Doepfer A-166 Dual Logic Module

The Doepfer A-166 is a powerful utility for digital signal processing in modular synth systems. It features two independent logic sections, each equipped with three signal inputs (labeled A, B, and C) and logic outputs for AND, OR, and XOR operations. These outputs allow you to combine gate and trigger signals in various logical ways, opening up a wide range of creative and functional possibilities.

Additionally, the module provides a combined logic output that links the two units internally—perfect for more advanced control schemes, complex conditional patching, or rhythmically driven modulation. The A-166 is essential for anyone exploring algorithmic composition, generative patching, or time-based signal manipulation in a Eurorack format.