EMINENCE COMMONWEALTH12

12-in Pro Guitar Speaker, 225W, 8 ohms w/Aluminum voice coil
SKU: COMMONWEALTH12
Availability: Out of stock

* Nominal Basket Diameter: 12-in , 305 mm.
* Nominal Impedance: 8 Ohms.
* Power Rating:
* Watts: 225 W.
* Music Program: N/A.
* Resonance: 50 Hz.
* Usable Frequency Range: 50 Hz - 4 kHz.
* Sensitivity: 100 dB.
* Magnet Weight: 109 oz..
* Gap Height: 0.29-in , 7.4 mm.
* Voice Coil Diameter: 4-in , 102 mm.
* Thiele & Small Parameters.
* Resonant Frequency (fs): 50 Hz.
* DC Resistance (Re): 6.34 Ohms.
* Coil Inductance (Le): 0.46m H.
* Mechanical Q (Qms): 6.61.
* Electromagnetic Q (Qes): 0.35.
* Total Q (Qts): 0.33.
* Compliance Equivalent Volume (Vas): 90.2 liters / 3.19 cu.ft..
* Peak Diaphragm Displacement Volume (Vd): 36.4 cc.
* Mechanical Compliance of Suspension (Cms): 0.24 mm/N.
* BL Product (BL): 15.7 T-M.
* Diaphragm Mass Inc.
Airload (MMs): 43 grams.
* Efficiency Bandwidth Product (EBP): 143.
* Maximum Linear Excursion (Xmax): 0.7 mm.
* Surface Area of Cone (Sd): 519.5 cm2.
* Maximum Mechanical Limit (Xlim): N/A.
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Recommended Enclosure Volume;
* Sealed: Acceptable.
* Vented: Acceptable.
* Driver Volume Displaced: 0.104 cu.ft.
/ 2.94 liters.
* Overall Diameter: 12.29-in , 312.2 mm.
* Baffle Hole Diameter: 11.06-in , 280.9 mm.
* Front Sealing Gasket: Yes.
* Rear Sealing Gasket: N/A.
* Mounting Holes Diameter: 0.27-in , 6.9mm.
* Mounting Holes B.C.D.: 11.69-in , 296.9mm.
* Depth: 5-in , 127 mm.
* Net Weight: 21.5 lbs, 9.75 kg.
* Shipping Weight: 23.2 lbs, 10.52 kgs.
* Materials of Construction.
* Coil Construction: Aluminum voice coil.
* Coil Former: Polyimide former.
* Magnet Composition: Ferrite magnet.
* Core Details: Vented core.
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* Basket Materials: Die-cast aluminum basket.
* Cone Composition: Paper cone.
* Cone Edge Composition: Cloth cone edge.
* Dust Cap Composition: Aluminum dust cap.