YAMAHA S112IV/S115IV/S115IVA SM10IV/SM12IV/SM15IV S112IVS/S115IVS/S115IVAS/SM12IVS S112IV-OAK/S115IVA-OAK SM10IV-OAK/SM15IV-OAK SW118IV/SW118IVS PN90 OWNER'S MANUAL

About this manual

This document is an Owner's Manual for a range of Yamaha professional loudspeaker systems. It covers various models including full-range speakers (S112IV, S115IV), Oak versions (OAK), Subwoofers (SW118IV), and a Crossover Network (PN90). The guide includes safety warnings regarding heat, humidity, and hearing loss, as well as instructions on power-up sequences to prevent damage.

What's inside

• Precautions
• Connecting the Speakers
• Specifications

Specifications

Frequently asked questions

What is the recommended height limit for TS-30 and TS-40 stands?

Use these stands at no higher than 130 cm for S112IV, S112IVS, SM10IV, SM12IV or SM12IVS models.

What is the recommended height limit for using the TS-30 or TS-40 speaker stands with the S112IV or SM10IV models?

You must not use these stands at a height higher than 130 cm for these specific models.

What is the maximum length of the pole allowed for mounting a satellite speaker on the SW118IV subwoofer?

Do not use a pole longer than 56 inches for this subwoofer.

How much higher should the LOW signal level be set compared to the HIGH signal level when using the PN90 crossover?

A good starting point is to raise the LOW signal level about 8 dB higher than the HIGH signal.