Definitive Technology BPVX/P Surround Speaker:
Measurements
HT Labs Measures: Def Tech BPVX/P Speaker 
This graph shows the in-room averaged (employing close-miking of all woofers) frequency response of the BPVX/P. Response measures +2.2/-1.7 decibels from 200 hertz to 10 kilohertz. The -3dB point is at 38 Hz, and the -6dB point is at 35 Hz. Impedance reaches a minimum of 2.7 ohms at 468 Hz and a phase angle of -63.6 degrees at 126 Hz. Sensitivity is 89.5 dB from 500 Hz to 2 kHz, measured at a distance of 1 meter with 2.83 volts input.—MW
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