SumDif

Dual adder / subtractor

Shakmat Modular · 2 HP · 3U

Panel · 10.2 × 128.5 mm

Description

A dual adder and subtractor in 2 HP, for CV and audio alike: each section sums its two inputs and takes their difference, with a precision signal path that keeps V/oct in tune.

Key features

  • Two sections, A and B, C and D: A+B and A-B, C+D and C-D (3 V at A and 1 V at B give 4 V and 2 V)
  • Unity mixer, buffered multiple or inverter, and Mid/Side processing
  • Precision signal path, fit for V/oct
  • Jumpers at the back to lower A+B and A-B by 6 dB

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