Module formats

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For synthesizer modules to work well together in a modular system, they need to have a few basic characteristics in common, such as physical size and power supply considerations. Thus, several standard module formats have been developed over the years, and manufacturers design their modules to adhere to one or more of these standards.

1U[edit | edit source]

1U is 1.75 inch high. Unusual but used by:

3U[edit | edit source]

3U is 5.25 inches (133.35mm) high: Used for:

4U[edit | edit source]

4U is 7 inches high. Used by:

  • Buchla, modules are multiples of 4.25" wide.
  • Serge, most modules are full-width panels, i.e. 17 inches to fit a rack.

5U[edit | edit source]

5U is 8.75 inches in height. Used by:

  • MOTM, 1.75 inch wide per unit.
  • MU aka Dotcom.

6U[edit | edit source]

6U is 10.5 inches high. Used by:

  • Modcan A series, panels are 2.25 inch width.
  • Wiard 300 series

Other formats[edit | edit source]

Brands which do not use standard racking formats for their modules:

References[edit | edit source]

This page uses Creative Commons Licensed content from Mod Wiggler Wiki:Module formats (View authors).


See also[edit | edit source]