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Showing posts sorted by date for query Percussa SSP. Sort by relevance Show all posts

Wednesday, August 30, 2023

Is the OXI Instruments Coral the Only Multitimbral Synthesizer Module for Eurorack?

The following is the latest press release from OXI Instruments for their new Coral eurorack module. It claims that Coral is the only "multitimbral synthesizer module marketed for Eurorack", but there are others as you can see in previous posts here, including the Mayer M800 (16 voice in 4 parts), Ryk Vector Wave (16/4 as well), Percussa SSP, and Rossum Assimil8or (8 part though sample based). If you know of others, feel free to leave a comment. Regardless, OXI Instruments Coral is an impressive module. You can find demos of it in previous posts here.

The press release follows:

OXI Instruments introduces Coral as only multitimbral synthesizer module marketed for Eurorack, empowering users to create basslines, drones, drums, pads, and riffs

NIGRÁN, PONTEVEDRA, SPAIN: having hitherto made musical waves with its inaugural OXI One product release as a battery-powered performative sequencer, controller, and composition tool with four fully-independent sequencers (originally raising 1,178% of its fixed funding goal with American crowdfunding website Indiegogo in 2021 and regularly updated with new features since shipping), inspirational and innovative music-making tools-crafter OXI Instruments is proud to announce (limited stock) availability of Coral as the only multitimbral synthesizer module marketed for Eurorack — embracing eight-voice polyphony (freely splittable into different parts and allowing every parameter to be independently set for each voice or part) and several sound engines (each assignable to different voices) all accessible via a colourful, organic interface arranged around an anodised and beautifully silk-printed aluminium panel, premium finished with custom aluminium knobs, empowering users to create basslines, drones, drums, pads, and riffs while effortlessly manipulating voices independently to craft complex patches out of the box — as of August 30…

Ultimately utilising lots of computing power to deliver rich-sounding engines in an eight-voice package that could conceivably be termed the ultimate multitimbral synthesizer — depending on the sound engine involved, one voice can have up to eight oscillators, meaning up to 64 oscillators playing at once making for a massive sound, for example, Coral can be played in a number of ways. While it is fair to say that it breaks free from conventional polyphonic synthesizer behaviour, Coral can conveniently be played polyphonically using only one CV (control Voltage) and gate connection, allocating a new voice every time it registers a new note — be that part of an arpeggio, strummed chord, or pad with long decayed notes — on the oct (V/Oct) input. Independent filter, amplifier, and modulation envelopes are available to each of those voices — in fact, every parameter can be independently set for each voice, including individual effect sends! It is also possible to play all eight voices in unison — all voices playing the same note for drones and thick textures, as well as triggering the internal envelopes with the trig input or directly controlling the amplifier level with the amp CV.

Coral also benefits from full MIDI (Musical Instrument Digital Interface) integration, meaning multitimbral operation is a given while also allowing for control over any part’s parameter via MIDI CC (Continuous Controller) commands. Indeed, its eight voices can be freely split into different parts; this time, every parameter can be independently set for each part to craft complex patches out of the box. But there’s more: once those voices have been grouped across different parts, users can distribute the modulation signals across them using the part CV; so, for instance, if there are two parts, the first part will be addressed if the part CV voltage is between 0 and 2.5V while the second will be addressed if the voltage is between 2.5 and 5V.

But better still, several sound engines can be assigned to each of Coral’s voices; included instances available from the outset are Virtual Analog, Waveshaping, FM (Frequency Modulation), custom Wavetable, MDO (Multiple Detuned Oscillator), String, HiHat Synth, Snare Synth, Digital Kick, and Wav Player, now boosted by new Additive with Wavefolder and Diode Distortion additions. As one such sound engine implies by name, Coral supports almost any kind of WAV file — 16-, 24-, and 32-bit mono or stereo — with no limit to playback time! Thinking outside the box comes easily when working with Coral — add overdrive to samples, sculpt them using the filters and envelopes, pitch them up and down in tune, and even modulate the sample file or folder in real time using the CV inputs or MIDI CC commands! It is possible to load any wavetable WAV file to the SD card for Coral’s Wavetable engine; wavetables can even be morphed into three dimensions using OXI Instruments’ OXI Wave app — based on the amazing Wave Edit app created by Andrew Belt — that makes creating and editing them both fun and interesting in equal measures.

