Boss FA-1 FET Amp vs Spaceman Redstone

The Boss FA-1 FET Amp and the Spaceman Redstone are both pedals sharing transparent. The Boss FA-1 FET Amp leans harmonically rich. The Spaceman Redstone leans warm and aggressive. Current prices: $399.99 vs $249.

Similarity
citedBlended from circuit-archetype lineage, dynamic feel, tone-signal overlap and tone-vector distance — the tone vector itself is derived from editorial description text, not a measured acoustic signal, so this reflects how similarly the catalog copy describes the two, not a lab measurement. Shown only within a gear class, and only where there's enough evidence to be meaningful.

37% — somewhat different

Shared tone character
citedDerived from overlapping tonal signals across both listings.
  • transparent
Citation fame
citedCitation/mention fame — how often this gear is cited across artist rigs and gear discussion.
0%
0%
Price

$399.99via Reverb

$249via Reverb

Description

The Boss FA-1 FET Amp is a vintage 1983 preamp pedal by Roland Japan using FET transistors to simulate the input stage of a valve amplifier. Originally marketed as a rack preamp in compact pedal form, it provides transparent clean boost and subtle preamp coloration without significant gain clipping. Famously used by The Edge of U2 throughout the 1980s as a clean boost to drive his amplifiers and enhance his guitar tone. Adds presence, definition, and harmonic body without adding distortion character. Long discontinued and now a collector piece among vintage tone enthusiasts.

The Spaceman Redstone is a flexible preamp pedal built around a vintage NOS germanium transistor and a discrete op-amp gain cell capable of up to 40dB of gain, paired with a 3-band tone stack for shaping the boosted signal. It offers high headroom for clean-to-driven preamp duties, drawing 9mA at bypass and up to 32mA when engaged, accepting 9-12VDC power. Distinct from Spaceman's fuzz-focused pedals, the Redstone is positioned as a tone-shaping utility preamp rather than a dedicated distortion or fuzz effect.

Genres
citedGenres this gear is documented as being used in.
  • Ambient
  • alternative
  • blues
  • classic rock
Tonal lean
  • harmonically rich
  • warm
  • aggressive
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