Six musical EQ bands
Low and high shelves, four fully parametric mid bands, plus independent low- and high-cut filters.
The new generation is here
LT-EQ 2 replaces the original with wider mid-band frequency ranges, direct numeric entry and a clearer response display. AAX Native, VST3 and AU are free; only the AAX DSP edition costs €19.

The LT-EQ workflow moves forward
LT-EQ 2 keeps the direct workflow of the original while making every important value easier to reach, enter and read.
Low and high shelves, four fully parametric mid bands, plus independent low- and high-cut filters.
Move each of the four parametric mid bands anywhere from 20 Hz to 20 kHz.
Double-click frequency, gain or Q, type the value you want and press Enter.
Use the same controls and sound on the host CPU or compatible Avid HDX hardware.
Native and Pro Tools HDX
Use the free Native edition in AAX Native or VST3 on Mac and Windows, plus Audio Unit on Mac, or move the same controls and sound to compatible Avid HDX hardware with the paid AAX DSP edition.
Signed Mac and Windows installers are available now. Mac supports both Apple silicon and Intel.
Two clear editions
Download the complete Native edition free, with no time limit or licence key. Buy DSP only when you need processing on compatible Pro Tools HDX hardware.
Free downloads · 14-day demos · perpetual licences
Explore 27 plugins across 51 Native and AAX DSP editions for Mac and Windows. LT-EQ 2 and Nordlys Native are free, with AAX DSP editions for Pro Tools HDX at €19. Download Lydtrold Spring and The Strip free, or explore the rest of the catalogue.
No licence required
Complete Native tools you can download and use without a licence key. Products that also have an AAX DSP edition show that option and its price on the same card.
Six-band parametric EQ with extended 20 Hz–20 kHz mid bands and direct value entry. Native is free for Mac and Windows; the AAX DSP edition for Pro Tools HDX is €19.
Free AAX Native and VST3 for Mac and Windows, plus Audio Unit on Mac. No licence key required.
A free stereo vectorscope with peak input meters, a large square stereo-image display, phase correlation and mono checking—available for Mac and Windows.
FreeAAX Native · VST3 · AU on Mac · AAX DSPView pluginA free blues-amp spring reverb with one direct Reverb control and a lively tank response—available for Mac and Windows.
A 1980s-inspired digital reverb with free Native formats and AAX DSP for Pro Tools HDX. Exceptional HDX efficiency—approximately 6% of one DSP chip in our stereo 48 kHz test.
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Tone shaping, filtering and precise frequency control.
Six-band parametric EQ with extended 20 Hz–20 kHz mid bands and direct value entry. Native is free for Mac and Windows; the AAX DSP edition for Pro Tools HDX is €19.
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Channel strips, compression, gating and level control.

5 COMPRESSORS · 1 BUNDLE
Five compressors in one bundle—fast FET, smooth and fast opto, flexible VCA and stereo-bus dynamics, with the same approved sound in Native and AAX DSP editions.
Free AAX Native and VST3 for Mac and Windows, plus Audio Unit on Mac. No licence key required.
A focused drum-bus processor that combines weight, compression and top-end presence with parallel mix control—available in Native and AAX DSP editions.
Transformer and tube mix-bus colour with level-matched drive, saturation, stereo spread and mono-bass control for weight, width and polished cohesion.
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Space, depth, ambience and time-based effects.

A characterful 12-bit digital echo with delay time, feedback, echo level, hold and dry/wet routing for compact vintage repeats.

Warm mechanical spring reverb with decay, dwell, tone and mix controls for lively guitar ambience and dub-style tank effects.
A true-stereo algorithm processor with eight reverb families, 48 programs, flexible early/tail shaping, multiband processing, delay, Wet 100 and Freeze.
FreeAAX Native · VST3 · AU on Mac · AAX DSPView pluginA free blues-amp spring reverb with one direct Reverb control and a lively tank response—available for Mac and Windows.
A true-stereo vocal reverb with Plate, Chamber, Hall and Air characters, vocal-aware focus control and an interactive reverb EQ—available in Native and AAX DSP editions.
An algorithmic stereo space processor with five characters, fifty presets, macro control, diffusion, width, damping and infinite freeze—available for Mac and Windows.
A 1980s-inspired digital reverb with free Native formats and AAX DSP for Pro Tools HDX. Exceptional HDX efficiency—approximately 6% of one DSP chip in our stereo 48 kHz test.
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Chorus, tremolo and movement for width, pulse and animation.
A vintage stereo digital delay with SPX, Hybrid and SDE characters, session sync, tap tempo, modulation and an animated repeat display. Starts at 100% Wet for aux use.

Warm analog-style chorus with rate, depth, effect level and EQ controls for subtle widening, fluid movement and lush modulation.

Deep stereo jet modulation with manual, rate, depth, resonance, tone and multiple mode choices for classic sweep and animated movement.

A flexible vintage phaser with rate, depth, feedback, mix and selectable 4-, 5-, 9-stage or deep phasing characters.

A multi-circuit vintage phaser with 1974, Sovtek and modern characters plus rate, depth, colour, mix and makeup controls.

Vintage amplitude modulation with depth, speed and level controls plus soft or hard shapes, tempo sync and manual or automatic modes.
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Overdrive, distortion and fuzz pedals for colour, crunch and sustain.

A touch-sensitive vintage overdrive with direct gain, tone and output controls for warm drive from edge-of-breakup to singing lead tones.

Warm sustaining fuzz with simple sustain, tone and volume controls for thick rhythm sounds and singing lead sustain.

Classic mid-focused overdrive with drive, tone and level controls plus selectable TS808 and TS9 circuit characters.

Warm classic hard-clipping drive with level, distortion and tone controls for focused vintage crunch.
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Stereo image, phase correlation and signal-level analysis.
A free stereo vectorscope with peak input meters, a large square stereo-image display, phase correlation and mono checking—available for Mac and Windows.
Browse by effect
Guitar and bass amplification with built-in cabinet character.
A characterful hybrid tube bass amplifier with responsive gain and tone shaping, parallel mix control and built-in 10-inch, 15-inch or blended cabinet modes.
A 30-watt EL84 tone amp with an open Alnico 2×12 cabinet voice, spring reverb, Bright mode and a responsive Cut control.
A 15-watt blues amplifier with responsive tube character, spring reverb and a built-in open-back 12-inch cabinet voice.
A 100-watt EL34 master-volume amplifier with high and low inputs and a focused closed 4×12 cabinet character.
Audio plugin formats
Lydtrold develops audio plugins for recording, mixing and mastering. Choose AAX DSP plugins for compatible Pro Tools HDX systems, AAX Native for host-based Pro Tools sessions, VST3 for Windows and Mac, or Audio Unit for Mac.
Lydtrold · Denmark
Focused workflows, characterful sound and interfaces that invite you to listen. The line-up spans EQ, dynamics, amplifiers, reverb and modulation, with AAX Native and VST3 for Mac and Windows, Audio Unit on Mac, and selected AAX DSP editions for Pro Tools HDX.