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Bumper C Series Pro Audio Speakers - (DC 18120 C)

Bumper C Series Pro Audio Speakers

The Bumper DC 18120 C is our marquee 18' driver and the favorite for any industry professional. It features a high-performance premium heavy duty cast aluminum frame with 0.390' thick 7.5' front and back plate as well as a 8.5' X 1.00 thick ceramic magnet. It is designed to withstand the long hours of constant pounding, and is recommended for professional audio as a woofer or subwoofer in vented enclosures.

Diameter size in inches:   18
Z - Nominal Impedance in Ohms   8
Fs = Free air resonance frequesncy in Hz:   24.11
Qts = Total Q Factor of driver:   0.37
Vas = Equivalent acoustic volume in cubic feet:   17.6
Xmax = peak linear displacement of cone in inches:   0.28
Pe = Max power in watts:   1250
Ref = Driver's SPL 1W at 1m in dB:   94.3
Voice Coil Diameter in inches   4.32
Mounting Depth in inches:   7 1/2
Revc = DC Voice coil resistance in Ohms:   5.8
Zmax = imped. At top of resonance curve in Ohms:   112.13
Magnet Assembly weight (oz):   326
Frequency response range tested from 20-2000 Hz:   25-2000
Recommend Sealed Enclosure size Outside volume (Vb)cq-ft   0.120
Recommend Ported Enclosure size Outside volume (Vb)cq-ft   4.0
Number of ports on the front of a box   1
Port size (inches)   14.80x7.50
List price $483.54