Lexicon

The reverb that defined how records sound

When record producers talk about "that sound" — that impossibly lush, three-dimensional space that separates a good mix from a masterpiece — they're usually talking about Lexicon reverb. For three decades, Lexicon was the undisputed king of digital reverb, the company that taught the recording industry what artificial space could sound like when it was done right.

History

Lexicon emerged from the MIT research community in 1971, founded by Francis Lee and Ron Noonan. The company's early products were digital delay lines and audio processors, but their focus quickly narrowed to the problem that would define their legacy: creating convincing, beautiful artificial reverberation using digital signal processing.

Natural reverb — the sound of a room, a hall, a cathedral — is staggeringly complex. It involves thousands of reflections arriving at the ear from every direction, each with different timing, amplitude, and frequency content. Simulating this digitally requires enormous computational power and, more importantly, algorithms that capture the feel of a real space rather than just its measurements. This is where Lexicon excelled. Their engineering team, led by David Griesinger, developed reverb algorithms that didn't just sound like rooms — they sounded like beautiful rooms, the kind of acoustic spaces you'd want to live inside.

The Model 224, released in 1978, was Lexicon's first landmark product. It was one of the earliest digital reverb processors to gain wide studio acceptance, and its sound — dense, smooth, and musically flattering — quickly established it as a mixing essential. The 224 appeared in top studios around the world, and its algorithms were used on countless hit records of the early 1980s. The 224XL improved on the original with better converters and more algorithms, but the basic sonic character remained the same: warm, immersive, and unmistakably Lexicon.

The 480L, released in 1986, became the gold standard of studio reverb — a position it held for well over a decade. Its algorithms represented the pinnacle of Lexicon's art: halls that sounded infinitely deep, plates that shimmered with complex, musical decay, and rooms that placed sounds in three-dimensional space with uncanny realism. The "Random Hall" and "Concert Hall" algorithms on the 480L became so ubiquitous in professional mixing that they essentially defined what reverb was supposed to sound like for an entire generation of engineers.

Lexicon continued producing processors through the 1990s and 2000s — the PCM series brought Lexicon quality to more affordable price points, and the 960L extended the flagship line. The company was acquired by Harman International and eventually became part of the Samsung/Harman group. Plugin emulations of Lexicon algorithms are now available from multiple manufacturers, bringing those legendary sounds to anyone with a computer. But the original hardware units — particularly the 480L — remain fixtures in world-class studios, and many mixing engineers still insist that nothing quite captures the depth and density of the original Lexicon iron.

Notable Instruments

Lexicon 224

The 224 was the reverb processor that convinced the recording industry that digital reverb could be not just acceptable, but preferable to mechanical plates and acoustic chambers. Its algorithms produced a reverb tail that was smoother, more controllable, and more musically useful than anything that had come before. The small "larc" remote control — a compact desktop unit with sliders and buttons — became a familiar sight in control rooms worldwide.

The 224's sound had a distinctive character: slightly darker and warmer than later Lexicon units, with a lush, enveloping quality that worked beautifully on vocals, drums, and instruments. Phil Collins' drum sound on "In the Air Tonight" — arguably the most famous drum reverb in pop history — was processed through a 224. Prince used one extensively at Paisley Park. The 224 defined the reverb aesthetic of the early 1980s, and its warm, musical character has kept it relevant and sought-after decades after its introduction.

All Models in Archive (1)

Effects Processors

• 224 - 1978-1985