High power rating and a big, clean sound.

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The Eminence Commonwealth 15" Guitar Speaker delivers warm and rich tone, very clean and well defined. Great presence! Very full and smooth. Very little cone break-up, but likes overdrive.

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Eminence Commonwealth 15" Guitar Speaker Features:

Good for all genresClean, warm, full, non-distorted, un-adulterated guitar tone

Eminence Commonwealth 15" Guitar Speaker Specifications:

SpecificationNominal Basket Diameter: 15", 381mmNominal Impedance*: 4 ohmsPower Rating**: 225WResonance: 52HzUsable Frequency Range: 50Hz-4kHzSensitivity***: 100.8Magnet Weight: 109 oz.Gap Height: 0.29", 7.2mmVoice Coil Diameter: 4", 101.6mmThiele & Small ParametersResonant Frequency (fs): 52HzDC Resistance (Re): 3.72Coil Inductance (Le): 0.22mHMechanical Q (Qms): 6.75Electromagnetic Q (Qes): 0.57Total Q (Qts): 0.53Compliance Equivalent Volume (Vas): 163 liters / 5.8 cu. ft.Peak Diaphragm Displacement Volume (Vd): 29ccMechanical Compliance of Suspension (Cms): 0.15mm/NBL Product (BL): 11.8 T-MDiaphragm Mass inc. Airload (Mms): 65 gramsEfficiency Bandwidth Product (EBP): 91Maximum Linear Excursion (Xmax): 0.3mmSurface Area of Cone (Sd): 889.6 cm2Mounting InformationRecommended Enclosure Volume: Sealed: Acceptable Vented: AcceptableOverall Diameter: 15.28", 388.0mmBaffle Hole Diameter: 14.06", 357.0mmFront Sealing Gasket: fitted as standardRear Sealing Gasket:Mounting Holes Diameter: 0.26", 6.5mmMounting Holes B.C.D.: 14.57", 370.0mmDepth: 6", 152mmNet Weight: 22.6 lbs., 10.3 kgShipping Weight: 24.8 lbs., 11.3 kgMaterials of ConstructionAluminum voice coilPolyimide formerFerrite magnetVented coreDie-cast aluminum basketPaper ConeCloth cone edgeAluminum dust cap *Please inquire about alternative impedances.**Multiple units exceed published rating evaluated under EIA 426A noise source and test standard while in a free-air, non-temperature controlled environment.***The average output across the usable frequency range when applying 1W/1M into the nominal impedance. Ie: 2.83V/8ohms, 4V/16ohms.Eminence response curves are measured under the following conditions: All speakers are tested at 1w/1m using a variety of test set-ups for the appropriate impedance | LMS using 0.25" supplied microphone (softwarecalibrated) mounted 1m from wall/baffle | 2ft. X 2ft. baffle is built into the wall with the speaker mounted flush against a steel ring for minimum diffraction | Hafler P1500 Trans-Nova amplifier | 2700 cu.ft. chamber withfiberglass on all six surfaces (three with custom-made wedges)

Eminence Commonwealth 15" Guitar Speaker

7 year parts and labor warranty against defects on all speakers sold under Eminence name.

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