AudioCubes maker Percussa has launched a Kickstarter project to fund production of their new Super Signal Processor Eurorack module.

The Super Signal Processor (SSP) promises to be one of the most powerful and flexible Eurorack modules ever created. It follows the same general form factor of the Moog Mother-32, but is based around a powerful quad-core ARM Cortex A17 processor, running a Linux kernel, custom DSP software and professional audio I/O drivers.

Percussa says that the SSP’s processor offers about 10 times the power of the single core Cortex M4 and M7 processors used in many digital Eurorack modules.

The following software modules will be included in the Percussa SSP:

Wavetable Oscillator with true 3D Morphing (XYZ) and Cloud (Spread) features

LFO with Saw, Sine, Square, Triangle,

Step Sequencer with 64 Steps per Pattern, Length and (MIDI) Sync features,

Comb Filter,

Waveshaper,

Sampler with Individual Triggering and Layering features,

Variable Frequency Noise Generator,

State Variable Filter (SVF),

Envelope Generator (EG) with exponential A and DR,

Global Reverb and Delay Processors

Specifications:

Audio I/O

8 outputs via high end AKM DAC with 32 bit resolution / 192kHz sample rate (AK4458)

2 inputs via high end AKM ADC with 32 bit resolution / 192kHz sample rate (AK5552)

Support for eurorack DC voltage level ranges on inputs and outputs (-5V to +5V)

Low-noise power supplies and op-amp stages, featuring 0.1% resistors

Control Voltage I/O

14 inputs via industrial ADCs or via AKM audio ADCs (see “status of project” section)

Support for eurorack DC voltage level range (-5V to +5V)

DSP Processing

Quad core processor running at 1.8 GHz per core 32-bit SIMD and 64-bit floating point arithmetic

32-bit floating point ADC/DAC input / output

Capable of running multiple software modules in parallel on multiple cores

Synthesis Engine

Supports recording audio inputs and outputs directly to SD card for instant wavetable / sample creation or recording of live performances without the need for external software

Supports loading your own WAV files into the Wavetable Oscillator and Sampler software modules, via the SD card (limited only by SD card size / RAM size)

Coarse and Fine frequency controls on all Oscillators

Comes with a set of 100+ pre-recorded samples / wavetables

Storage and Recall of Presets and Settings with the press of a button

Rule-based fast 2D patching

Supports routing / mixing multiple inputs to multiple software modules

Supports routing / mixing multiple software modules to multiple outputs

Included DSP modules (see stretch goals for additional modules)

Wavetable Oscillator with true 3D morphing (XYZ) and cloud features

Sampler with Layering features

LFO with multiple waveforms (sine, saw, square, triangle)

Variable Frequency Noise

DC generator

Enveloped Generator with Exponential A and DR

Waveshaper

Comb Filter

State Variable Filter

Step Sequencer

Development Kit

SDK with examples for writing your own modules in C++

Support on the SSP to load your modules from the SD Card

Display, Graphics and User Interface

1600×480 pixel wide format full colour LVDS IPS display

2D & 3D Graphics acceleration support (see stretch goals)

4x High quality Aluminium Machined Knobs

4x Bourns Endless and Click-less Encoders

18x Industrial Temperature MEC Switches

User interface design featuring shallow menus (no menu diving), large fonts for readability and signal input / output Oscilloscope features

Connectivity

1 USB device port with USB Audio Class 2.0 support

1 USB host port with USB MIDI class and USB ethernet adapter support

Serial (header) connector on PCB to access linux serial console

Storage

1 microSD card slot 16 GB professional microSD card (not included in DIY pledge) with FAT partition for easy sharing of presets and samples and for software updates (OS agnostic)

2GB onboard RAM

Dimensions and Front Panel

60HP width, 3U in height (eurorack compatible, see pledges for customization options)

50mm depth behind front panel (estimated)

2mm thick CNC machined / laser cut aluminium front panel, sandblasted and black anodized (see pledges for customization options)

Power

350mA @ +12V and 50mA @ -12V consumption (estimated)

Standard 16-pin eurorack power connector

Audio demos are available at the project site.

Pricing and Availability

The Percussa Super Signal Processor is available to project backers for US $1,500, with a target date of initial units shipping in April 2018. The project has already reached its funding goal.