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[Eminence Delta 12] |
Eminence Delta 12 |
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DELTA-12A Standard American
Recommended for professional audio as a mid-bass or woofer (with high-pass filter) in vented enclosures.
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 T-M
* 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 B.C.D. 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 |
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