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The A-180-4 consists of four buffer circuits for control voltages. A buffer serves to avoid a voltage drop. This can occur due to different loads. The lower three units are each normalized to the previous output, so that the module can also be used as a buffered multiple by leaving the lower inputs unconnected.
The Doepfer A-180-4 module contains four control voltage buffers, each consisting of an input and an output.
Each input is normalized to the previous output, so that a signal at the first input is passed through all four units. Thus, the module can also be used as a buffered multiple to distribute control voltages without voltage loss.
WIth a long trajectory building synths, MIDI keyboards and designing bespoke devices for music pioneers Kraftwerk, Dieter Doepfer decided to design his own modular synthesizer in 1995 based on existing electrical and mechanical specifications of lab equipment he used during his years at university. The official presentation of the system at 1996 Frankfurt Musikmesse caught everyone by surprise and created lots of interest. After Doepfer published the specifications on his website, many instrument designers and engineers saw the potential of the new Eurorack format. Doepfer continues expanding their catalog of over 200 modules (and counting), operating from their modest offices in the outskirts of Munich.
