Pioneer RS-A9 - Manual (Page 27)

Adjusting the 3 Band Parametric Equalizer <PEQ> (Open state)
About the adjustment using the parametric equalizer
The parametric equalizer can make the following adjustments.
Separate 3 band adjustment for left/right
It is possible to set up the left and right equalizer curves separately. Among the 31 frequen-
cies, three bands (frequencies) each can be selected to serve as the left and right central
frequencies, enabling level adjustments.
Frequency point: 20 Hz — 20 kHz (Every 1/3 octave, total 31 points)
Level adjustment range: –12 dB — +12 dB (1 dB/1 step)
Q select function
Q factor (the inclination of the equalizer curve) in each band that serves as the central
adjustment frequency can be selected separately.
Set values: 1.8, 2.6, 4.3, 7.1 dB/oct.
The greater the value, the sharper the equalizer curve characteristics.
Q=7.1 4.3 2.6 1.8
Level (dB)
Frequency (Hz)
Central frequency
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