Eminence Alpha 12 150W 12 inch 8 Ohm Speaker Driver
Ideal as a woofer for small two way systems, and keyboard and guitar combos.
Specification:
-
Nominal Basket Diameter 12", 304.8mm
- Nominal Impedance* 8 ohms
- Power Rating: Watts 150W, Music Program 300W
- Resonance 49Hz
- Usable Frequency Range 51Hz - 4.3kHz
- Sensitivity*** 95.6dB
- Magnet Weight 20 oz.
- Gap Height 0.25", 6.35mm
- Voice Coil Diameter 1.5", 38.1mm
Thiele & Small Parameters:
- Resonant Frequency (fs) 49Hz
- DC Resistance (Re) 6.3
- Coil Inductance (Le) 0.79mH
- Mechanical Q (Qms) 6.53
- Electromagnetic Q (Qes) 0.88
- Total Q (Qts) 0.77
- Compliance Equivalent Volume (Vas) 121.5 liters / 4.3 cu.ft.
- Peak Diaphragm Displacement Volume (Vd) 125cc
- Mechanical Compliance of Suspension (Cms) 0.32mm/N
- BL Product (BL) 8.5 T-M
- Diaphragm Mass Inc. Airload (MMs) 33 grams
- Efficiency Bandwidth Product (EBP) 56
- Maximum Linear Excursion (Xmax) 2.4mm
- Surface Area of Cone (Sd) 519.5 cm2
- Maximum Mechanical Limit (Xlim) 6.6mm
Mounting Information:
- Recommended Enclosure Volume
- Sealed 17-22.7 liters / 0.6-0.8 cu.ft.
- Vented 56.6-113.3 liters / 2-4 cu.ft.
- Driver Volume Displaced 108.9 cu.in. / 1.78 liters
- Overall Diameter 12.26", 311.4mm
- Baffle Hole Diameter 11", 279.5mm
- Front Sealing Gasket Fitted as standard
- Rear Sealing Gasket Fitted as standard
- Mounting Holes Diameter 0.25", 6.4mm
- Mounting Holes B.C.D. 11.71", 297.5mm
- Depth 4.73", 120mm
- Net Weight 5.3 lbs, 2.4 kg
- Shipping Weight 7.4 lbs, 3.4 kgs
Materials of Construction:
-
Coil Construction Copper voice coil
- Coil Former Polyimide former
- Magnet Composition Ferrite magnet
- Core Details Vented and extended core
- Basket Materials Pressed steel basket
- Cone Composition Paper Cone
- Cone Edge Composition Cloth cone edge
- Dust Cap Composition Solid composition felt dust cap
Detailed specifications unavailable, please EMAIL the sales office for additional information.
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Eminence Alpha 12 Four Pack is a package consisting of the following items:
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