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Maestro FZ-1 Fuzz-Tone

Maestro · 1962

The Maestro FZ-1 Fuzz-Tone is the first widely marketed fuzz effect. Introduced in 1962. Achieved mainstream impact in 1965 via Keith Richards on 'Satisfaction'. Uses three germanium transistors. Powered by two 1.5V batteries (later one). Responds directly to input amplitude. Temperature sensitive. Delivers brass-like tones. Integrated into Gibson EB-0F basses circa 1964. Revised as FZ-1a in late 1965.