Clearly, Coral can go far beyond the realms of a conventional polyphonic synthesizer, then, thanks to the comprehensive voice management and manipulation on offer. On the face of it, those powerful sound engines speak volumes in and of themselves — as does Coral’s full-featured polyphonic sample playback plus built-in space (deep atmosphere) and chorus (rich ensemble) effects potential. It is, indeed, the only eight-voice polyphonic, multi-engine, multi- part synthesizer module marketed for Eurorack, one whose freedom of voice management is even hard to match in desktop gear. Going from rich polyphonic patches to a fully-fledged groove box with basslines, drums, and leads comes quickly to Coral, which, of course, can be fully controlled using MIDI and CV — or both! All available to all in a compact (14HP) form factor for a reasonable price — particularly when pitched against a conventional polyphonic synthesizer.

“The introduction of Mutable Instruments’ Plaits module was a revolution in terms of compact, multi-engine synth voice modules,” maintains OXI Instruments CEO & CTO Manuel Vázquez Rodríguez, good-heartedly giving credit where credit is due before digging deeper to end on a high note: “Thanks to their open source contributions, we have taken some of their algorithms and put them into a tasty, compact package that contains eight ‘instances’ of that module with custom-developed engines alongside new ingredients like independent envelopes and filters per voice, effects, full MIDI implementation, and a colourful, organic interface. On top of that, custom wavetables and a sample playback engine are also available per voice. But we didn’t want to just create another polyphonic synth, so, to allow users to make the most of every voice, we’ve introduced the multi-part concept. Consequently, users can arrange and use the eight voices as they wish — with eight monophonic parts, one polyphonic part of eight voices, or any combination thereof, such as two polyphonic parts of three voices each, plus two monophonic voices in the same module, meaning Coral can be corralled into acting as a versatile and powerful polysynth, drum machine, groovebox, and sound exploration module... all at the same time! We won’t stop there, though, adding more features in future through regular firmware updates — just like we’ve been doing with OXI One!”

Sunday, July 23, 2023

Percussa SSP Makes a Comeback

via Percussa

"Bert here, founder of Percussa. Our SSP eurorack module sold out a while ago, in the middle of the global supply chain crisis and chip shortage, which affected a lot of other eurorack brands, sadly.

Since then we've had to pause production of the SSP, due to the shortage of chips and the insane rise of component and manufacturing costs. Things now seem to have improved, and we are now planning another production run of the SSP.

We are organizing a pre-sale! One of our dealers, Perfect Circuit, is participating in the pre-sale event. So if you want an SSP, get your order in! Once the units are sold out, it will be a while before we do another run. You can place your order for an SSP through our website at, or through Perfect Circuit's website at"

Monday, June 06, 2022

Percussa SSP Eurorack Module Update

video upload by MATTHS

"MATTHS (Matt Hodson) catches up with the team behind the Percussa SSP module which was first launched via a highly successful Kickstarter campaign. Here we will chat with the team behind the module, see the latest firmware updates as well as catch up with TechnoBear who has been instrumental in developing and writing plugins for the module.

You may have seen my 5 part series on the module already, but if now, please check this out and get ready for the latest news on this uber powerful module here :" [posted here]

Monday, May 16, 2022

Percussa SSP DSP instrument & effects module

video upload by Gearspace Forum

"The Percussa SSP (Super Signal Processor) is a combi instrument/effects box that relies on some super powerful DSP under-the-hood - initially introduced via Kickstarter in 2017, we find out what's new on the platform and why this might be something you still need!"

