Bumper DRC Series Pro Audio Speakers - (0848 DRC)

Bumper DRC Series Pro Audio Speakers

Speaker Model: 848 DRC

Diameter size in inches: 8'
Diameter size in centimeters: 20.0
Z=Nominal Impedance in Ohms: 8
Fs=Free air resonance frequency in Hz: 83.44
Qts=Total Q Factor of driver: 0.296
Vas=Equivalent acoustic volume in cubic feet: 0.560
Vas=Equivalent acoustic volume in liters: 15.87
Xmax=peak linear displacement of cone in inch: 0.1
Xmax=peak linear displacement of cone in mm: 2.500
Pe=Max power in watts: 350
SPL=The half-space ref. Efficiency: 97.20
Voice Coil Diameter in inch: 2.0
Mounting Depth in inch: 3  1/2
Sd=Piston Area in sq.m: 203.2
BL=T*M Flux Density, Length Product: 11.11
no=The half-space ref. Efficiency: 3.20%
Cms=Mechanical Suspen. Compliance: 0.10
Mms=Mech. Mass of cone & free air load: 21.51
Qms=Mechanical Q factor of driver: 3.474
Qes=Electrical Q factor of driver: 0.427
Revc=DC Voice coil resistance in Ohms: 5.7
Zmax=imped. At top of resonance curve in Ohm: 42.73
Frequency response range tested from 20-2000 Hz: 95-5k
Magnet Assembly Weight (oz): 108