Driver - Eminence®, 12", Delta Pro 12-450-4, 450W, 4Ω, Ferrite

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Driver - Eminence®, 12", Delta Pro 12-450-4, 450W, 4Ω, Ferrite

Note: special order items require additional lead time. See our page on special order items.

Special Order Item

The Delta Pro 12-450 is a lighter weight version of the Delta Pro 12. Recommended as a woofer or mid/bass in vented enclosures. Also makes a perfect replacement in many portable PA cabinets

Item ID:
Product Measurements by Type
Baffle Hole Diameter11.07 in.
Basket MaterialDie-cast aluminum basket
Coil Constructionaluminium voice coil
Coil FormerPolyimide former
Coil Inductance (le)0.45 mH
Cone CompositionPaper cone
Cone Edge CompositionCloth cone edge
Core DetailsVented and extended core
D.C. Resistance (Re) 3.65 Ω
Depth5.5 in.
Driver Volume Displaced2.25 liters
Dust Cap CompositionPaper dust cap
Efficiency Bandwidth Product (ebp)110
Electrical Q Factor (Qes)0.41
Equivalent Acoustic Volume (VAS)137.73 liters
Force Factor (BxL)9.51 Wb/m
Front Sealing GasketYes
Gap Height7.9 mm
Linear Displacement, maximum (XMAX)5.2 mm
Magnet CompositionFerrite
Magnet Weight56 oz.
Mechanical Compliance (CMS)0.35 mm/N
Mechanical Limit, maximum (XLIM)13.7 mm
Mechanical Moving Mass (MMS)36 g
Mechanical Q Factor (QMS)7.97
Mounting Hole Bolt Circle Diameter293.9 mm
Mounting Hole Diameter6.9 mm
Nominal Basket Diameter12 in.
Nominal Impedance4 Ω
Overall Diameter314.5 mm
Peak Diaphragm Displacement Volume (vd)271.5 cm3
Power Rating450 W
Program Power Rating900 W
Rear Sealing GasketYes
Recommended Enclosure Volume, vented33.97 liters - 99.1 liters
Resonance45 Hz
Resonance Frequency (ƒS)45 Hz
Sensitivity97.4 dB
Surface Area Of Cone (sd)532.4 cm2
Total Q Factor (QTS)0.39
Usable Frequency Range45 Hz - 3.8 kHz
Voice Coil Diameter2.5 in.
Packaging Information
Packaging Dimensions13 in. × 13 in. × 6.5 in.
Weight (Packaging)14 lbs.
PDF: Cabinet DesignAll Models
PDF: Specification SheetAll Models

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Specifications, Files, and Documents

PDF: Cabinet Design Cabinet Design161.7 KB
PDF: Specification Sheet Specification Sheet509.47 KB

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