This file is the user manual of YAMAHA speaker system, which describes in details the connection method, installation method, specification and other information of the speaker.
This document is the Owner's Manual for Yamaha professional loudspeaker systems, specifically models F12, F12M, F15, F25, and the F28 subwoofer. It provides essential safety precautions regarding heat, humidity, and power-up procedures to prevent damage to equipment and hearing loss.
The manual details connection examples for full-range, bi-amp, and combined subwoofer configurations using Neutrik NL4FC connectors. It also includes specific instructions for hanging the F12 and F15 models, specifying load limits and installation angles.
| Frequency Range (F12) | 55 Hz to 20 kHz |
|---|---|
| Power Capacity NOISE (F12M) | 700 W (EIA RS-426) |
| Nominal Impedance (F15) | 8 ohms |
| Sensitivity (F25) | 98 dB (W, m) |
| Frequency Range (F28 Subwoofer) | 35 Hz to 2 KHz |
| Max Power Capacity (F28) | 4000 W |
Only the F12 and F15 models are designed for suspension; the F12M, F25, and F28 are not.
The total load must be no greater than 172 kg, including speakers, eye bolts, and wires.
The crossover frequency is 1.4 kHz at 24 dB/octave with a gain of -3 dB.