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Delta 12A

Delta 12A

DELTA PRO-12A

DELTA PRO-12A
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NZ $450.00
incl GST
Stock Level:
Qty.
Recommended for professional audio in both sealed and vented enclosures. Ideal for full-range, mid/hi, and monitor wedges.
Recommended for professional audio in both sealed and vented enclosures. Ideal for full-range, mid/hi, and monitor wedges.
Specification
Nominal Basket Diameter 12", 304.8mm
Nominal Impedance* 8 ohms
Power Rating**
Watts 400W
Music Program 800W
Resonance 51Hz
Usable Frequency Range 52Hz - 4.5kHz
Sensitivity*** 99.2dB
Magnet Weight 80 oz.
Gap Height 0.37", 9.53mm
Voice Coil Diameter 2.5", 63.5mm
Thiele & Small Parameters
Resonant Frequency (fs) 51Hz
DC Resistance (Re) 5.71
Coil Inductance (Le) 0.84mH
Mechanical Q (Qms) 7.56
Electromagnetic Q (Qes) 0.37
Total Q (Qts) 0.35
Compliance Equivalent Volume (Vas) 81.7 liters / 2.9 cu.ft.
Peak Diaphragm Displacement Volume (Vd) 242cc
Mechanical Compliance of Suspension (Cms) 0.21mm/N
BL Product (BL) 15.3 T-M
Diaphragm Mass Inc. Airload (MMs) 48 grams
Efficiency Bandwidth Product (EBP) 138
Maximum Linear Excursion (Xmax) 4.6mm
Surface Area of Cone (Sd) 532.4 cm2
Maximum Mechanical Limit (Xlim) 13.7mm
Mounting Information
Recommended Enclosure Volume
Sealed 28-35 liters / 1-1.25 cu.ft.
Vented 31-91 liters / 1.1-3.2 cu.ft.
Driver Volume Displaced 155.5 cu.in. / 2.55 liters
Overall Diameter 12.38", 314.5mm
Baffle Hole Diameter 11.07", 281mm
Front Sealing Gasket Fitted as standard
Rear Sealing Gasket Fitted as standard
Mounting Holes Diameter 0.27", 6.98mm
Mounting Holes B.C.D. 11.69", 296.93mm
Depth 6.22", 158mm
Net Weight 16.3 lbs, 7.4 kg
Shipping Weight 18 lbs, 8.2 kgs
Materials of Construction
Coil Construction Aluminum voice coil
Coil Former Polyimide former
Magnet Composition Ferrite magnet
Core Details Vented and extended core
   
Basket Materials Die-cast aluminum basket
Cone Composition Paper cone
Cone Edge Composition Cloth cone edge
Dust Cap Composition Solid composition paper dust cap

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F:    + 64 9 378 0542
E:    john@livesound.co.nz
       ben@livesound.co.nz 
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Auckland, New Zealand

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