Contents

English
- IMPORTANT SAFETY INSTRUCTIONS
- CAUTION: READ THIS BEFORE OPERATING YOUR UNIT.
- CONTENTS
- INTRODUCTION
  - What the unit can do
  - Supplied accessories
- NAMES AND FUNCTIONS OF THE PARTS
  - Front panel
  - Rear panel
- CONNECTIONS
  - Connecting a network CD player
  - Connecting speakers
  - Connecting a subwoofer
  - Connecting to power source
- PLAYBACK
  - Playing a source
- PLAYING BACK MUSIC STORED ON A PC (USB DAC FUNCTION) (A-U670 only)
- ADJUSTING TO THE DESIRED SOUND (A-U670 only)
- INTERLOCKING WITH A NETWORK CD PLAYER
  - Operating the power with the remote control
  - Adjusting the sound volume with the remote control
  - Operating mute with the remote control
  - Selecting input (A-U670 only)
- TROUBLESHOOTING
- SPECIFICATIONS
Franais
- PRCAUTIONS CONCERNANT LA SCURIT
- ATTENTION : VEUILLEZ LIRE CE QUI SUIT AVANT DUTILISER LAPPAREIL.
- TABLE DES MATIRES
- INTRODUCTION
  - Rle de cet appareil
  - Accessoires fournis
- DNOMINATION ET FONCTION DES LMENTS DE LAPPAREIL
  - Panneau avant
  - Panneau arrire
- RACCORDEMENTS
  - Raccordement dun lecteur de CD rseau
  - Raccordement des enceintes
  - Raccordement dun caisson de graves
  - Raccordement la source dalimentation
- LECTURE
  - Lecture dune source
- COUTE DE LA MUSIQUE STOCKE SUR UN PC (FONCTION USB DAC) (A-U670 uniquement)
- RGLAGE DU SON SOUHAIT (A-U670 uniquement)
- ENCLENCHEMENT AVEC UN LECTEUR DE CD RSEAU
  - Mise sous/hors tension laide de la tlcommande
  - Rglage du volume sonore laide de la tlcommande
  - Activation/dsactivation du son laide de la tlcommande
  - Slection de lentre (A-U670 uniquement)
- GUIDE DE DPANNAGE
- SPCIFICATIONS
Espaol
- PRECAUCIONES DE SEGURIDAD IMPORTANTES
- PRECAUCIN: LEA LAS INDICACIONES SIGUIENTES ANTES DE UTILIZAR ESTE APARATO.
- NDICE
- INTRODUCCIN
  - Funciones de la unidad
  - Accesorios incluidos
- NOMBRES Y FUNCIONES DE LAS PIEZAS
  - Panel frontal
  - Panel trasero
- CONEXIONES
  - Conexin de un reproductor de CD en red
  - Conexin de altavoces
  - Conexin de un subwoofer
  - Conexin de la fuente de alimentacin
- REPRODUCCIN
  - Reproduccin de una fuente
- REPRODUCCIN DE MSICA GUARDADA EN UN PC (FUNCIN USB DAC) (A-U670 solo)
- AJUSTE DEL SONIDO DESEADO (A-U670 solo)
- INTERCONEXIN CON UN REPRODUCTOR DE CD EN RED
  - Control de la alimentacin con el mando a distancia
  - Control del volumen del sonido con el mando a distancia
  - Uso del modo silenciar con el mando a distancia
  - Seleccin de entrada (A-U670 solo)
- SOLUCIN DE PROBLEMAS
- ESPECIFICACIONES

Yamaha A-670 Owner's Manual

Pages 47

Year 2015

Language(s)

of 47

Yamaha A-670 Amplifier Specification

The Yamaha A-670 Amplifier is a high-performance, compact integrated amplifier designed to deliver exceptional sound quality for audio enthusiasts. It features a robust design that incorporates advanced Yamaha technology to ensure clarity and precision in sound reproduction. The amplifier supports a power output of 65 watts per channel at 6 ohms, providing ample power for driving a variety of speakers with ease.

The A-670 is equipped with a high-quality digital-to-analog converter (DAC) that supports high-resolution audio formats, facilitating a seamless listening experience with detailed sound. It includes multiple input options, such as digital optical and coaxial inputs, as well as analog inputs, allowing for versatile connectivity with various audio sources. The amplifier also features a USB input for direct connection to PCs and other compatible devices.

In terms of build quality, the Yamaha A-670 boasts an elegant and minimalist design, with a durable aluminum front panel that enhances both aesthetics and durability. The layout is intuitive, with user-friendly controls for easy operation. Additionally, it includes a remote control for convenient access to all functions from a distance.

The amplifier is designed with Yamaha's proprietary ToP-ART (Total Purity Audio Reproduction Technology) architecture, which optimizes sound purity by minimizing distortion and ensuring accurate signal transmission. The inclusion of a high-efficiency power supply further enhances performance by providing stable power delivery.

Overall, the Yamaha A-670 Amplifier combines advanced technology and thoughtful design to offer a superior audio experience, making it an ideal choice for those seeking high-fidelity sound in a compact form factor.

Yamaha A-670 Amplifier F.A.Q.

How do I connect my Yamaha A-670 Amplifier to a Bluetooth device?

To connect a Bluetooth device, ensure the Bluetooth adapter is connected to the amplifier. Activate pairing mode on the adapter and search for it using your device. Select the adapter from the list to establish a connection.

What should I do if my Yamaha A-670 Amplifier is not turning on?

First, check the power cable and ensure it is securely plugged into a working outlet. Verify that the power switch is turned on. If the issue persists, inspect the fuse and replace it if necessary.

How can I reset the Yamaha A-670 Amplifier to factory settings?

To reset the amplifier, turn it off and then press and hold the 'Power' button for about 10 seconds until the display indicates a reset. Release the button to complete the process.

What is the best way to clean and maintain the Yamaha A-670 Amplifier?

Use a soft, dry cloth to clean the exterior. Avoid using chemical cleaners or water. Regularly check and clean any vents or openings to ensure proper airflow.

How can I connect the Yamaha A-670 Amplifier to a TV?

Connect the amplifier to the TV using an RCA cable from the TV's audio output to the amplifier's input. Ensure the correct input source is selected on the amplifier.

Why is there no sound coming from my Yamaha A-670 Amplifier?

Check that all cables are properly connected and the correct input source is selected. Verify that the volume is turned up and not muted. Ensure connected speakers are functioning correctly.

How do I adjust the bass and treble settings on the Yamaha A-670 Amplifier?

Use the 'Bass' and 'Treble' knobs on the front panel of the amplifier to adjust the sound to your preference. Turn the knobs clockwise to increase and counterclockwise to decrease.

Can I use the Yamaha A-670 Amplifier with a turntable?

Yes, you can connect a turntable to the amplifier using the 'Phono' input. Ensure the turntable has a built-in preamp or use an external preamp if necessary.

What should I do if the Yamaha A-670 Amplifier overheats?

Ensure the amplifier is placed in a well-ventilated area and that vents are not blocked. Reduce the volume or power off the device to allow it to cool down.

How can I connect headphones to the Yamaha A-670 Amplifier?

Plug your headphones into the 'Phones' jack located on the front panel of the amplifier. Ensure the volume is adjusted to a comfortable level.