Description: Recommended for professional audio as a woofer in vented enclosures. SPECIFICATIONNominal Basket Diameter18", 457 mmNominal Impedance*8 ΩPower Rating*Program Power1300 WWatts650 WResonance28 HzUsable Frequency Range41 Hz - 2.4 kHzSensitivity*99 dBMagnet Weight120 oz.Gap Height0.375", 9.5 mmVoice Coil Diameter3", 76 mmTHIELE & SMALL PARAMETERSResonant Frequency (fs)28 HzDC Resistance (Re)6.29 ΩCoil Inductance (Le)1.9m HMechanical Q (Qms)8.28Electromagnetic Q (Qes)0.3Total Q (Qts)0.29Compliance Equivalent Volume (Vas)441.2 liters / 15.58 cu.ft.Peak Diaphragm Displacement Volume (Vd)695 ccMechanical Compliance of Suspension (Cms)0.24 mm/NBL Product (BL)22.1 T-MDiaphragm Mass Inc. Airload (MMs)130 gramsEfficiency Bandwidth Product (EBP)93Maximum Linear Excursion (Xmax)6.1 mmSurface Area of Cone (Sd)1140 cm2Maximum Mechanical Limit (Xlim)18 mmMOUNTING INFORMATIONRecommended Enclosure VolumeSealedN/aVented93-212 liters / 3.3-7.5 cu.ft.Driver Volume Displaced0.234 cu.ft. / 6.62 litersOverall Diameter18", 457.2 mmBaffle Hole Diameter16.56", 420.6 mmFront Sealing GasketYesRear Sealing GasketYesMounting Holes Diameter0.28", 7.1mmMounting Holes B.C.D.17.25", 438.2mmDepth8.15", 207 mmNet Weight24.5 lbs, 11.11 kgShipping Weight28.1 lbs, 12.75 kgsMATERIALS OF CONSTRUCTIONCoil ConstructionCopper voice coilCoil FormerPolyimide formerMagnet CompositionFerrite magnetCore DetailsVented and extended core Basket MaterialsDie-cast aluminum basketCone CompositionPaper coneCone Edge CompositionCloth cone edgeDust Cap CompositionSolid composition paper dust cap
Price: 249.99 USD
Location: Cleveland, Ohio
End Time: 2024-12-18T17:21:09.000Z
Shipping Cost: 0 USD
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Item Specifics
All returns accepted: ReturnsNotAccepted
Brand: Eminence
Type: Subwoofer
Model: Eminence sigma pro 18A-2
Connectivity: Wired
