All loudspeaker measurements are performed independently at the National Research Council of Canada. All measurement data and graphical information displayed below are the property of the SoundStage! Network and Schneider Publishing Inc. Reproduction in any format is not permitted.
Setup
Microphone measuring position: between tweeter and midrange-woofer
Grille: off
Tweeter switch: middle position
Frequency response and sensitivity
Sensitivity: 82.9dB (averaged 300Hz-3kHz, 2.83V/1m)
Chart A: 20Hz - 20kHz (measured @ 2m, plotted @ 1m)
Top curve: on-axis response
Middle curve: 15 degrees off-axis response
Bottom curve: 30 degrees off-axis response
Chart B: 20Hz - 20kHz (measured @ 2m, plotted @ 1m)
Top curve: 45 degrees off-axis response
Middle curve: 60 degrees off-axis response
Bottom curve: 75 degrees off-axis response
Listening window
20Hz - 20kHz (measured @ 2m, plotted @ 1m)
Response curve is an average of five measurements: on-axis, 15 degrees left and right off-axis, 15 degrees up and down off-axis
Total Harmonic Distortion + Noise
Chart A: @ 90dB, 50Hz - 10kHz (measured @ 2m)
Top curve: frequency response @ 90dB SPL
Bottom curve: THD+N @ 90dB (50Hz - 10kHz)
Deviation from linearity
Chart A: Difference @ 90dB from 70dB, 50Hz - 20kHz (measured @ 2m)
Impedance magnitude variation
Vertical axis: impedance
Horizontal axis: frequency
Electrical phase
Vertical axis: phase
Horizontal axis: frequency