Eminence Professional DELTA PRO-12A Speaker – 400 W RMS – 800 W PMPO

Description

This item is brand-new, factory sealed.

This table charts the specifications for the DELTA PRO-12A speaker
* Nominal Basket Diameter: 12-in , 305 mm.
* Nominal Impedance: 8 Ohms.
* Power Rating:
* Watts: 400 W.
* Music Program: 800 W.
* Resonance: 51 Hz.
* Usable Frequency Range: 52 Hz – 4.5 kHz.
* Sensitivity: 99.2 dB.
* Magnet Weight: 80 oz..
* Gap Height: 0.375-in , 9.5 mm.
* Voice Coil Diameter: 2.5-in , 64 mm.
* Thiele & Small Parameters.
* Resonant Frequency (fs): 51 Hz.
* DC Resistance (Re): 5.71 Ohms.
* Coil Inductance (Le): 0.84m H.
* Mechanical Q (Qms): 7.56.
* Electromagnetic Q (Qes): 0.37.
* Total Q (Qts): 0.35.
* Compliance Equivalent Volume (Vas): 81.7 liters / 2.89 cu.ft..
* Peak Diaphragm Displacement Volume (Vd): 242 cc.
* Mechanical Compliance of Suspension (Cms): 0.21 mm/N.
* BL Product (BL): 15.3 T-M.
* Diaphragm Mass Inc. Airload (MMs): 48 grams.
* Efficiency Bandwidth Product (EBP): 138.
* Maximum Linear Excursion (Xmax): 4.6 mm.
* Surface Area of Cone (Sd): 532.4 cm2.
* Maximum Mechanical Limit (Xlim): 13.7 mm.
———————————–
Recommended Enclosure Volume;
* Sealed: 28-35 liters / 1-1.25 cu.ft..
* Vented: 31-91 liters / 1.1-3.2 cu.ft..
* Driver Volume Displaced: 0.09 cu.ft. / 2.55 liters.
* Overall Diameter: 12.38-in , 314.5 mm.
* Baffle Hole Diameter: 11.07-in , 281.2 mm.
* Front Sealing Gasket: Yes.
* Rear Sealing Gasket: Yes.
* Mounting Holes Diameter: 0.27-in , 6.9mm.
* Mounting Holes B.C.D.: 11.69-in , 296.9mm.
* Depth: 6.22-in , 158 mm.
* Net Weight: 16.3 lbs, 7.39 kg.
* Shipping Weight: 18 lbs, 8.16 kgs.
* Materials of Construction.
* Coil Construction: Aluminum voice coil.
* Coil Former: Polyimide former.
* Magnet Composition: Ferrite magnet.
* Core Details: Vented & extended core.
———————————–.
* Basket Materials: Die-cast aluminum basket.
* Cone Composition: Paper cone.
* Cone Edge Composition: Cloth cone edge.
* Dust Cap Composition: Solid composition paper dust cap. [Single]

Features

Additional Information:

Driver Size: 12″

Driver Material: Paper

Country of Origin:
United States