Eminence Professional Alpha-6a Woofer 100 W (rms) / 200 W (pmpo) (alpha6a)

This item is brand-new, factory sealed.

This table charts the specifications for the ALPHA-6A speaker
* Nominal Basket Diameter: 6-in , 165 mm.
* Nominal Impedance: 8 Ohms.
* 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-in , 6.4 mm.
* Voice Coil Diameter: 1.5-in , 38 mm.
* Thiele & Small Parameters.
* Resonant Frequency (fs): 118 Hz.
* DC Resistance (Re): 7.2 Ohms.
* 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.
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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-in , 167.4 mm.
* Baffle Hole Diameter: 5.65-in , 143.5 mm.
* Front Sealing Gasket: Yes.
* Rear Sealing Gasket: Yes.
* Mounting Holes Diameter: 0.23-in , 5.8mm.
* Mounting Holes B.C.D.: 6.06-in , 153.9mm.
* Depth: 2.8-in , 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 & extended core.
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* Basket Materials: Pressed steel basket.
* Cone Composition: Paper cone.
* Cone Edge Composition: Cloth cone edge.
* Dust Cap Composition: Solid composition paper dust cap. [Single]