Intellijel CYLONYX Rainmaker, User Manual, Page: 2 / 19

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OveRview
The
intellijel/Cylonix
RAiNMAKeR eurorack-format module provides a high-quality (96KHz sampling rate with 32-
bit internal processing)
stereo rhythmic delay
and
stereo comb resonator
effect.
A delay line in its most basic form takes in an audio signal and then sends it out again, but delayed in time, much
like your voice echoes in a large empty hall. The Rainmaker module expands on this basic idea, allowing multiple
(up to 16!) echoes to be generated, with various effects applied to the echoes, such as pitch shifting and resonant
filtering. The stereo rhythm delay has 16 taps, each with its own resonant 2nd-order filter and granular pitch shift -
er. The filters have independently adjustable resonance and cutoff frequency, and can be set to either lowpass,
bandpass, highpass or bypass operation. The filters are also capable of self-oscillation, enabling modal synthesis
techniques. The granular pitch shifters have a range of 15 semitones up or 16 semitones down. One of the taps
outputs can be sent back to be mixed with the input in order to create regenerating echo effects. The feedback
signal has a lowpass/highpass tone control and its own pitch shifter. The tap delay times can range from 0.1 milli -
second up to a maximum of 20 seconds. The overall delay times can be set with the rotary encoder, the tap tempo
button, or synced to an external clock.
A comb resonator is a special version of a simple delay line, where the delayed output is mixed with the input.
When the input sound has a repetitive (harmonic) character, such as a sustained note from a violin, then the
delayed signal will sometimes reinforce the input signal and at other times cancel out the input signal. This leads
to peaks and valleys in the frequency response of the resonator, hence the name “comb filter”. The stereo comb
resonator section expands upon this simple idea in having many (up to 64) time-delayed taps which are summed
together. This produces a deep comb filter or resonating effect. At large comb sizes (long time delays) a multiple
echo effect is produced. The density of the resonator can be varied from 2 to 64 taps. The tap with the longest
delay time is fed back to the input. High feedback levels, with short comb sizes, produce “Karplus-Strong” types of
plucked string sounds. The relative timing of the 64 taps are set according to one of 16 different preset patterns,
which provide different resonator timbres or echo rhythms. The comb size can be set either with the rotary en -
coder, an external clock or through a transposable 1v/oct input voltage.
The Rainmaker module has extensive voltage control capabilities. Direct voltage control is available for the delay
feedback level and tone, the global pitch shift for all delay taps, the comb resonator size, and comb feedback lev -
el. There are two assignable modulation inputs, which can be assigned to different parameters in each preset. A
trigger input with assignable functionality can trigger built-in types of noise bursts, freeze the delay buffer, reverse
the delay, randomize parameters, mute taps, and much more.
TABLe Of CONTeNTs
OveRview 2
CONTeNTs 3
sTeReO RHYTHM DeLAY seCTiON 4
sTeReO ResONANT COMB fiLTeR seCTiON 5
fRONT PANeL eLeMeNTs 6
GLOBAL RHYTHM DeLAY PARAMeTeR eDiTiNG 7
Per-TaP rhyThm Delay ParameTer eDiTing 13
rhyThm Delay ConTrols 16
inPuT/CV/ouTPuT JaCks anD aTTenuaTors 17
Comb ParameTer eDiTing 18
MOD/MiX/TeMPO 22
UTiLiTY OPeRATiONs 24
iNsTALLATiON 29
fACTORY PReseTs 30
sPeCifiCATiONs 33