The Yamaha MX12/4 is a compact 12‑channel mixer with four group outputs, designed for balanced operation, easy setup, and reliable performance. This manual explains safety precautions, control‑panel functions, connection options, and maintenance procedures.
Key sections cover power requirements, channel gain and EQ controls, master and group faders, input connectors (XLR mic, TRS line), phantom power, and warranty information. Follow the guidelines to ensure safe use and optimal audio quality. This manual is written in Japanese.