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| [Eminence Alpha EA8A] |
| Eminence Alpha EA8A |
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| ALPHA- Serie 100W- 200W
Recommended for professional audio mid-range applications in a sealed cabinet, or as a mid-bass in a vented
satellite enclosure.
SPECIFICATION
* Nominal Basket Diameter 8", 203.2 mm
* Nominal Impedance 8 ohms
* Power Rating Watts 125 W / Music Program 250 W
* Resonance 73 Hz
* Usable Frequency Range 58 Hz - 5 kHz
* Sensitivity 94
* Magnet Weight 20 oz.
* Gap Height 0.25", 6.35 mm
* Voice Coil Diameter 1.5", 38.1 mm
THIELE & Small Parameters
* Resonant Frequency (fs) 73 Hz
* DC Resistance (Re) 5.3
* Coil Inductance (Le) 0.44 mH
* Mechanical Q (Qms) 4.6
* Electromagnetic Q (Qes) 0.68
* Total Q (Qts) 0.59
* Compliance Equivalent Volume (Vas) 17.7 liters / 0.6 cu. ft.
* Peak Diaphragm Displacement Volume (Vd) 67 cc
* Mechanical Compliance of Suspension (Cms) 0.28 mm/N
* BL Product (BL) 7.8 T-M
* Diaphragm Mass inc. Airload (Mms) 17 grams
* Efficiency Bandwidth Product (EBP) 107
* Maximum Linear Excursion (Xmax) 3.2 mm
* Surface Area of Cone (Sd) 210.0 cm²
* Maximum Mechanical Limit (Xlim) 7.1 mm
MOUNTING Information
* Recommended Enclosure Volume
Sealed 5-7 liters / 0.18-0.25 cu. ft.
Vented 16.7-25.5 liters / 0.59-0.90 cu. ft.
* Overall Diameter 8.24", 209.2 mm
* Baffle Hole Diameter 7.13", 181 mm
* Front Sealing Gasket fitted as standard
* Rear Sealing Gasket fitted as standard
* Mounting Holes Diameter 0.22", 5.5 mm
* Mounting Holes B.C.D. 7.75", 196.9 mm
* Depth 3.25", 83 mm
MATERIALS of Construction
* Copper voice coil
* Polyimide former
* Ferrite magnet
* Vented core
* Pressed steel basket
* Paper Cone
* Cloth cone edge
* Solid composition paper dust cap |
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Drivers