Tuesday, May 03, 2022

Percussa Updates SSP Eurorack Module w/ 3D Graphics, Plugin SDK, Scanning Oscillator & More

via Percussa


May 2nd, 2022 (Los Angeles, CA) Percussa, makers of the Super Signal Processor (SSP) Eurorack module, are set to return to the SUPERBOOTH show in Berlin, May 12-14 2022, since the COVID-19 pandemic started, and are presenting a major software update for the Percussa SSP.

Percussa has been working on a software update for the SSP since its last participation in the show in 2019, featuring a complete graphics rewrite, leveraging the previously unused GPU processor on the SSP, for accelerated 2D and 3D graphics. Additionally, the SSP's plugin SDK has been updated to enable plugin developers to use the GPU as well for 2D or 3D graphics via OpenGL(ES).

Graphics acceleration on the SSP and GPU support in the plugin SDK were stretch goals which were not reached during the succesfully funded Percussa SSP kickstarter campaign back in 2017. With this update, users will receive the features planned in these stretch goals, and the benefits of accelerated graphics and increased DSP power.

In addition to increased DSP power, audio processing optimizations, and accelerated graphics, the update features countless bug fixes and improved memory management, and comes with a new "3D wave scanning" oscillator, developed by Percussa, featuring GPU powered raytraced 3D graphics.

Since the last SUPERBOOTH show, Percussa has released several incremental updates and fixes for the SSP software, enabling 24-channel USB audio support, improving MIDI MPE support as well as improvements to the step sequencer, sampler and direct to disk recorder.

In addition to the new software update, open source developer and SSP power user @thetechnobear (Mark Harris) is releasing over 10 new plugins for the Percussa SSP, and will be demoing these daily at the Percussa SSP table at the SUPERBOOTH show. Mark has also started contributing recently to the main SSP application software, in addition to his plugin contributions, which include countless modules such as a performance mixer, matrix switchers and mixers, sample and hold modules, utility modules, and ports of open source modules such as Clouds, Rings and Plaits. More information about @thetechnobear's work can be found at Including @thetechnobear's plugins, the SSP now offers more than 50 modules in total.

The new software update is currently in BETA with the release version to be made publicly available by the end of June. The update will be available via the Percussa forum at Percussa has also opened up pre-orders for the next production batch of SSPs. The SSP can be ordered via your favourite eurorack dealer, or on Percussa's website at

Sunday, December 26, 2021

Percussa SSP Super Signal Processor & 4ms Pod60

Note: Auction links are affiliate links for which the site may be compensated.

via this auction

"This unit is in excellent condition - plastic still on the screen! Comes with original box and installed in a 4ms Pod 60 with power supply."

Thursday, May 13, 2021

Percussa SSP - Most powerful Eurorack module?

video by TheTechnobear

"I bought the Percussa SSP over a year ago now...
what do I think about it? was it worth the investment?

Here's my intro to the SSP, What I think about it and what Ive done with it!

0:00 Intro
0:25 What is the Percussa SSP?
2:18 Let's Patch
5:45 Connecting more friends
8:10 Look Mum I want a computer
9:15 How many plates can you spin?
10:10 Can it do more?
11:30 It's Large & Expensive - no?
13:28 Elephant in the room!
14:00 How I tame the Elephant
16:45 Roundup"

Also see Quick Clouds demo on Percussa SSP, followed by the Percussa label below for additional posts.

Thursday, November 26, 2020

Percussa SSP Super Signal Processor w/ Original Box

Note: Auction links are affiliate links for which the site may be compensated.

via this auction

"Very deep module, can be be used as an audio interface for your modular recording too! which is very handy. Comes with original packaging in excellent condition."

Wednesday, November 18, 2020

Percussa SSP Super Signal Processor

Note: Auction links are affiliate links for which the site may be compensated.

via this auction

Sunday, September 27, 2020

Percussa SSP Super Signal Processor

Note: Auction links are affiliate links for which the site may be compensated.

via this auction

"Latest firmware installed. Comes loaded with Rings, Clouds, and Plaits VSTs"

Monday, July 13, 2020

Quick Clouds demo on Percussa SSP


"I’ve started developing some VSTs for the Percussa SSP - here I’m testing my new clouds vst.

