Eminence 620H 6" 4 Ohm Guitar Speaker

This item is brand-new, factory sealed.

This table charts the specifications for the 620H speaker
* Nominal Basket Diameter: 6.5-in , 165 mm. -->
* Nominal Basket Diameter: 6-in , 165 mm.
* Nominal Impedance: 4 Ohms.
* Power Rating:
* Watts: 20 W.
* Music Program: 40 W.
* Resonance: 114 Hz.
* Usable Frequency Range: 100 Hz - 5.3 kHz.
* Sensitivity: 94.6 dB.
* Magnet Weight: 15 oz..
* Gap Height: 0.25-in , 6.4 mm.
* Voice Coil Diameter: 1-in , 25 mm.
* Thiele & Small Parameters.
* Resonant Frequency (fs): 114 Hz.
* DC Resistance (Re): 3.94 Ohms.
* Coil Inductance (Le): 0.25m H.
* Mechanical Q (Qms): 5.5.
* Electromagnetic Q (Qes): 0.54.
* Total Q (Qts): 0.49.
* Compliance Equivalent Volume (Vas): 8.67 liters / 0.31 cu.ft..
* Peak Diaphragm Displacement Volume (Vd): 5.3 cc.
* Mechanical Compliance of Suspension (Cms): 0.32 mm/N.
* BL Product (BL): 5.62 T-M.
* Diaphragm Mass Inc. Airload (MMs): 6 grams.
* Efficiency Bandwidth Product (EBP): 210.
* Maximum Linear Excursion (Xmax): 0.4 mm.
* Surface Area of Cone (Sd): 139.7 cm2.
* Maximum Mechanical Limit (Xlim): N/A.
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Recommended Enclosure Volume;
* Sealed: Acceptable.
* Vented: Acceptable.
* Driver Volume Displaced: 0.011 cu.ft. / 0.3 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: 2.9 lbs, 1.32 kg.
* Shipping Weight: 3.6 lbs, 1.63 kgs.
* Materials of Construction.
* Coil Construction: Copper voice coil.
* Coil Former: Paper former.
* Magnet Composition: Ferrite magnet.
* Core Details: Non-vented core.
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* Basket Materials: Pressed steel basket.
* Cone Composition: Paper cone.
* Cone Edge Composition: Full molded paper cone.
* Dust Cap Composition: Paper dust cap.