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STA-800D/1000D Equipped Subs
Setup & Use of PEQ
The Level control (labeled “Level:”) determines the amount of cut or boost applied to the frequency re-
sponse, centered on the FREQ: frequency and Q: wide. If Level is set to 0, the specific PEQ filter is disabled.
Cuts of up to -12 dB and boost of up to +3 dB are allowed.
Below is a frequency response graph of a subwoofer as measured under quasi-anechoic conditions. This set of curves
illustrates how the PEQ function works and what type of cut effect you can expect from various Q settings.
Green Line: Native frequency response of the subwoofer.
Purple Line: Frequency = 50 Hz, Q = 14.4, LEVEL = -12 dB
Yellow Line: Frequency = 50 Hz, Q = 2.0 LEVEL = -12 dB
“Q” Control Effects
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FIG. 13