There are 16 modulators in total, 8 Envelopes and 8 LFO’s. Each can be used on all outputs of the
CV16 expander. So you can assign every Envelope to every output of the CV16 expander. The
same for the LFO’s.
As example, you can assign Envelope 2 to the CV outputs 1 and 4. Envelope 4 to CV14. LFO 2 to
CV2 and CV7. And so on… You could even assign one Envelope to 15 or all 16 outputs and start
them all on different times. Keep in mind that per CV output there can be only 1 Modulator active.
So both, Envelope and LFO on one CV output are not valid. The latest started Modulator will stop
the previous one.
Each modulator has dedicated functions and settings (each 8 times) which are:
Envelope
: Since this is a ASR Envelope, each envelope has Attack, Sustain and Release as
setting.
Every Envelope can be set/started into different stages:
Attack → Release
: ‘Fires’ the envelope going through it’s attack phase and when it reaches the
sustain voltage level, the Release phase starts.
Attack → Sustain
: ‘Fires’ the envelope going through it’s attack phase and it reaches the sustain
voltage level it holds that level until the released phase is started.
Release
: Starts the release phase from the current sustain level.
Loop
: ‘Fires’ the envelope going through it’s attack phase and when reached the sustain voltage
goes directly into the Release phase and loops this endless.
The Attack/Release times go from 20 milliseconds to ~14 Minutes. The Sustain voltage can be set
up from 0 to 10 Volts in 255 steps.
LFO
:
Each of the 8 LFOs have 3 settings for waveform, Speed and Amplitude.
The possible waveforms are: Sine, Triangle, Sawtooth, Ramp, Square, Noise and Random.
The random waveform is special as it contains all waveforms except for noise and it changes
between them randomly at a random moment. So it can switch between triangle to ramp and then
to sine and so on at various times. The speed changes the wave iterations between 0.0011 Hz
(~14min) and 21.8 Hz. The Amplitude from 0 to 10 Volt (-5/+5 bipolar) in 255 steps, while the
smaller ranges got a finer resolution.
The LFO’s can be started and will run endlessly. There is also a command which resets the LFO,
so the waveform starts over.
NerdSEQ – a tracker based Eurorack sequencer
Page 119
User Manual Revision V1.26 for Firmware V1.26
12 July 2022
