ADDAC System ADDAC112 VC Looper & Granular Processor (2021–)
The ADDAC112 is a 45HP Eurorack module that pairs a voltage-controlled looper with a granular processor. It was ADDAC System's first comprehensive take on granular synthesis, announced as their first new module of 2021 and available from late March of that year. The module is split in two: a main unit and a separate module holding all the inputs and outputs. That keeps the front panel uncluttered, and it was a deliberate choice. It runs a 32-bit floating point DSP with stereo audio at 16-bit/44.1kHz. The looper engine offers selectable bit depths of 8 or 16 bits and sample rates from 8kHz up to 36kHz. The buffer holds five minutes, which is unusually long for granular work. Most granular devices use buffers small enough that individual grains reach the hearing spectrum and read as a sort of ever-changing complex wavetable. ADDAC's take allows longer buffers, so the unit suits "accidental effects," subtle processing, or complete transformation of incoming audio.
The user guide describes three main sections. Only the Looper Engine, "where all the Real-Time recording happens," is named in the surviving documentation. The other two sections aren't identified in the record. Waveform Magazine called it "perhaps their most ambitious module to date," and Juno Daily noted the extensive voltage control and hands-on manipulation of digital sounds. A MusicRadar review picked out the excellent screen and UI, the movable patch bay, and the five-minute buffer as key features. It concluded that the module makes looping and granular sampling hands-on and intuitive, with little menu hassle.
Pricing on the record is inconsistent. The manufacturer lists €680, while other outlets show €540, £438 (later dropped to £366), and CAD$1,399. The module sits in the ADDAC100 Series and includes an SD card. ADDAC offered custom-colored front panels at additional cost with a 4-6 week lead time.
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