User Manual
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MASTER PANEL
Iris 2 | MASTER FILTER Page 34
The filter models are grouped into four types of modes (thus “Multi-mode”):
Low Pass: Frequencies above the cuto frequency are filtered out with a gentle slope.
(The low frequencies pass through without being filtered.)
High Pass: Frequencies below the cuto frequency are filtered out with a gentle
slope. (The high frequencies pass through without being filtered.)
Band Pass: Frequencies above and below the cuto frequency are filtered out over
a gentle slope. (The frequencies of that particular band pass through without being
filtered.)
Peak: Much like a Band Pass filter, this imparts a steep boost at the resonant frequency.
Each of the filter models has its own distinctive character:
New York (LP, BP, HP): This filter is based on a famous four-pole, 24 dB/octave analog
filter design originally developed in upstate New York in the 1960s. You may find this
filter brings down overall output level slightly by its nature.
Retro (LP, BP, HP): The Retro filter types are based on old-school filter designs and
can give a slightly thinner albeit more biting sound that tends to have a retro synth
feel.
Saturated (LP, BP, HP): This filter type gives a saturated-valve filter sound to your
samples and is the fuzziest of the bunch, adding its own saturation flavor and valve
characteristics to any audio passing through.
Rez (BP, HP): These fixed-slope filters can be similar to the Retro BP and HP filters
however their response lends them a stronger resonant presence that can give them
a slightly thicker sound.
Tokyo (LP, HP): Based on a famous two-pole, 12 dB/octave Japanese analog filter
designed in Tokyo in the 1970s.
Warm Synth (LP): This warm, analog-modeled low-pass filter has a smooth response
and can provide a gritty, warm, and thick presence to your samples. It is particularly
great with leads, bass sounds, and lush pads.
Formant & Formant Bright (BP): Modeled on multiple-formant vocal filters with varied
shapes and vowel types based on the cuto frequency.