The SSP is running a number of wavetable oscillators into clouds vst driven from midi .. and mixing this with other audio sources from the rack."

Saturday, February 15, 2020

ESK - Percussa SSP Choir & Rock Guitar

Published on Feb 15, 2020 Metunar

"This Percussa patch has 10 samples running. The samples are a choir loop (made with a Sequential Prophet X), a rock guitar loop and 8 single shot guitar samples.
For sequencing i used a ARC Serge TKB."

Tuesday, December 10, 2019

Percussa SSP Super Signal Processor

Note: Auction links are affiliate links for which the site may be compensated.

via this auction

Thursday, October 17, 2019

Percussa SSP & Linnstrument MPE Setup

Published on Oct 17, 2019 genxtargetmarket

"How to configure the SSP (preset number 26) for MPE in conjunction with a Linnstrument. For configuration of the Linnstrument, go to this video and start at 04:32"

Saturday, September 14, 2019

Percussa SSP Eurorack Module Update

Sampler Scrubbing and Modulating on the Percussa SSP Eurorack Module Published on Sep 14, 2019 PERCUSSA

Download the update here. Updates include:

"New Sampler Scrubbing Features + Usability Fixes + Bugfixes

scrubbing code has been added such that if the sampler is not looping and you change start, length or Xfade, there are no glitches that can be heard. It now sounds like a tape head or vinyl record moving. Modulating start/length now is also smooth because it uses the same scrubbing code.

start/length logic has been changed so there is no more “inversing” of the from / to playback region. This should make it easier to use the sampler and to know what’s happening.

A level setting has been added per-sample so you can adjust the level for each of the 8 samples in the sampler module. This setting also allows inverting the sample playback (range is -1.0 to 1.0).

various other bugs in the sampler were fixed in the process and the code cleaned up and optimized.

New Quad SVF + Bugfixes + Optimizations

The SVF now has 4 inputs and 20 outputs (4x5). It’s now a quad-filter, which means you have 4 independent filters in one module. Each filter has 5 outputs, and the name of the outputs has been shortened to HP, LP, BP, PK and NT.

It doesn’t matter if you use 1, 2, 3 or 4 of the filters because the CPU cost is the same. Filter processing is done in parallel on the CPU now so this change does not increase CPU usage.

Cutoff / resonance mod inputs also had an issue previously where the mod signal would be scaled on the inputs, this has now been fixed. It’s possible that similar issues were present on some mod inputs of other modules, so this fix should take care of that as well."

Tuesday, September 10, 2019

ESK - Ambient 2 with Percussa SSP FX

Published on Sep 10, 2019 Metunar

"Again i used the Percussa SSD as an effect mixer.
The Tom Oberheim SEM gets some dual delay from the Percussa and also a simple sequence.
The first Arturia Minibrute makes the solo sound with a long reverb FX from the Percussa.
And the second Arturia Minibrute has only a Midi connection to the EMU Ultra Proteus which goes into the Percussa with a comb filter and a delay FX."

Percussa SSP Metunar videos

Monday, September 09, 2019

ESK - Ambient 1 with Percussa SSP FX

Published on Sep 9, 2019 Metunar

"Here i used the Percussa SSD as an effect mixer.
The Tom Oberheim SEM gets some live granular FX and reverb from the Percussa.
The first Arturia Minibrute makes the solo sound with delay and live granular FX from the Percussa.
And the second Arturia Minibrute has only a Midi connection to the EMU Ultra Proteus which goes into the Percussa with live granular and delay FX."

Wednesday, August 28, 2019

Percussa SSP Updated with New Step Sequencer, MIDI Sync & Other Optimizations

via Percussa Updates on Kicstarter:

Update 25082019 [New VCA/Mixer; New step sequencer; New MIDI sync features; various fixes and optimizations]

Time for another major update - In this one a new VCA module inspired by the Doepfer A-135 module, lots of improvements to the step sequencer and MIDI module, and a variety of bugfixes.

