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Eminence DELTA PRO-12A: 12 inch Pro Woofer

Price: $139.99 $129.99

Recommended for professional audio in both sealed and vented enclosures. Ideal for full-range, mid/hi, and monitor wedges.
400 watts / 52-4.5kHz / 2.5″ voice coil
Die-cast aluminum basket
8 ohms

SKU: DELTA PRO-12A Categories: , ,

Description

DELTA PRO-12A

Recommended for professional audio in both sealed and vented enclosures. Ideal for full-range, mid/hi, and monitor wedges.

Click Here to Download PDF Spec Sheet

Click Here to Download PDF Cabinet Design

Specs:

Nominal Basket Diameter 12″, 304.8mm

Nominal Impedance* 8 ohms

Power Rating Watts 400W

Music Program 800W

Resonance 51Hz

Usable Frequency Range 52Hz-4.5kHz

Sensitivity*** 99.2

Magnet Weight 80 oz.

Gap Height 0.375″, 9.53mm

Voice Coil Diameter 2.5″, 63.5mm

Thiele & Small Parameters:

Resonant Frequency (fs) 51Hz

DC Resistance (Re) 5.71

Coil Inductance (Le) 0.84mH

Mechanical Q (Qms) 7.56

Electromagnetic Q (Qes) 0.37

Total Q (Qts) 0.35

Compliance Equivalent Volume (Vas) 81.7 liters / 2.9 cu.ft.

Peak Diaphragm Displacement Volume (Vd) 242cc

Mechanical Compliance of Suspension (Cms) 0.21mm/N

BL Product (BL) 15.3 T-M Diaphram Mass inc.

Airload (Mms) 48 grams

Efficiency Bandwidth Product (EBP) 138

Maximum Linear Excursion (Xmax) 4.6mm

Surface Area of Cone (Sd) 532.4 cm2

Maximum Mechanical Limit (Xlim) 13.7mm

Mounting Information:

Recommended Enclosure

Sealed 28-35 liters/1-1.25 cu.ft.

Vented 31-91 liters/1.1-3.2 cu.ft.

Overall Diameter 12.38″, 314.5mm

Baffle Hole Diameter 11.07″, 281mm

Front Sealing Gasket Fitted as standard

Rear Sealing Gasket Fitted as standard

Mounting Holes Diameter 0.27″, 6.9mm

Mounting Holes B.C. D. 11.57″, 293.8mm

Depth 6.22″, 158mm

Net Weight 16.3 lbs., 7.4 kg

Shipping Weight 18 lbs., 8.2 kg

Materials of Construction:

Coil Construction Aluminum voice coil

Coil Former Polyimide former

Magnet Composition Ferrite magnet

Core Details Vented and extended core

Basket Materials Die-cast aluminum basket

Cone Composition Paper Cone

Cone Edge Composition Cloth cone edge

Dustcap Composition Solid composition paper dust cap