234567891002345678910002345678910k2-40 -35 -30 -25 -20 -15 -10 -5 0 5 10
On AxisBand ±3dBBand ±1.5dBMidrange ±3dBMidrange Band +3dBMidrange Band -3dBOn AxisOn Axis for KEF Q250 measured by ErinsAudioCorner (eq gain -3.2dB)SPL (dB) v.s. Frequency (Hz)SPL (dB)