Design concept for Little Labs, prepared by The Recording Club. Not affiliated with Little Labs.
Little Labs

Discrete active Baxandall EQ

THAT70SEQ

The tone stack out of a 1970s receiver, built properly.

The That 70s EQ is an active, discrete Baxandall‑style equalizer inspired by classic 1970s receiver tone stacks, built for today's pro‑audio workflows. It delivers smooth, musical Bass, Mid, and Treble shaping with switchable Baxandall turnover points, continuously variable high‑pass and low‑pass filters, and a dedicated loudness contour, evoking the familiar, engaging curves that defined many 70s listening setups.

THAT70SEQ
what it does
  • Discrete, transistor‑based active Baxandall topology for bass, mid, and treble.
  • 1970s receiver‑inspired voicing with selectable Baxandall turnover points.
  • Continuously variable high‑pass and low‑pass filters for precise signal shaping.
  • Loudness contour for classic 70s‑style tone curves.
  • Polystyrene film and Nichicon Muse capacitors paired with Dale/Vishay resistors in key tone positions for smooth, effortless sound.
format
Announced. Not shipping yet.
built
Los Angeles, by Little Labs
documentation
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