“Box tone” is a term that is often used to describe the characteristic sound of a particular piece of audio equipment, particularly when it comes to classic analog effects devices such as equalizers and compressors.
The “box tone” of an effect is often described as the unique timbre or tonal coloration that the device imparts on the audio signal as it passes through it. This can be due to a variety of factors, including the type and quality of the components used in the device, the design of the circuitry, and the way the device processes the signal.
Some audio engineers and producers may seek out specific “box tones” for their recordings and mixes, as they can add character and depth to the sound. Others may prefer a more neutral or transparent sound, in which case they may choose equipment that has a more subtle or less noticeable “box tone.”
It’s important to note that the term “box tone” is often used informally and can be somewhat subjective, as different people may have different opinions on what constitutes a distinctive or desirable “box tone.”