Check my youtube page for demos and DATA page for BOMs and build info
Chopper.
Bottom section is a normal gate controlled bi-directional router. Top
section is based on a 70s delta modulator, at least in concept. The
signals being switched are also the ones controlling the switching, plus
you can add CV to that, good luck trying to work out what the fuck is
going on once that happens.
PCB $18
Panel $25
CMOSC. This is from my 4U CMOS panel
. 6 gate controlled oscillators, the gates select 1 of 2 frequencies
set by the pots. each set of three can be controlled by sync inputs. The
idea is to patch them all up together to create massive swirling
drones.
PCB set $25
DelayNoMore. Two PT2399 chips roped together in series, one with vactrol control and 4 different feedback paths....its just fucked.
PCB $18
Step by step build guide by Roger S.
Hyper Wien.
A hyper chaotic circuit with vactrol control. It really justs gets into
its groove and bounces around at 1Hz or so, with the vactrol control
unsettling it ...sometimes.
PCB $12
Panel $20
Quad Osc / LowPass Filter.
Based on Electronotes design with several mods and updates. It can be
switched to perform as a very low freq QUO, quadrature VCO, LPF with Q
and a pot allows non-linear resonant feedback to obtain richer and
irregular harmonics.
PCB $20
VCO (same as the ones in VCO Panel) E/N Mikulic core mated with the features of the Aries 338 PMS VCO (VC phase modulated sync, VC pan-pulse)
PCB set $25
nonlinearcircuits -
ANALOGUE modular synthesizers
(no midi, no software, no microprocessors)
PCBs and Modules LIST
Wednesday, 17 December 2014
Tuesday, 9 December 2014
Sunday, 7 December 2014
PCB Eurorack panels
These arrived this morning. 2mm white PCB Panels. On a few of them the NLC logos are missing a few spots of ink (most are perfect) but on the whole they look fantastic.
cellF panel & PCB pics
CellF Action - PCB = USD65, Panel = USD100, assembled = USD990. Shipping for PCB & panel set or assembled is USD20 to anywhere.
These are to help builders see how the PCBs look and are connected to the panel.
action panel
divider with staircase, quad logic with resistor ladder & VC slew, Quad oscillator / low pass filter, VCO, chopper, VCA
Delay no more, Vactrol PiLL, DP filter
FF chaos, Sloth, offset mixer
The PCB is mainly held to the panel by the 81 (or so) jacks, but the two pots at this end of the panel are threaded and bolted to the panel.
action
voice
These are to help builders see how the PCBs look and are connected to the panel.
action panel
divider with staircase, quad logic with resistor ladder & VC slew, Quad oscillator / low pass filter, VCO, chopper, VCA
Delay no more, Vactrol PiLL, DP filter
FF chaos, Sloth, offset mixer
The PCB is mainly held to the panel by the 81 (or so) jacks, but the two pots at this end of the panel are threaded and bolted to the panel.
action
voice
Friday, 5 December 2014
Thursday, 4 December 2014
Monday, 24 November 2014
VCO pics
These are pics of the VCO in the VCO panel. the PCB is available as a DIY project, so these pics are to help any builders.
Wednesday, 5 November 2014
cellF panel #2 - action
This is the 2nd panel for the cellF neuron controlled synth. It contains:
- 7 stage divider (from /2 to /128) with a staircase output
- chained logic module with related but individual logic circuits, the outputs are connected via a resistor ladder to give a SOU266 style random stepped CV...which has voltage controlled slew so can be a random smooth CV if you prefer
- QUO/LPF an effective low pass filter, quadrature oscillator with high/low range so can be used as a VCO or LFO
- VCO: tri-core with tri & square outputs
- Chopper....chop slewy!
- VCA
- Delay No More: updated version with vactrol based CV 'control' of both delay stages and individual signal inputs and outputs for each stage. It maintains the same functionality as the original PCB version but can also be tamed and actually used as a delay (just)
- Vactrol PiLL: a PLL based audio/noise source, it has no knobs
- DP Filter: same as the PCB version
- Sloth: 15 minutes per cycle chaos module
- FF Chaos: a gate/CV controlled chaos module that produces two chaotic CVs and 2 gates of chaotically varying widths.
- Offset Mix: CV and audio mixer, pots 3 & 4 can be used to add negative or positive offset voltages if the inputs are unused.
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