What is an Analog Synthesizer?

An analog synthesizer is an electronic musical instrument that generates sound using analog electronic circuits rather than digital processing. These instruments create audio signals directly through electrical components such as oscillators, filters, and amplifiers.

Analog synthesizers typically use voltage-controlled oscillators (VCOs) to produce basic waveforms such as sine, square, triangle, and sawtooth waves. These sounds are then shaped using components like filters, envelopes, and low-frequency oscillators (LFOs) to control tone, movement, and dynamics.

Analog synthesizers are valued for their distinctive sound character, often described as warm, rich, or organic. They have played an important role in many musical genres including electronic music, rock, pop, and film scoring, and many classic analog synthesizers remain highly sought after by musicians and producers.