Eminence Delta ED12A

Eminence Delta ED12A

 

SPECIFICATION

• Nominal Basket Diameter 12 ", 304.8 mm
• Nominal Impedance 8 ohms
• Power Rating Watts 400 W / Music Program 800 W
• Resonance 55 Hz
• Usable Frequency Range 54 Hz - 5 kHz
• Sensitivity 98.3
• Magnet Weight 56 ​​oz.
• Gap Height 0.375 ", 9.53 mm
• Voice Coil Diameter 2.5 ", 63.5 mm

THIELE & Small Parameters

• Resonant Frequency (fs) 55 Hz
• DC Resistance (Re) 6.3
• Coil Inductance (Le) 0.74 mH
• Mechanical Q (Qms) 5.27
• Electromagnetic Q (Qes) 0.46
• Total Q (Qts) 0.43
• Compliance Equivalent Volume 81.3 liters (Vas) 81.3 liters / 2.9 cu. ft.
• Peak Diaphragm Displacement Volume 125 cc
• Mechanical Compliance of Suspension 0.21 mm / N
• BL Product (BL) 13.5 TM
• Diaphragm Mass inc. Airload (Mms) 39 grams
• Efficiency Bandwidth Product (EBP) 120
• Maximum Linear Excursion (Xmax) 2.4 mm
• Surface Area of ​​Cone (Sd) 519.5 cm²
• Maximum Mechanical Limit (Xlim) 9.9 mm

MOUNTING Information

• Recommended Enclosure Volume 
  Sealed N / A 
  Vented 25.5-85 liters / 0.9-3 cu.ft.
• Overall Diameter 12.03 ", 305.5 mm
• Baffle Hole Diameter 10.95 ", 278.1 mm
• Front Sealing Gasket fitted as standard
• Rear Sealing Gasket fitted as standard
• Mounting Holes Diameter 0.25 ", 6.4 mm
• Mounting Holes BCD 11.59 ", 294.3 mm
• Depth 5.35 ", 136 mm 

MATERIALS of Construction

• Aluminum voice coil
• Polyimide former
• Ferrite magnet
• Vented core
• Pressed steel basket
• Paper Cone
• Cloth cone edge
• Solid composition felt dust cap