Recommended for professional audio subwoofer and woofer applications in sealed and vented enclosures. Not for horn-loading or scoops.
Specification:
- Nominal Basket Diameter 18", 457.2mm
- Nominal Impedance* 4 ohms
- Power Rating: Watts 1250W, Music Program 2500W
- Resonance 32Hz
- Usable Frequency Range 33Hz - 0.3kHz
- Sensitivity*** 94.8dB
- Magnet Weight 109 oz.
- Gap Height 0.37", 9.53mm
- Voice Coil Diameter 4", 101.6mm
Thiele & Small Parameters:
- Resonant Frequency (fs) 32Hz
- Coil Inductance (Le) 1.59mH
- Mechanical Q (Qms) 10.15
- Electromagnetic Q (Qes) 0.49
- Total Q (Qts) 0.47
- Compliance Equivalent Volume (Vas) 331.5 liters / 11.7 cu.ft.
- Peak Diaphragm Displacement Volume (Vd) 1159cc
- Mechanical Compliance of Suspension (Cms) 0.18mm/N
- BL Product (BL) 17.2 T-M
- Diaphragm Mass Inc. Airload (MMs) 143.17 grams
- Efficiency Bandwidth Product (EBP) 64.9
- Maximum Linear Excursion (Xmax) 10mm
- Surface Area of Cone (Sd) 1159 cm2
- Maximum Mechanical Limit (Xlim) 19.2mm
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