le) - 0.44 mH
- Mechanical Q (Qms) - 4.6
- Electrical Q (Qes) - 0.68
- Total Q (Qts) - 0.59
- Compliance Equivalent Volume (Vas) - 17.7 L
- Peak Displacement Volume (Vd) - 67 cm3
- Compliance (Cms) - 0.28 mm/N
- Force Factor (BL) - 7.8 Tm
- Moving Mass - System (Mms) - 17 g
- Efficiency Bandwidth Product (EBP) - 107
- Maximum Linear Excursion (Xmax) - 3.2 mm
- Diaphragm Area (Sd) - 210 cm2
- Maximum Mechanical Excursion (Xmech) - 7.1 mm
Shipping Information
- Net Weight: 1.95 kg (4.3 lbs)
- Shipping Weight: 2.31 kg (5.1 lbs)
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Eminence Alpha 8A - 8" 125W 8 Ohm PDF data sheet (308 kb)
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