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Bumper HC Series Pro Audio Speakers - (1248 HC)

Bumper HC Series Pro Audio Speakers
The 1248 HC is designed to provide a rich sound in a number of different applications including stage monitors, high power bass guitar combos, multi way systems and PA enclosures. It has a 6 window deep speaker frame. The 0.590' vent in the pole piece is added for better heat dissipation to withstand the long hours of play.

Diameter size in inches:   12
Z - Nominal Impedance in Ohms   8
Fs = Free air resonance frequesncy in Hz:   42.0
Qts = Total Q Factor of driver:   0.57
Vas = Equivalent acoustic volume in cubic feet:   4.49
Xmax = peak linear displacement of cone in inches:   0.1
Pe = Max power in watts:   400
Ref = Driver's SPL 1W at 1m in dB:   93.7
Voice Coil Diameter in inches   2
Mounting Depth in inches:   5 1/2
Revc = DC Voice coil resistance in Ohms:   5.7
Zmax = imped. At top of resonance curve in Ohms:   54.0955
Magnet Assembly weight (oz):   106.4
Frequency response range tested from 20-2000 Hz:   20-4500
Recommend Sealed Enclosure size Outside volume (Vb)cq-ft   1.5
Recommend Ported Enclosure size Outside volume (Vb)cq-ft   1.5
Number of ports on the front of a box   1
Port size (inches)   4x7.82
List price $117.20