Roland Groovebox MC-307 Reference Manual page 49

2. Spectrum
(Add Character to the Sound)
This is a type of filter, which modifies the tonal character by
boosting or cutting specific frequencies. It is similar to an
equalizer, but when you wish to add character to the sound,
the Spectrum effect will produce a more distinctive result.
Available Settings:
- LOW-HIGH GAIN [CTRL 1]
Specifies the volume change at 500 Hz and 8000 Hz.
Range: -15– +15
- MIDDLE GAIN [CTRL 2]
Specifies the volume change at 1250 Hz.
Range: -15– +15
- BAND WIDTH [CTRL 3]
Specifies the width of the bands in which the volume
will be adjusted.
Range: 1–5
- OUTPUT PAN [CTRL 4]
Specifies the panning of the sound that is output from
the Spectrum effect.
Range: L64–63R
- OUTPUT LEVEL [CTRL 5]
Specifies the volume that is output from the Spectrum
effect.
Range: 0–127
Chapter 4 Setting Effects
3. Enhancer
(Add Sparkle to the Sound)
By controlling the overtones of the high frequency range, this
effect adds sparkle to the sound, giving it more definition.
Use this effect when you want to make a specific sound stand
out from the rest of the ensemble, or to give it greater
definition.
Available Settings:
- SENS (Sensitivity) [CTRL 1]
Adjusts the depth of the enhancer effect.
Range: 0–127
- MIX (Mix Level) [CTRL 2]
Determines the proportion at which the overtones
generated by the enhancer will be mixed with the
original sound.
Range: 0–127
- LOW GAIN [CTRL 3]
Adjusts the volume of the low frequency range.
Range: -15– +15
- HIGH GAIN [CTRL 4]
Adjusts the volume of the high frequency range.
Range: -15– +15
- OUTPUT LEVEL [CTRL 5]
Specifies the volume of the output from the Enhancer
effect.
Range: 0–127
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