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 6" , 165 mm
Nominal Impedance* 8 ©
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
EMINENCE ALPHA 6A
THIELE & SMALL PARAMETERS :
Resonant Frequency ( fs) 118 Hz
DC Resistance ( Re) 7.2 ©
Coil Inductance ( Le) 0.19m H
Mechanical Q ( Qms) 5.68
Electromagnetic Q ( Qes) 0.6
Total Q ( Qts) 0.54
Compliance Equivalent Volume ( Vas) 5.8 liters / 0.2 cu.ft.
Peak Diaphragm Displacement Volume ( Vd) 44 cc
Mechanical Compliance of Suspension ( Cms) 0.26 mm/ N
BL Product ( BL) 8 T-M
Diaphragm Mass Inc. Airload ( MMs) 7 grams
Efficiency Bandwidth Product ( EBP) 197
Maximum Linear Excursion ( Xmax) 3.5 mm
Surface Area of Cone ( Sd) 126.7 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