The C15 received a major update of the operating system, the Synth Engine and the User Interface. The update includes , and modes, more voices, and more Controls and Targets.
This update continues the constant evolution of the C15 since its launch nearly three years ago. It expands the range and quality of sounds and improves the playability and suitability for musical performance.
The new software is a complete rewrite. Based on the new architecture, future developments will be easier and will also benefit from new opportunities. The Synth Engine and the User Interface now both run on Linux.
The update is free for all C15 users, who will also benefit from the interchangeable magnetic foils, as the new version comes with updated overlays reflecting the new features.
The 24 voices can be split into two (groups of 12 voices for and ), loading different presets. Each Part contains a complete effect section. The voice allocation can run in or Mode.
and are assigned to different key ranges.
Voices from and are stacked per key.
The Feedback Mixer now has additional channels to receive signals from the other . This means that in mode the two voices not only can run in parallel but their signal processing can be combined in serial and feedback structures, allowing e.g. 4-operator PM or 8-pole filters.
The mode also offers crossfades that are controlled by the velocity or the key position.
The voice allocation now supports monophonic playing with Lowest, Highest and Last Key priority, four different Legato modes and an adjustable Glide time. (Up to 24 unison voices can be layered.)
The four existing Controls (, , , ) are extended by and . All six Macros are also available in the View, a 2-D control surface for touch screens.
Additional parameters (e.g. the Oscillator Phases) can be assigned to the Controls.