3-38
OPERATION ORBAN MODEL 8685
MID Frequency
determines the center frequency of the equalization, in
Hertz. Range is 250-6000Hz.
MID Gain
determines the amount of peak boost or cut (in dB) over a ±10
dB range.
MID Width determines the bandwidth of the equalization, in octaves.
The range is 0.8-4.0 octaves. If you are unfamiliar with using a parametric
equalizer, 1 octave is a good starting point.
With Five-Band presets, the audible effect of the midrange equalizer is closely asso-
ciated with the amount of gain reduction in the midrange bands. With small
amounts of gain reduction, it boosts power in the presence region. This can increase
the loudness of such material substantially. As you increase the gain reduction in the
midrange bands (by turning the M
ULTIBAND DRIVE (Multiband Drive) control up), the
M
ID GAIN control will have progressively less audible effect. The compressor for the
midrange bands will tend to reduce the effect of the M
ID frequency boost (in an at-
tempt to keep the gain constant) to prevent excessive stridency in program material
that already has a great deal of presence power. Therefore, with large amounts of
gain reduction, the density of presence region energy will be increased more than
will the level of energy in that region. Because the 3.7 kHz band compressor is par-
Equalizer Controls
Group Basic/
Intermediate
Modify Name
Advanced Name Range
Bass Fre-
quency
Bass Frequency 80, 85, 90, 95, 100, 105, 110, 115,
120, 125, 130, 135, 140, 145, 150,
160, 170, 180, 190, 200, 210, 220,
230, 240, 250, 270, 290, 310, 330,
350, 380, 410, 440, 470, 500Hz
Bass Gain Bass Gain 0 … 12 dB
Bass Shelf
Bass Slope Bass Slope 6,12,18 dB/Oct
LF Frequency Low Frequency 20 ... 500 Hz
LF Gain Low Gain –10.0 … +10.0 dB
Low
LF Width Low Width 0.8 ... 4 octaves
Mid Frequency Mid Frequency 250 ... 6000 Hz
Mid Gain Mid Gain –10.0 … +10.0 dB
Mid
Mid Width Mid Width 0.8 ... 4 octaves
High Fre-
quency
High Frequency 1.0 … 15.0 kHz
High Gain High Gain –10.0 … +10.0 dB
High
High Width High Width 0.8 ... 4 octaves
Brilliance
Brilliance BRILLIANCE 0.0 … +6.0 dB
HF Enhancer
HF Enh High Frequency
Enhancer
0 … 15
DJ Bass
DJ Bass DJ Bass Boost Off, 1… +10 dB
Highpass Filter
(2.0 processing
only)
Highpass Highpass Filter Off, 20, 30, 40, 50, 60, 70, 80, 90,
100, 110, 120, 130, 140, 150, 170,
200 Hz
Lowpass Filter
Lowpass Lowpass Filter 10 … 20 kHz; 1 kHz steps
Phase Rotate
Phase Rotator Phase Rotator In, Out (2.0 processing only)
Table 3-4: Five-Band Equalizer Controls
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