Description

DELTA Series PRO-15A Professional

Recommended for professional audio in both sealed and vented enclosures. Ideal for full-range, mid/hi, and monitor wedges.
SPECIFICATION

• Nominal Basket Diameter 15″, 381 mm
• Nominal Impedance 8 ohms
• Power Rating Watts 400 W / Music Program 800 W
• Resonance 42 Hz
• Usable Frequency Range 54 Hz – 4.2 kHz
• Sensitivity 101.6
• Magnet Weight 80 oz.
• Gap Height 0.375″, 9.53 mm
• Voice Coil Diameter 2.5″, 63.5 mm

THIELE & Small Parameters

• Resonant Frequency (fs) 42 Hz
• DC Resistance (Re) 5.71
• Coil Inductance (Le) 0.83 mH
• Mechanical Q (Qms) 4.73
• Electromagnetic Q (Qes) 0.44
• Total Q (Qts) 0.40
• Compliance Equivalent Volume (Vas) 243.5 liters / 8.6 cu. ft.
• Peak Diaphragm Displacement Volume 368 cc
• Mechanical Compliance of Suspension (Cms) 0.24 mm/N
• BL Product (BL) 14.5 T-M
• Diaphragm Mass inc. Airload (Mms) 61 grams
• Efficiency Bandwidth Product (EBP) 95
• Maximum Linear Excursion (Xmax) 4.3 mm
• Surface Area of Cone (Sd) 856.3 cm2
• Maximum Mechanical Limit (Xlim) 13.7 mm

MOUNTING Information

• Recommended Enclosure Volume
  Sealed 28-42.5 liters/1-1.5 cu.ft.
  Vented 57-133 liters/2-4.7 cu.ft.
• Overall Diameter 15.32″, 389 mm
• Baffle Hole Diameter 14.0″, 356 mm
• Front Sealing Gasket fitted as standard
• Rear Sealing Gasket fitted as standard
• Mounting Holes Diameter 0.28″, 7.1 mm
• Mounting Holes B.C.D. 14.56″, 369.9 mm
• Depth 6.06″, 154 mm

MATERIALS of Construction

• Aluminum voice coil
• Polyimide former
• Ferrite magnet
• Vented and extended core
• Die-cast aluminum basket
• Paper Cone
• Cloth cone edge
• Solid composition paper dust cap
• (PLEASE CONTACT OUR OFFICE RE SHIPPING)