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Delta 12LFA 12" 500W PA Speaker

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Overview

Designed for high-power bass sound.

The Eminence Delta 12LFA 12" Bass Speaker is recommended for professional audio mid-bass or floor monitor applications in a sealed enclosure. Specially designed with extended Xmax to deliver more bass than standard models.
Available in 8 or 16 ohms. 500W power rating. Usable frequency range: 44Hz to 3kHz.

Eminence recommends the Delta 12LFA 12" bass speaker as a replacement in the Aguilar GS 112, Accugroove Tri112SL, and Behringer Eurolive B212 cabinets, and the Ashdown Electric Blue 12 combo amp

Specs

Delta 12LFA 12" 500W PA Speaker Specifications:

Specifications

Nominal Basket Diameter: 12", 304.8mm
Nominal Impedance: 8 ohms
Power Rating: Watts - 500W; Music Program - 1000W
Resonance: 51Hz
Usable Frequency Range: 44Hz-3kHz
Sensitivity: 94.6
Magnet Weight: 56 oz.
Gap Height: 0.375", 9.53mm
Voice Coil Diameter: 2.5", 63.5mm

Thiele & small parameters

Resonant Frequency (fs): 51Hz
DC Resistance (Re): 6.06
Coil Inductance (Le): 1.45mH
Mechanical Q (Qms): 7.28
Electromagnetic Q (Qes): 0.51
Total Q (Qts): 0.47
Compliance Equivalent Volume (Vas): 67.9 liters / 2.4 cu. ft.
Peak Diaphragm Displacement Volume (Vd): 243cc
Mechanical Compliance of Suspension (Cms): 0.19mm/N
BL Product (BL): 14.1 T-M
Diaphram Mass inc. Airload (Mms): 51 grams
Efficiency Bandwidth Product (EBP): 100
Maximum Linear Excursion (Xmax): 4.8mm
Surface Area of Cone (Sd): 506.7 cm2
Maximum Mechanical Limit (Xlim): 13.5mm

Mounting information

Recommended Enclosure
Sealed: 19.8-28 liters/0.7-1.0 cu.ft.
Vented: 25.5-102 liters/0.9-3.6 cu.ft.
Overall Diameter: 12.03", 305.5mm
Baffle Hole Diameter: 10.95", 278.1mm
Front Sealing Gasket: fitted as standard
Rear Sealing Gasket: fitted as standard
Mounting Holes Diameter: 0.25", 6.4mm
Mounting Holes B.C. D.: 11.59", 294.3mm
Depth: 5.35", 136mm
Net Weight: 11.8 lbs., 5.4 kg
Shipping Weight: 14 lbs., 6.4 kg

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
Dustcap Composition: Solid composition paper dust cap

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Delta 12LFA 12" 500W PA Speaker

Designed for high-power bass sound.

Delta 12LFA 12" 500W PA Speaker Specifications:

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