New VCA Module

The new quad-VCA module can be used as a VCA or mixer. Each VCA takes an audio input (A) and a control input (C), and the control signal is used to scale the audio signal. Both the audio and control inputs have attenuation parameters. There is also a gain parameter per VCA, and each VCA has an individual output. Besides that there is also a SUM output which is the sum of all 4 VCA outputs, which allows you to use the VCA as a mixer.

Here is how the VCA works internally - the Gain level is applied to the audio input, post-attenuation. The control signal is applied on top of the Gain level, post-attenuation. The sum of the gain level and applied control signal is clipped to the maximum signal amplitude.

Step Sequencer

We’ve done a massive update to the step sequencer module - we’ve added a playback window, with a start position (from). The pattern length parameter controls the length of the playback window and you can move the playback window anywhere in the 64-step pattern using the from parameter. You also can control the direction of playback using the new Dir input and there are special inputs to be used with the new MIDI clock/start/stop/continue signals of the MIDI module (see below). Besides all this you have a modulation input for controlling playback position in the playback window, and one to control the current pattern number.

We’ve also added an info-bar at the top of the sequence to show current tempo of the internal clock, tempo after applying division factor for the clock, current pattern number, playback window length and current step and step value.

We upgraded the step sequencer from 3 modulation inputs to 14 inputs, and here is a list of all the new inputs and what they do -

StLen - controls length of the gate signals output from the step sequencer

Tem - tempo of the internal clock

Clock - clock input, moves the playback head one step forward/backward

Begin - trigger input to set the playback head to the first step of the playback window

End - trigger input to set the playback head to the last step of the playback window

Pos - controls playback head position in the playback window

P - controls current pattern number

PLen - controls length of playback window

DivF - controls division factor applied to internal clock tempo

From - controls start of playback window in 64-step sequence

Dir - controls direction of playback. Positive signal advances sequence forward, negative advances the sequence backwards

Start - trigger input to enable the internal clock

Stop - trigger input to disable the internal clock

DivIn - clock division input, used with an internal clock from which you want to derive the tempo and possibly divide after deriving the tempo (for example a MIDI clock signal)

For some inputs there are corresponding parameters in the step sequencer. As always, parameter values and incoming modulation signals are summed together (i.e. modulation signal is applied on top of parameter value, so you get modulation around the parameter value).

The Start, Stop, Begin, End and DivIn inputs can be used to sync the sequencer to MIDI clock, start, stop and continue signals.

To sync the sequencer to a MIDI clock signal, you feed it into the DivIn input, and then set the DivF parameter to 1.5 (the reason for doing this, is that MIDI clock is 24 pulses per quarter note, while our sequencer has 16 steps per quarter note).

If you want to make sure the sequence starts in sync with your external DAW or sequencer, you can send the MIDI Start/Stop to the Start/Stop inputs of the sequencer. You will also want to send the Stop signal to the End input of the sequencer, such that when your external sequencer stops, it moves the playback head to the last step of the sequence on the SSP, ready to move onto the first step in the sequence on the first MIDI clock pulse. Optionally you might want to send the Continue signal to the Start input of the sequencer as well such that if you move the playback head in your DAW, and press start again, it will enable the clock in the SSP’s step sequencer.

The MIDI sync button has been removed from the Step Sequencer since you can control this now by feeding MIDI clock/start/stop/continue into the sequencer as you wish.

The step sequencer also outputs its internal clock, after division using the division factor (DivF). The DivF parameter has been changed to support fractional values.

The Restart toggle button has been renamed Begin to correspond to the above Begin input. The playback head has been changed so it’s more visible in the sequence.

Updates to the MIDI module for MIDI Clock Sync

The MIDI module has 4 new modulation outputs -

Clock - this is the MIDI clock signal which can be fed into the DivIn input of the step sequencer.

