Genuine Eminence 6.5
Genuine Eminence Alpha 6A

Genuine Eminence 6.5" Alpha 6A, 8 Ohms, EM-ALPHA 6A

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Part Number: EM-ALPHA 6A
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Genuine Eminence Alpha 6A, 8 Ohms, Part # EM-ALPHA 6A 
Eminence Alpha 6A
Spec Sheet
Cabinet Design

Nominal Basket Diameter 6", 165 mm
Nominal Impedance* 8 Ω
Power Rating**
Watts 100 W
Music Program 200 W
Resonance 118 Hz
Usable Frequency Range 95 Hz - 6 kHz
Sensitivity*** 93.6 dB
Magnet Weight 20 oz.
Gap Height 0.25", 6.4 mm
Voice Coil Diameter 1.5", 38 mm
Thiele & Small Parameters:
Resonant Frequency (fs) 103 Hz
DC Resistance (Re) 7.47 Ω
Coil Inductance (Le) 0.45m H
Mechanical Q (Qms) 3.9
Electromagnetic Q (Qes) 0.64
Total Q (Qts) 0.55
Compliance Equivalent Volume (Vas) 6.15 liters / 0.217 cu.ft.
Peak Diaphragm Displacement Volume (Vd) 44 cc
Mechanical Compliance of Suspension (Cms) 0.25 mm/N
BL Product (BL) 8.52 T-M
Diaphragm Mass Inc. Airload (MMs) 10 grams
Efficiency Bandwidth Product (EBP) 159
Maximum Linear Excursion (Xmax) 3.5 mm
Surface Area of Cone (Sd) 133.1 cm2
Maximum Mechanical Limit (Xlim) 4. mm
Mounting Information:
Recommended Enclosure Volume:
Sealed 2.8-5.7 liters / 0.1-0.2 cu.ft.
Vented 3.4-15.6 liters / 0.12-0.55 cu.ft.
Driver Volume Displaced 0.014 cu.ft. / 0.41 liters
Overall Diameter 6.59", 167.4 mm
Baffle Hole Diameter 5.65", 143.5 mm
Front Sealing Gasket Yes
Rear Sealing Gasket Yes
Mounting Holes Diameter 0.23", 5.8mm
Mounting Holes B.C.D. 6.06", 153.9mm
Depth 2.8", 71.1 mm
Net Weight 4.1 lbs, 1.86 kg
Shipping Weight 4.8 lbs, 2.18 kgs
Materials of Construction:
Coil Construction Copper voice coil
Coil Former Polyimide former
Magnet Composition Ferrite magnet
Core Details Vented and extended core
Basket Materials Pressed steel basket
Cone Composition Paper cone
Cone Edge Composition Cloth cone edge
Dust Cap Composition Solid composition paper dust cap


UPC: 700621990949

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