VC Switch/Address – 8-Position Voltage-Controlled Switch
The VC Switch/Address is an 8-position, bi-directional voltage-controlled switch driven by a window comparator, offering precise manual and CV control over routing and gate generation. Use the “Address” knob to manually select the active position, or patch into the CV Address input with full bipolar attenuation to dynamically shift the switch point—adding or subtracting from the current address for smooth or stepped modulation.
Each of the 8 switch positions has its own dedicated Gate output (G1–G8), making it an ideal trigger source for envelopes, sequencers, pulse generators, or tunable offsets. The S1–S8 switch I/O points allow flexible routing of audio or CV signals.
Outputs are stackable via OR logic, enabling creative combinations—great for burst generation, waveform mixing, or audio-rate modulation tricks. Route multiple oscillator waveforms into the switch to generate evolving timbres based on the active address position.
This module is a powerful tool for sequential switching, rhythmic gating, and waveform sculpting in any modular system.
Below show’s how to modify the module for 0-5V offset operation. I found this more useful than a +/-5V offset and will update on next restock.
Production modules will ship with this modification already done.
** 4U Modular is a term used for the format most commonly known as “Serge Format” or “Loudest Warning Format”. Out of respect for the ever growing format, 4U Modular is the easiest way to refer to it. More Specifically it refers to the panel height and mounting hole style. 4U Modular will patch up just fine with other 4U "Serge" formats such as "Random Source", but it will not mount in RS boats or Buchla Boats (or power off Buchla power for that matter). An info page about this will be added to the website soon to make this a lot more easy to understand.
DIY Build Information:
LGE120 Main Board Bill of Materials
LGE120 Main Board Designator Layout
LGE120 Main Board Schematic
LGE120C I/O Board Bill of Materials
LGE120C I/O Board Designator Layout
LGE120C I/O Board Schematic
LGE120 Panel Art
Mechanical Parts BOM generally required for building Low-Gain Electronics Modules
Details:
PCB Size: 6” x 2”
Current Draw: TBD