Yes, Les Paul guitars are known for their versatility and can produce a good clean sound when not distorted. Les Paul guitars, particularly the models equipped with humbucking pickups, are renowned for their warm and rich tonal characteristics. When played through a clean amplifier or with minimal or no added effects, Les Paul guitars can deliver a clean and clear sound with excellent note definition and sustain.
The combination of the mahogany body and neck, along with the solid maple top, contributes to the guitar's tonal qualities. The construction and materials used in Les Paul guitars help produce a balanced and resonant sound, making them suitable for a wide range of playing styles and musical genres, including clean tones.
It's worth noting that the sound of any guitar, including Les Paul models, can be influenced by factors such as the specific pickups installed, the amplifier and settings used, and the player's technique. However, Les Paul guitars are generally well-regarded for their ability to produce a pleasing clean sound.