What characterizes the performance setting of Haydn's string quartets?

The performance setting of Haydn's string quartets is characterized by small, intimate gatherings that allow for personal expression. This reflects the nature of chamber music, where a small ensemble performs in a more personal and less formal setting compared to large orchestral works. Haydn’s string quartets were often performed in private homes or small salons, enabling close interaction between musicians and their audience. This intimacy fosters an environment where the subtle nuances of the music could be conveyed and appreciated, making the communication between the performers and the listeners much more direct and engaging.

The focus on personal expression is pivotal in understanding the evolution of the string quartet form during Haydn's time. His compositions often explore a variety of emotions and technical intricacies that benefit from the nuanced performances that a more personal setting can provide. This contrasts significantly with the other considerations in the choices provided.