ADDAC112 VC Looper & Granular Sampling

ADDAC System Introduces ADDAC112 VC Looper & Granular Sampling. There’s a long history behind the granular concept and many reinterpretations of its core principles, this is ADDAC System’ take on it. In a loose description digital Granular refer to pieces of sound files being played at the same time with slight or completely different parameters originating what is commonly referred to as granular clouds. Normally there’s a buffer size from which the granular engine snips its pieces and plays them according to the parameters set. This buffer size is normally small in size where grains are so small that can reach the hearing spectrum and be heard as a sort of ever-changing complex wavetable, this is the principle behind granular synthesis.

In the ADDAC System vision, they added the possibility of long buffer sizes up to 5 minutes, allowing “softer” approaches to the granular principle using it as an effect that can generate from “accidental” effects like slight “stutters” to extreme processing and transformation of any incoming audio signal.

This module is conceptually deep but easy to grasp and operate as all controls are in its dedicated panel, all jack inputs and outputs have its own separate panel to allow no compromise when playing its controls.

There are three main sections in this module

• Looper Engine: The Looper is where all the Real-Time recording happens. The audio input feeds the recording buffer, multiple controls allow to record and play loops into a list so that any sample in the list can be accessed at ay time and more acting as a standard looper
• Granular Engine: The Granular acts upon the buffer of whatever LOOP is selected.
• Output Mix: The output mix allows individual control for the Dry Input, Looper Volume, and Grains Volume.

Besides these main sections there’s also a simple strip down MENU mainly used to LOAD and SAVE Banks, no Menu diving guaranteed.

Pricing and Availability

Expected availability: late March

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ADDAC System Releases 106 T-Noiseworks Eurorack module

ADDAC System launched a new eurorack module. With the release of ADDAC106 T-Noiseworks the complete the series of T modules. 106 T-Noiseworks is the last in ADDAC’s T-Networks series, a straight forward 4 voice module with frequency and decay controls for each of the voices. As the name already unveils ADDAC added a noise source and created 2 different circuits that explore the timbre of a t-network when used to filter noise.

ADDAC106 T-Noiseworks Features

• 4 Voices each with:
• Frequency control
• Decay control
• Timbre type, Hat/Snare (Voice 1 to 3)
• Frequency Range Switch, Low/Mod/High (Voice 4)
• Input
• Audio Output

There are 2 different circuits in this module, voices 1 to 3 have a pre-vca t-network filter while in voice 4 the t-networks filter applied post-vca.

At each voice input there’s a switch which sets which type of input to use, this signal will be used to control an internal VCA hence why the type of setting defined here is important:
1. Trigger – Any incoming CV will be converted into a 1ms trigger as soon as it crosses it’s fixed threshold.
2. Mute – This disconnects then incoming signal effectivelly muting the voice.

3. Envelopes – This can be used with CV sources as well as Gate sources and simply follows the input signal.

This incoming signal will then be processed by a slew circuit which adds a decay factor allowing the user to set the “Tail” of each voice.

Trigger mode is mostly dedicated for percussive sounds while the Envelope mode is open to any external envelope control and able to control noise swooshes, swirls, crackles and pops simply out of t-networks filtered noise.

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Audio inputs are also welcomed to be used as a Trigger/Envelope input, in fact the results of using this method had us all extremelly surprised, so please do try it out!

Diferences between voices:
The first 3 voices also feature a Timbre selector switch: Hat/Snare
In Snare mode all frequencies coming from the t-networks filter pass thru to the output .
In Hat mode it adds a High Pass circuit which removes the mid/bottom frequencies (characteristic of the snare strike) creating a higher spectrum output which is closer to a Hat timbre.
All of these 3 voices are also differently tuned from each other to offer more timbrical options.

Voice 4 is closer to a typical t-networks circuit but this time peculiar one where the noise is gated by the vca and then sent through the t-networks filter.

Hat and Snare are terms used very loosely here, they are timbrical references and do not in any shape or form try to effectively replicate the complex timbres of a real-world Hat or Snare.

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ADDAC604 Dual Filter

While developing their ADDAC105 4 Voice Cluster module ADDAC System made a new multimode filter to place after the summing mix stage. ADDAC System was so pleased with the sound that the company decided to release it as a dedicated ADDAC604 Dual Filter.

To make it more interesting ADDAC System duplicated its circuitry to be able to use it in a stereo signal path. To make it more versatile they added a switch to set the working mode from Stereo to Dual Mono where both filters can be used independently.

In Stereo Mode the Left Cutoff is used to control the Right Cutoff.
In this case, the Right Cutoff Knob and CV Input are simply bypassed and will have no impact on the Right Channel operation.

This allows immediate sync of both filter frequencies when the Stereo position is engaged.
Optionally there’s a jumper in it’s back that, when placed, connects the Right Controls back to the Right CV control allowing the possibility to control the offset of the Right Channel Cutoff.

Resonance is independent on both Modes and still has to be set manually to match both channels.

Both the Audio and CV inputs are normalled from the Left into the Right channels. As standard plugging, any input to the Right channels removes this connection.

ADDAC604 DUAL FILTER SIGNAL FLOW DIAGRAM

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Tech Specs

6HP
4 cm deep
70mA +12V
70mA -12V

This module will also be available as a full DIY kit.