This manual covers important safety precautions, recommended installation locations, and handling guidelines for Yamaha professional speaker systems. It advises avoiding direct sunlight, high temperatures, humidity, dust, and vibration, and stresses disconnecting power before moving or connecting cables.
Detailed wiring instructions are provided for phone‑plug, Neutrik NL4MP, and NL4FC connectors, along with speaker‑cable selection, impedance considerations, and optional suspended‑rig installation using M10 eye bolts. Technical specifications for each model, including power capacity, impedance, sensitivity, frequency range, dimensions, and weight, are listed in the specifications section.
| Power Capacity (PGM) | 400 W |
|---|---|
| Nominal Impedance | 8 ohms |
| Sensitivity | 97 dB SPL (1W, 1 m) |
| Frequency Range | 55 Hz – 20 kHz |
| Dimensions (W x H x D) | 480 x 695 x 675 mm |
| Weight | 26.5 kg |
Do not connect more than two 8‑ohm speakers in parallel; R112, R115, R12M, and R15M are 8 Ω and can be paralleled two per amp channel, while the R215 is 4 Ω and should not be paralleled with another R215 or other models.