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Eminence Alpha-12A 12" American Standard Series Speaker, 8 Ohm

EminenceSKU: EMN ALPHA12A
MPN: ALPHA-12A UPC: 876358000043

Price:
Sale price$119.99
Stock:
2 In Stock & Ready to Ship

Key Features

  • 12" (304.8mm) Mid-Bass Driver
  • 150W @ 8 Ohms
  • Intended for Cabinet Install
  • 20oz Magnet
  • 51Hz - 4.3kHz Frequency Response

Description

12" Guitar/P.A. Driver, 8 Ohm, 150 Watt

Recommended for professional audio mid-bass applications in a small sealed or medium vented enclosure.

Applications: Woofer | Midbass | Pro Audio

Box Type: Sealed | Vented

The Eminence Alpha-12A 12" Guitar/PA speaker is an ideal replacement driver for two-way sound reinforcement systems, keyboard, guitar combos. Made in the USA. 7-year manufacturer's warranty!

Features:

  • Kapton coil former
  • Polyamide-imide coated copper voice coil
  • Ferrite magnet
  • Vented and extended pole piece
  • Pressed steel basket
  • Paper cone
  • Cloth accordian surround

Specifications:

  • 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: 11.06", 280.9mm
  • 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
Details
  • Manufacturer:  Eminence
  • MPN: ALPHA-12A
  • Model Number: Alpha-12A
  • UPC: 876358000043

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