Erica Synths - Pico A Logic


A Logic is an analog logic module, which determines the sum and difference of two signals. Additionally, the circuit generates minimum and maximum curves based on incoming material. – A great partner for creating complex control voltages. Feeding audio material into A Logic results in ring modulator and wave shaper effects.



A Logic comes equipped with two inputs, which are suitable for audio material as well as control voltages. The module calculates the sum and difference of incoming signals. Results can be tapped off at two outputs. Furthermore, the circuit compares both signals continuously and forms voltage curves from higher and lower value. Again, there are two outputs for tapping off the results. LEDs give users visual feedback on the module’s work.


Two signal inputs (A / B)
Outputs for sum, difference, minimum and maximum


3U Eurorack module, 3 HP wide, 35 mm deep
Power consumption: 22 mA at +12 V and 5 mA at -12 V

0.047 kg
Article Number

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