Description
DELTA-12A Standard American
Recommandé pour les applications professionnelles audio, en tant que transducteur de médium ou boomer (avec filtre passe-haut) dans des enceintes bass reflex.
SPECIFICATION
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Nominal Basket Diameter 12", 304.8 mm
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Nominal Impedance 8 ohms
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Power Rating Watts 400 W / Music Program 800 W
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Resonance 55 Hz
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Usable Frequency Range 54 Hz - 5 kHz
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Sensitivity 98.3
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Magnet Weight 56 oz.
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Gap Height 0.375", 9.53 mm
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Voice Coil Diameter 2.5", 63.5 mm
THIELE & Small Parameters
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Resonant Frequency (fs) 55 Hz
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DC Resistance (Re) 6.3
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Coil Inductance (Le) 0.74 mH
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Mechanical Q (Qms) 5.27
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Electromagnetic Q (Qes) 0.46
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Total Q (Qts) 0.43
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Compliance Equivalent Volume 81.3 liters (Vas) 81.3 liters / 2.9 cu. ft.
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Peak Diaphragm Displacement Volume 125 cc
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Mechanical Compliance of Suspension 0.21 mm/N
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BL Product (BL) 13.5 T-M
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Diaphragm Mass inc. Airload (Mms) 39 grams
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Efficiency Bandwidth Product (EBP) 120
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Maximum Linear Excursion (Xmax) 2.4 mm
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Surface Area of Cone (Sd) 519.5 cm²
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Maximum Mechanical Limit (Xlim) 9.9 mm
MOUNTING Information
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Recommended Enclosure Volume
Sealed N/A
Vented 25.5-85 liters/0.9-3 cu.ft.
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Overall Diameter 12.03", 305.5 mm
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Baffle Hole Diameter 10.95", 278.1 mm
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Front Sealing Gasket fitted as standard
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Rear Sealing Gasket fitted as standard
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Mounting Holes Diameter 0.25", 6.4 mm
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Mounting Holes B.C.D. 11.59", 294.3 mm
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Depth 5.35", 136 mm
MATERIALS of Construction
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Aluminum voice coil
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Polyimide former
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Ferrite magnet
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Vented core
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Pressed steel basket
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Paper Cone
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Cloth cone edge
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Solid composition felt dust cap
Nederlands
English