The instruction manual introduces the features of the YAMAHA S15/S15W speaker system, including the structure of the speaker system, connection methods, precautions, etc.
Thank you for choosing the Yamaha $15/$15W speaker system. This is a compact two-way bass-reflex speaker system equipped with a 12 cm (5") woofer and a 2.5 cm (1") tweeter, designed to provide well-balanced high-quality sound reproduction over the entire frequency range.
To obtain maximum performance from your Yamaha speaker system, it is recommended that you read this operation manual thoroughly before use.
| Speaker Unit LF (Woofer) | 12 cm (5") Cone |
|---|---|
| Speaker Unit HF (Tweeter) | 2.5 cm (1") Horn |
| Enclosure Type | Bass reflex |
| Frequency Range | 65 Hz—40 kHz |
| Nominal Impedance | 6 ohms |
| Sensitivity | 88 dB SPL (1watt, 1m) |
| Power Capacity (Noise) | 40 watts |
| Crossover Frequency | 3.5 kHz |
| Dimensions (W x H x D) | 241 x 160 x 145 mm |
| Weight | 2.8 kg |
The nominal impedance of the speaker system is 6 ohms.
Be sure that all speakers are connected in phase when driven by separate power amplifier channels to avoid a loss in output level and sound quality.
The internal protection circuit shuts off the tweeter. If the tweeter emits no sound, reduce the volume level of the amplifier immediately; the sound will return automatically in several seconds.