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.


Microphone measuring position: between tweeter and midrange-woofer
Grille: on
High Frequency Energy Control setting (except where noted): “0”

Frequency response and voltage sensitivity

Voltage sensitivity: 84.77dB (averaged 300Hz-3kHz on Listening Window, 2.83V/1m)

Chart A: 20Hz - 20kHz (measured @ 2m, plotted @ 1m)

Frequency response

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)

Frequency response

Top curve: 45 degrees off-axis response
Middle curve: 60 degrees off-axis response
Bottom curve: 75 degrees off-axis response

Chart C: 20Hz - 20kHz (measured @ 2m, plotted @ 1m)
Additional measurement to show effect of High Frequency Energy Control switch on back panel

Frequency response

(Line up at 10kHz)
Top curve: + setting
Middle curve: 0 setting
Bottom curve: - setting

Listening window

20Hz - 20kHz (measured @ 2m, plotted @ 1m)

Listening window

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)

Deviation from linearity

Impedance magnitude variation


Vertical axis: impedance
Horizontal axis: frequency

Electrical phase

Electrical phase

Vertical axis: phase
Horizontal axis: frequency