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9 cm2 Maximum Mechanical Limit (Xlim) 7
5 mm MOUNTING INFORMATION Recommended Enclosure Volume Sealed N/a Vented 99
21 liters Overall Diameter 15
Voice coil material - Copper
3" W x H x D (mm) 152
SIGMA PRO-18A 18" Professional Series Speaker- v.2 High Pass 9 cm2 Maximum Mechanical LimitRecommended for professional audio as a woofer in vented enclosures. Applications Subwoofer Woofer Pro Audio Box Type: Vented Specifications Download Spec Sheet Download Cab Design SPECIFICATION Nominal Basket Diameter 18", 457 mm Nominal Impedance* 8 Power Rating* Program Power 1300 W Watts 650 W Resonance 28 Hz Usable Frequency Range 41 Hz 2. 4 kHz Sensitivity* 99 dB Magnet Weight 120 oz. Gap Height 0. 375", 9. 5 mm Voice Coil Diameter 3", 76 mm
