Orban OPTIMOD-FM 8500S, Operating Manual

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3-28
OPERATION ORBAN MODEL 8500S
metric equalizer with conventional bell-shaped curves (within
±
0.15 dB worst-case).
This provides warm, smooth, “analog-sounding” equalization.
LF FREQ determines the center frequency of the equalization, in Hertz.
Range is 20-500Hz.
LF GAIN determines the amount of peak boost or cut (in dB) over a
±
10
dB range.
LF 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, 1.5 octaves is a good starting point. These curves are relatively
broad because they are designed to provide overall tonal coloration,
rather than to notch out small areas of the spectrum.
The LF parametric can be used in the mid-bass region (100-300Hz) to add “warmth”
and “mellowness” to the sound when boosting. When cutting, it can remove a
“woody” or “boxy” sound. In our presets, we tend to use it very sparingly (in the
order of 1 dB boost) to add a bit of extra bass warmth.
One formula for producing a very “big” bass sound on the air is to use a peaking
Equalizer Controls
Group Basic Mod-
ify Name
PC Remote
Name Range
BASS FREQ 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 FREQ Low Frequency 20 ... 500 Hz
LF GAIN Low Gain –10.0 … +10.0 dB
Low
LF WIDT Low Width 0.8 ... 4 octaves
MID FREQ Mid Frequency 250 ... 6000 Hz
MID GAIN Mid Gain –10.0 … +10.0 dB
Mid
MID WIDTH Mid Width 0.8 ... 4 octaves
HIGH FREQ 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 BRILLNCE 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
30HZ HPF 30HZ HPF 30 Hz High Pass
Filter Off/On
Phase Rotate PH-ROTATE Phase Rotator Out/In
Table 3-2: Five-Band Equalization Controls