SND ACME 4 Advanced Clock Management Engine


Developed and produced by Sebastian Niessen in Germany, ACME-4 is the ultimate tool in musical clock generation & clock manipulation.
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The ultimate in musical clock generation & manipulation

With the ACME-4 one can manipulate musical clock signals in various ways. Four clock channels allow synchronisation of four Midi receivers, two devices with DIN-Sync (also know as “Roland sync”), and two analog sequencers or arpeggiators.

Each clock channel can shifted in time individually in very small and in 16th steps. A swing or shuffle can be applied to each clock channel. This is not limited to the classic shuffle (every even count is shifted). Using the editor software custom swing patterns can be designed. And it is even possible to use a differnt swing pattern for each clock channel.

In order to implement all these functions in real-time, clock signals have to be “tiwsted” massively. Some of the many devices that can be connected to the ACME-4 can handle more “clock twisting” than others. The editor software allows adjusting some parameters of the ACME-4 to match the limits of the devices connected.

And something to keep in mind: because of the many frontpanel controls of the ACME-4 it may be tempting to tweak and turn everything to the max right from the start. This will probably yield rhythmic chaos rather quickly. Musically much more interesting are subtle settings - a small shift here, a light swing there - and suddenly your tracks will groove like they never did before ...

  • The only device we know of to generate a MIDI master clock that is 100% jitter-free.
  • Derives a highly accurate MIDI clock from any audio recording system
  • Analog 16th-note triggers can also be used as clock source
  • Generates 4 separate clock streams
  • Each clock stream has its individual MIDI output. 2 streams also generate 24-ppq signals (“Roland sync”), while the other 2 provide clock and reset signals for analog sequencers and arpeggiators.
  • Each clock stream can be time-shifted in relation to the master clock, in extremely small increments as well as in 16th-note steps. The fine shift, too, follows tempo changes.
  • In addition a constant fine offset can be set for each clock stream to allow compensation of technical latencies.
  • Each clock stream can be set to double or half tempo, and can be turned on and off without loosing synchronicity.
  • A swing or shuffle factor can be set individually for each clock stream. The swing pattern can be the same for all 4 streams, or it can be a different one for each. A software editor for these patterns is included.
  • All functions have dedicated controls, so they can be "played" without staring at a display and poking around in submenus. Calibrated center clicks on all pots allow instant nulling.
  • Complete settings of all controls can be stored and recalled. All parameters can be remote controlled via MIDI.
  • Like all SND products, the ACME-4 has been designed with great attention to detail. The 32-bit risc-processor ensures lightning-fast reaction. High-grade components (gold-plated jacks, switches, and push-buttons, sealed Alps potentiometers etc.) and a rugged metal casing ensure decades of reliable operation.

Size: 217 mm (width) x 160 mm (depth) x 68 mm (height), powered by USB or external supply


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SND ACME 4 Advanced Clock Management Engine