1979 DSS Dual Sequential Switch from Grayscale / 1979 on Vimeo.
Preview of the 1979 DSS (Dual Sequential Switch) for Buchla format modular synthesizer systems. Visit https://1979.ws/dss for more info.
The standard configuration has audio I/O jacks on the top and banana I/O jacks on the bottom. Custom configurations with all audio or all banana jacks can be supplied, please send an email with a request after placing your preorder. Custom builds are available on a limited basis.
The DSS is intended as a companion for the Buchla 245/246 sequencers or other "quad" modules in the Buchla world such as the 281 and 292.
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 signal sources to the four I/O inputs (A-D) and they will be routed to the common output jack (Z). Alternately, patch one signal source to the common input jack (Z) and it will be redistributed to the four outputs (A-D).
Every aspect of the switching schema is exposed on the front panel, and every parameter can be modified with external CV, making this one of the most fully-featured sequential switches available. Each section has its own independent sequence length (from 1 to 4 steps). The Step Change output (SC) generates a trigger whenever the sequence length is changed, telegraphing local local state changes to external modules. Clocked switching can advance forwards, backwards, forwards then backwards (pendulum), or randomly.
Tech Specs
Two 4:1 or 1:4 sequential switches for audio or CV
Voltage control of all parameters
VC stage addressing via pulse or variable CV inputs
Variable sequence length (1-4 steps)
Variable switching mode (forward, reverse, pendulum, random
Extensive pulse I/O for synchronicity with external modules
Sync output tracks changes to sequence length
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