Start - start signal which can be used with start input of sequencer

Stop - stop signal which can be used with stop and end input of sequencer, etc

Continue - continue signal which can be used with start input of sequencer

Of course the signals can be used in any way you want and with any module you want, internally in the SSP or externally, for example to control other sequencers or modules in your rack.

Using the multichannel audio/cv streaming over USB, you can even send the signals to your DAW, and your DAW can function as the MIDI clock source (for example, connect a USB MIDI interface to the SSP’s host port, then connect this interface via MIDI cables to your computer’s MIDI interface, to receive the MIDI clock).

DSP Loop and MIDI Input processing Optimizations

Various under-the-hood optimizations for signal and MIDI processing were carried out.

Pitch Input fixes for all modules

There was a bug in the pitch inputs, where setting the coarse/fine frequency setting on modules would change the tuning of the modules, rather than just applying a pitch offset. Besides that I wanted to get rid of the requirement to set coarse/fine to zero on oscillators, when using the pitch inputs.

As a result, I changed the code such that it does no longer matter to what value you set coarse/fine in the oscillators, and the tuning will not change when you change the value. The coarse/fine parameters now simply apply a pitch offset and the pitch inputs continue to track correctly regardless of the coarse/fine value. It’s also no longer necessary to set coarse/fine to zero for any of the modules, to track correctly.

This means that on the patches in the preset collection, you have to change the coarse/fine setting on the modules to something sensible, like 440Hz, instead of setting these settings to zero.

If you want the pitches to match external oscillators, simply change the coarse/fine value until the oscillator has the same pitch as your external oscillator, for the same pitch signal coming in (or change your external oscillator’s frequency to match that of the modules in the SSP).

MIDI and MTQ modules received corresponding fixes so they work out of the box with the changes to the pitch inputs.

Source/Dest fix in Bus Module

There was a bug with Source/Destination parameters in the Bus module jumping all over the place. This has been fixed.


That’s it for this update. We hope you enjoy the hard work we put into this one and look forward to the next one.


Visit our forum here for all the details

Monday, August 12, 2019

Ed Ma of The Glitch Mob on the Percussa SSP (Part 1)

Published on Aug 12, 2019 PERCUSSA

Wednesday, July 24, 2019

Percussa SSP Eurorack Module Adds Multichannel Streaming

Percussa SSP Eurorack Module Part 5 Livestream (COME PATCH WITH ME 15) Published on Jul 24, 2019 MATTHS

via Percussa (screenshots below):

"This time, Matt will give viewers and exclusive tour of a very special software update for the SSP, to be released by Percussa the same day. The update allows the SSP to stream up to 24 channels of audio, CV, trigger, gate and other signals via class compliant USB audio, to and from Mac and Windows computers, at sample rates up to 192kHz.

With this software update from Percussa, the SSP can function as a multichannel USB audio/cv/trigger/gate interface, with 16 physical inputs and 8 physical outputs, DC coupled, while simultaneously being able to run modular synthesis patches and record multichannel audio samples to disk. In his live stream, Matt will be exploring the use of Ableton Live’s new CV Tools and how these can be used in conjunction with the SSP module"

Video description:
"I am back again for Part 5 - looking at the #Percussa #SSP #eurorack module. This time - a very special update which allows the Percussa SSP to stream audio, CV, trigger, gate and other signals via class compliant USB audio, to and from the SSP, using the following channel combinations and sample rates :

24ch @ 48k
16ch @ 96k
8ch @ 192k

This basically allows the SSP to function as a multichannel USB audio/cv/trigger/gate interface, with 16 physical inputs and 8 physical outputs, DC coupled.

I will be exploring the use of Ableton Live’s new CV Tools and how these can be used in conjunction with the SSP module.

The SSP is Possibly the most comprehensive workhorse in the eurorack modular world. The module provides many possibilities from sampling, granular processing, polyphonic and monophonic playback, effects and much much more. This is part five of a series of videos in which I break down the module and what it can do."

MATTHS Percussa SSP Eurorack Module Livestreams


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