ソネット内部ウェイト

Went with the copper option and it transformed the whole feel—the extra heft makes keystrokes land with more authority. The PVD coating is flawless, no scratches after a week of daily typing. Sound is noticeably deeper now, like the board finally found its voice.

The brass insert added just the heft I was after, and the keyboard sits rock-solid on my desk now. The sound did change too, a touch deeper and more muted, which I didn't expect but genuinely like.