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About Outboard-EQ

> Outboard-EQ is an 8-band mastering equalizer with dynamic EQ, spectral dynamics, linear and hybrid phase, per-band hardware character stages, EQ Match, full mastering metering (true-peak + LUFS + K-

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Outboard-EQ is an 8-band mastering equalizer with dynamic EQ, spectral dynamics, linear and hybrid phase, per-band hardware character stages, EQ Match, full mastering metering (true-peak + LUFS + K-meter scales), and native multichannel support up to Dolby Atmos 9.1.6 — all in a single plugin.

What it's for

Outboard-EQ is one tool that covers three jobs that usually need three plugins:

  • Mixing — surgical cuts, musical boosts, dynamic de-essing, drum-bus glue, resonance suppression.
  • Mastering — gentle 8-band shaping, M/S work, linear-phase mode, LUFS-target metering for streaming platforms, K-weighted bypass for honest A/B.
  • Character — per-band Op-Amp, tape, Pultec, density, transient and SplitEQ stages turn the EQ into a coloration tool, not just a corrective one.

What's inside

  • 8 parametric bands with 18 filter types and per-band slopes from 6 to 96 dB/oct.
  • Dynamic EQ on every band, with four detector modes (Peak, RMS, Adaptive, Spectral) and an optional free sidechain.
  • Spectral dynamics — Soothe2-style per-bin resonance suppression when a band is set to Spectral mode.
  • Five phase modes: minimum phase (zero latency), natural, linear phase, hybrid (LF min-phase + HF linear-phase), and per-band.
  • Per-band character stages — Op-Amp (Neve / API / SSL), Tape (15 / 30 ips with bias), Pultec low-end, Density waveshaper, Transient designer, SplitEQ tonal/transient gain.
  • Global mastering stages — SubTight, PowerSag, Coils saturation, PurestAir slew-limiter, Mono Maker, Tilt, K-weighted Equal-Loud Bypass, output trim, input/output gain stages with clipping, side-saturation, monitor iso.
  • Three spectrum taps (pre / post / external) with cross-instance broker (32 slots).
  • EQ Match against four built-in targets (Pink Noise, Bach Orchestral, Hip-Hop, Modern Pop) or any captured source.
  • Full mastering meter — true-peak (4× polyphase, ITU-R BS.1770), LUFS metering with nine streaming-target presets (Spotify, Apple Music, YouTube, Vinyl, CD, Club, EBU R128, ATSC A/85), stereo correlation, K-12 / K-14 / K-20 reference scales, per-channel monitor iso.
  • 133 factory presets across four categories — Instrument, Mixing, Mastering, and Character — plus a user library and a default slot.

Plugin formats

VST3 and CLAP for Windows 10 (Build 17134, April 2018) and Windows 11. VST3, AU and CLAP for macOS 10.15 or newer (Intel and Apple Silicon).

See also

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