Genuine Eminence

SIGMA PRO-18A - 18" WOOFER

THE EMINENCE SIGMA PRO-18A HAS GOOD CLEAN BASS DOWN TO 41HZ & IS AFFORDABLY PRICED!

Eminence Sigma Pro-18AEminence Sigma Pro-18A

Item Price: $184.99

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WOOFER MODEL SIGMA PRO-18A

Specifications

Nominal Basket Diameter 18" / 457.2mm
Impedance 8 ohms
RMS Power Rating 650 Watts
Program Power Handling 1,300 Watts
Frequency Response 41Hz - 2.4kHz
Sensitivity (1W/1m) 99dB
Voice Coil Diameter 3" / 76.2mm
Max. Crossover Frequency 2.5kHz
Rec. Enclosure Volume(Vented) 3.3-7.5cu. ft./92-212 Liters

Mounting Information

Overall Diameter 18" / 457.2mm
Bolt Circle Diameter 17.25" / 438.2mm
Baffle Cutout Diameter 16.56" / 420.5mm
No. Of Mounting Holes 8
Mounting Hole Diameter 0.275" / 7mm
Overall Depth 8.15" / 207mm
Magnet Weight 120 oz.
Shipping Weight 28.1 lbs. / 12.8kg.

Thiele-Small Parameters

Resonant Frequency (fs) 28 Hz
Impedance (Re) 6.29 ohms
Coil Inductance (Le) 1.9mH
Electromagnetic Q (Qes) .3
Mechanical Q (Qms) 8.28
Total Q (Qts) .29
Compliance Equivalent Vol. (Vas) 441.2 Liters/15.58cu. ft.
Voice Coil Overhang (Xmax) 6.1mm
BL Factor (BL) 22.1 T-M
Surface Area of Cone (Sd) .1140 m2

SIGMA PRO-18A RESPONSE CURVE

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