Yamaha S112IV User Manual

SPEAKER SYSTEMS
S112 IV /S115 IV
SM10 IV /SM12 IV /SM15 IV
S112 IV -OAK
S115 IV A -OAK
SM10 IV-OAK /SM15 IV -OAK
SUBWOOFER
SW118 IV
CROSSOVER NETWORK
PN90
Owner’s Manual
Mode d’emploi
Bedienungsanleitung
Manual de instrucciónes
Thank you for purchasing a YAMAHA product. To obtain
maximum performance from your YAMAHA speaker system
and ensure many years of trouble-free operation, we recommend
that you read this Owner’s Manual thoroughly before use.
Contents
Precautions ......................................................................2
Connecting the Speakers ................................................4
Specifications...................................................................6
Technical Data ...............................................................25
P.O. Box 1, Hamamatsu, Japan

Yamaha S112IV Specifications

General

Brand	Yamaha
Model	S112IV
Category	Speaker System
Language	English

Summary

Precautions

Environmental and Connection Safety

Avoid adverse environments and ensure power is off for connections.

System Operation and Protection

Correct power up/down sequence, polarity matching, and Poly Switch function.

Speaker Stand and Suspension Safety

Speaker Stand Usage Guidelines

Rules for safe speaker mounting on stands to prevent falls.

Suspension Hardware Preparation

Steps to prepare speakers for suspension using fly-ware.

Suspension Safety Procedures

Critical safety advice for suspending loudspeakers properly.

Connecting the Speakers

Standard Connection Example

Diagram illustrating standard audio connections for two speaker systems.

Daisy-Chaining and Wiring

How to daisy-chain speakers and correct phone plug wiring.

System Connection Examples

Connecting Subwoofers with Crossover

Diagram and notes for connecting SW118IV subwoofers and PN90 crossover.

Product Specifications

SM Series Speaker Specs

Technical details for SM10IV, SM12IV, SM15IV models.

SW118IV Subwoofer Specs

Technical details for the SW118IV subwoofer.

PN90 Crossover Specs

Technical details for the PN90 crossover network.

Technical Data: Frequency Response and Impedance

SM Series Frequency/Impedance Graphs

Graphs showing frequency response and impedance for SM models.

SW118IV Frequency/Impedance Graphs

Graphs showing frequency response and impedance for SW118IV.

Horizontal Directivity Data

SM Series Horizontal Directivity

Polar plots illustrating horizontal sound dispersion for SM models.

Vertical Directivity Data

SM Series Vertical Directivity

Polar plots illustrating vertical sound dispersion for SM models.