Yamaha P-125a User Manual

DIGITAL PIANO
Owner’s Manual
EN
Appendix IntroductionReference
Before using the instrument, be sure to read “PRECAUTIONS” on pages 5 – 6.

Yamaha P-125a Specifications

General

Type	Digital Piano
Touch Sensitivity	Hard/Medium/Soft/Fixed
Polyphony (Maximum)	192
Number of Voices	24
Damper Resonance	Yes
Sound Boost	Yes
Intelligent Acoustic Control (IAC)	Yes
Stereophonic Optimizer	Yes
Metronome	Yes
Tempo Range	5 - 280
Transpose	-6 to 0, 0 to +6
USB to Host	Yes
USB to Device	No
Amplifiers	7 W x 2
Bluetooth	No
Auto Power Off	Yes
Keyboard	88-key, Graded Hammer Standard (GHS) keyboard
Reverb	4 types
Number of Preset Songs	21 demo songs + 50 piano songs
Recording	2-track MIDI recording
Data Capacity	Approx. 100 KB per song
Speakers	12 cm x 2 + 4 cm x 2
Dimensions (W x D x H)	1, 326 mm (52-3/16 inch) x 295 mm (11-5/8 inch)
Weight	11.8 kg (26 lbs)
Power Supply	PA-150B or an equivalent recommended by Yamaha
Included Accessories	AC adaptor, Music rest, Footswitch
Connectivity	USB to Host

Summary

PRECAUTIONS

WARNING

Safety warnings covering electrical hazards, fire, product misuse, and essential precautions.

CAUTION AND NOTICE

Handling, Maintenance, and Data

Covers safe handling, maintenance procedures, data management, copyrights, and manual usage.

Manuals and Key Operations

Product Documentation and Resources

Lists manuals, guides, and online resources for instrument operation and support.

Key Operation Guide

Explains how to use keyboard keys in conjunction with buttons for settings and operations.

Panel Controls and Terminals

Component Identification and Function

Identifies and describes all buttons, jacks, and terminals on the instrument panel.

Setting Up: Power and Auto Power Off

Power Connection and Operation

Guides on connecting the AC adaptor, turning the unit on/off, and managing auto power off.

Setting Up: Volume and Headphones

Volume Control and Sound Optimization

Details adjusting master volume and using Intelligent Acoustic Control for sound quality.

Headphone Use and Optimizer

Guides on connecting headphones and using the Stereophonic Optimizer for enhanced listening.

Setting Up: Pedals

Pedal Functions and Connection

Explains sustain pedal features and how to connect the optional pedal unit.

Selecting & Playing Voices

Voice Selection and Features

Guides on choosing instrument voices, using EQ, and sound boost.

Layering Voices (Dual)

Dual Mode Operation

Guides on combining two voices for a richer sound, including balance and octave adjustment.

Keyboard Split and Duo Modes

Split and Duo Mode Setup

Explains keyboard splitting and setting up for two players with pedal functions.

Using the Metronome

Metronome Controls and Settings

Details how to start/stop the metronome, confirm tempo, and adjust tempo, beat, and volume.

Setting Performance Items

Pitch and Effect Settings

Covers pitch tuning, transposition, reverb effects, and touch sensitivity adjustments.

Playing Back Songs

Song Listening and Playback

Explains how to play demo, preset, and external songs, and their playback controls.

Song Practice Features

Quick Play and Part Practice

Covers song playback options and practicing individual song parts.

Adding Accompaniment (Rhythm)

Rhythm Selection and Control

Guides on selecting rhythms, adjusting tempo/volume, and using intro/ending features.

Recording Your Performance

Recording Techniques

Guides on recording performances, including quick recording and recording parts independently.

Managing Recorded Songs

Deleting and Modifying Songs

Provides instructions on deleting songs and changing initial recording settings.

Connecting Other Equipment

External Connections and Devices

Guides on connecting external speakers and smart devices for expanded functionality.

Data Management

Computer Connection and Data Backup

Details connecting to a computer and managing data backup and initialization.

Troubleshooting

Voice List (Detailed)