Série DELTA-15A Standard American Recommandé pour les applications audio professionnelles, en tant que boomer/médium, ou pour retour de scène optimisé pour les voix, en coffret clos. Donne également de bons résultats en tant que boomer/médium ou boomer en coffret bass reflex.
SPECIFICATION
Nominal Basket Diameter 15", 381 mm
Nominal Impedance 8 ohms
Power Rating Watts 400 W / Music
Program 800 W Resonance 40 Hz
Usable Frequency Range 48 Hz - 4 kHz
Sensitivity 100 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) 40 Hz DC
Resistance (Re) 6.3
Coil Inductance (Le) 0.64 mH
Mechanical Q (Qms) 8.05
Electromagnetic Q (Qes) 0.57
Total Q (Qts) 0.53
Compliance Equivalent Volume (Vas) 270.7 liters / 9.56 cu.ft
Peak Diaphragm Displacement Volume (Vd) 233 cc
Mechanical Compliance of Suspension (Cms) 0.26 mm/N BL
Product (BL) 13.2 T-M
Diaphragm Mass inc. Airload (Mms) 62 grams
Efficiency Bandwidth Product (EBP) 70
Maximum Linear Excursion (Xmax) 2.7 mm
Surface Area of Cone (Sd) 864.6 cm²
Maximum Mechanical Limit (Xlim) 11.1 mm
MOUNTING Information
Recommended Enclosure Volume Sealed 37-42.5 liters/1.3-1.5 cu.ft.
Vented 82-161.4 liters/2.9-5.7cu.ft.
Overall Diameter 15.15", 384.8 mm
Baffle Hole Diameter 13.77", 349.6 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. 14.56", 369.9 mm
Depth 6.05", 154 mm
MATERIALS of Construction Aluminum voice coil
Polyimide former Ferrite magnet
Vented core
Pressed steel basket
Paper Cone
Cloth cone edge
Solid composition paper dust cap