Here's the specs,
Thanks to the ultra light neodymium magnet, this speaker only weighs a mere 5.7 pounds.
Recommended for professional audio as a mid/hi or full-range and monitor; also for bass guitar. Works well in sealed or vented enclosures.
SPECIFICATION
Nominal Basket Diameter 15", 381mm
Nominal Impedance* 8 ohms
Power Rating
Watts 300W
Music Program 600W
Resonance 42Hz
Usable Frequency Range 54Hz-3.7kHz
Sensitivity*** 99.2
Magnet Weight 7 oz.
Gap Height 0.275", 7mm
Voice Coil Diameter 2.5", 63.5mm
THIELE & SMALL PARAMETERS
Resonant Frequency (fs) 42Hz
DC Resistance (Re) 5.29
Coil Inductance (Le) 1.15mH
Mechanical Q (Qms) 4.56
Electromagnetic Q (Qes) 0.41
Total Q (Qts) 0.38
Compliance Equivalent Volume (Vas) 204 liters / 7.2 cu.ft.
Peak Diaphragm Displacement Volume (Vd) 411cc
Mechanical Compliance of Suspension (Cms) 0.20mm/N
BL Product (BL) 15.7 T-M
Diaphram Mass inc. Airload (Mms) 72 grams
Efficiency Bandwidth Product (EBP) 103
Maximum Linear Excursion (Xmax) 4.8mm
Surface Area of Cone (Sd) 856.3 cm2
Maximum Mechanical Limit (Xlim) 9.0mm
Also, I no longer need the Delta-12LFC in trade as I just bought a pair.
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