Figure 7.10. In this figure the bass and treble are being stepped while the midrange remains set at maximum boost. The lines start out the same as in figure 7.2. They almost cross at the same point between 200 and 300 Hz. They don't get quite as far apart as 1.5 dB at maximum spread which occurs at about 550 Hz. They cross again at about 1400 Hz. Then they continue on up to 100 kHz as before. The values of the lines at 550 Hz are, Green, plus 4 dB. Purple, plus 2.5 dB. The other lines are between these two but exact values are hard to read. Note that the red line has been bent upward by the midrange boost. End verbal description.
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