1979 DSS Dual Sequential Switch

Bidirectional sequential switches for audio and CV for Buchla 4U systems.

€ 955,00
Op Voorraad

The DSS is intended as a companion for the Buchla 245/246 sequencers and other "quad" modules in Buchla format such as the 281 and 292. New possibilities for performance and composition arise from the ability to dynamically route multiple sources to multiple destinations without repatching.

The main I/O is bidirectional, meaning that the module works as a 4:1 multiplexer or a 1:4 demultiplexer. Patch up to four signals to the inputs labeled 1-4 and they will be sequentially routed to the common I/O jack. Alternately, patch one signal source to the I/O jack and it will be sequentially distributed to the 1-4 jacks.

Each half of the module has its own independent loop length (from 1 to 4 steps) and sequencing mode: forwards, backwards, forwards and then backwards (pendulum), or random. The SC (Step Change) output generates a trigger whenever the sequence length is changed, which is useful for synchronizing the upper and lower halves of the module or communicating state changes to other modules. The analog CV addressing input (ADDR) bypasses pulse-based control and allows an external CV source to select which step is active, similar to the "analog" CV input on the Buchla 245/246.

Expanded control and sequencing options make the DSS one of the most fully-featured sequential switches available in any modular format. Every aspect of the switching schema is accessible, facilitating patches that were not previously possible in the Buchla ecosystem.

Features :

  • 4:1 (multiplexed) or 1:4 (demultiplexed) switching of audio or CV
  • Variable sequence length (1-4 steps) with voltage control
  • Variable switching mode (forward, reverse, pendulum, random) with voltage control
  • Step addressing via clock, direct selection, or external CV
  • Extensive pulse I/O for synchronization with external modules
  • Buchla 4U Format

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