Chart 1 - Frequency Response and Sensitivity |
Microphone measuring position: tweeter axis
Grille: off
Sensitivity: n/a
Frequency response, XdS+XdA, 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
Frequency response, XdS+XdA, 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
Additional Measurement
Frequency response, XdS only, 20Hz - 20kHz (measured @ 2m, plotted @ 1m)

Curve: on-axis
Additional Measurement
Frequency response, XdW only, 20Hz - 20kHz (measured @ 2m, plotted @ 1m)

Curve: on-axis
Chart 2 - Listening Window |
Listening Window, XdS+XdA, 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
Chart 3 - Total Harmonic Distortion + Noise |
THD+N @ 90dB, 50Hz - 10kHz (measured @ 2m)

Top curve: frequency response @ 90dB SPL
Bottom curve: THD+N @ 90dB (50Hz - 10kHz)
Additional Measurement
THD+N @ 95dB, 50Hz - 10kHz (measured @ 2m)

Top curve: frequency response @ 95dB SPL
Bottom curve: THD+N @ 95dB (50Hz - 10kHz)
Chart 4 - Deviation from Linearity at 90dB and Above |
Difference @ 90dB, 50Hz - 20kHz (measured @ 2m)

Curve: difference from 70dB at 90dB
Difference @ 95dB, 50Hz - 20kHz (measured @ 2m)

Curve: difference from 70dB at 95dB
莱科萨斯的Xd扬声器系统是一个四件主动系统由两个扬声器(的XDS),一个低音炮(XdW),和自己的专用amplifiier(的Xda)组成。 除特别注明外,所有的测量是一个单一的XDS与XdW重低音扬声器,与XdW的低音炮在“3点钟位置”的“模式”,在的Xda开关处于领先地位,并配有100mV的输入信号。 因为这是一个活动的系统,灵敏度,阻抗和电气相位测量不适用。