The soundtrack’s smooth, clear sound is reflected in the emblem’s symbols. The THX logo is an ode to harmony, order, and consistency. Shows the outlined framework, the system of rules and requirements developed by the company, which guarantees decent sound quality.
THX was founded in 1983 as a division of Lucasfilm, George Lucas’s studio. Tomlinson Holman, a sound engineer, academic researcher, and Lucasfilm’s chief technical officer, led the project. The abbreviation referred to two things: Lucas’s debut feature, THX 1138, from 1971, and Tomlinson Holman eXperiment, a name associated with Holman’s work in acoustics and sound reproduction.
The system grew out of a practical problem in cinema. Studios mixed film soundtracks in acoustically controlled rooms. Yet, many theaters in the late 1970s and early 1980s played them through aging equipment, weak insulation, and poorly maintained rooms. Lucas saw the gap while working on Star Wars films, and Holman turned those observations into technical standards for theaters.
The first THX-certified cinema was Coronet Theatre in San Francisco. Certification took place in May 1983, ahead of the premiere of Return of the Jedi. The hall was tested for background noise, room acoustics, reflection and absorption levels, sound pressure, and equipment setup. Holman developed the “baby boom” configuration, a dedicated subwoofer system mounted in front of the speakers.
In 1990, THX presented home theater certification at CES in Las Vegas. The program covered amplifiers, speakers, DVD players, receivers, soundbars, and car audio systems. THX later divided certification into THX Select and THX Ultra by equipment class. In the same market, Dolby Laboratories worked with Dolby Surround and Dolby Digital, while DTS entered in 1993 with Jurassic Park. THX was separated from Lucasfilm in 2002. In 2016, Razer bought THX for about $35 million and expanded its certification toward gaming headsets, monitors, and speaker systems.
Meaning and History
THX has a long history dating back to 1983. Audio engineer Tomlinson M. Holman developed the system and later joined Apple Inc. Initially, the American company Lucasfilm Ltd. LLC owned the film technology; Creative Technology Limited later acquired the brand, and Razer acquired it in 2016.
The first film with THX was the sixth Star Wars film. They invented the standard specifically for it so the soundtracks would sound good in theaters when Episode VI was shown. Over time, it has expanded into hundreds of other multimedia products and techniques related to video or audio playback. This is how the THX logos spread worldwide: as a clear certification mark.
The brand uses only one visual symbol: a simple two-dimensional “THX” lettering. It comes from the letters in “Tomlinson Holman eXperiment” and matches the title of George Lucas’ debut film, THX 1138. Since the system became quite famous, it has never changed its logo.
In the basic version, the letters align in a single row and use uniform-thickness black strokes. Although they are all capitals, the “T” appears higher. It has been enlarged so its elongated horizontal line covers the tops of the “H” and “X”. A similar strip appears at the bottom, but it doesn’t connect to the abbreviation; it runs along the line like an underscore.
Because the logo looks monotonous, THX Ltd. often experiments with trailers, adding its permanent mascot, a construction robot named Tex. At the same time, designers make the inscription bright, colorful, and three-dimensional, accompanied by the classic Deep Note sound or modern soundtracks. The first such trailer appeared during the premiere of the sixth episode of Star Wars in 1983. At the same time, the logo debuted in Hollywood and Dallas cinemas.
In the original version, the abbreviation looks as simple as possible. It has undergone no graphic changes and has remained the official THX symbol for decades. The emblem’s design has a touch of kitsch because it does not meet the unspoken rules of modern style. The two-dimensional inscription seems outdated compared with other companies’ logos in the multimedia industry.
Font and Colors
The abbreviation uses an unknown modified grotesque with the same vertical and horizontal stroke thickness. The inspiration may have come from Eurostyle. Later, based on the THX wordmark, the same-named font was developed and released in 2015. Its creators considered the overline and underscore, adding parallel lines above and below each letter.
Although the logo is very colorful and voluminous in the trailers, the official version is completely black. The icon consists of simple, two-dimensional letters with no gradients or other color effects, and the company hasn’t changed it since 1983, keeping the design minimalist.



