Technics SU-GX70 Manuel utilisateur

Operating Instructions

Network Audio Amplifier

SU-GX70

Music is borderless and timeless, touching people’s

hearts across cultures and generations.

Each day the discovery of a truly emotive experience

from an unencountered sound awaits.

Let us take you on your journey to rediscover music.

Delivering the Ultimate Emotive Musical

Experience to All

At Technics we understand that the listening experience is not

purely about technology but the magical and emotional relationship

between people and music.

We want people to experience music as it was originally intended

and enable them to feel the emotional impact that enthuses and

delights them.

Through delivering this experience we want to support the

development and enjoyment of the world’s many musical cultures.

This is our philosophy.

With a combination of our love of music and the vast high-

end audio experience of the Technics team, we stand committed

to building a brand that provides the ultimate emotive musical

experience by music lovers, for music lovers.

Director

Michiko Ogawa

Thank you for purchasing this product.

Please read these instructions carefully before using

this product, and save this manual for future use.

•About descriptions in these operating instructions

Pages to be referred to are indicated as “⇒○○”.

The illustrations shown may differ from your

unit.

Unless otherwise indicated, operations are

described using the remote control.

•Illustrations and figures in this manual are of the

silver main body.

Sales and Support Information

Customer Communications Centre

•For customers within the UK: 0333 222 8777

•For customers within Ireland: 01 447 5229

•Monday–Friday 9:00 am – 5:00 pm, (Excluding

public holidays).

•For further support on your product, please visit

our website: www.technics.com/uk/

Features

Unique full-digital amplifier

reproducing digital signals with

high quality sound

Equipped with a unique full-digital integrated

amplifier, this unit reproduces digital signals

of music streaming, etc. with high purity

by eliminating the influence of jitter and

noise. The TV sound can also be reproduced

clearly by applying the high-quality sound

reproduction technology accumulated by

Technics to HDMI ARC.

Introducing the circuits of upper

models to pursue uncompromised

sound quality

This unit lavishly introduces the high-quality

sound technology such as low-noise power

circuits adopted for upper models of Technics

components and high-grade parts of PHONO

equaliser/LINE IN circuits.

In addition, equipped with the Pure

Amplification mode that reproduces higher

quality sound by disabling the network and

HDMI circuits to solely operate the amplifier

function, this unit pursues uncompromised

sound quality.

Realising high connectivity,

easiness in installation, and high

build quality

Equipped with a wealth of network functions

such as Wi-Fi®, Bluetooth®, and AirPlay 2,

this unit supports a variety of online music

streaming services as well as music sources

such as HDMI ARC function, digital/analogue

input and radio. The high rigidity chassis in

compact size enables easy installation to a

rack.

Table of contents

Read first 07

Please carefully read the “Safety precautions”

of this manual before use.

Control reference guide 16

This unit, Remote control

Connections 23

AC mains lead connection, Network settings

Operations 38

Playback of connected device/equipment,

music streaming services, etc.

Settings 94

Sound adjustment, Other settings

Others 111

Troubleshooting, Specifications, etc.

Accessories

AC mains lead (1)

K2CM3YY00041

Except for Switzerland

K2CS3YY00048

For Switzerland

K2CT3YY00081

For the United Kingdom and Ireland

DAB antenna (1)

N1EYYY000015

Remote control (1)

N2QAYA000239

Batteries for remote control (2)

•Product numbers provided in these operating

instructions are correct as of February 2023.

•These may be subject to change.

•Do not use AC mains lead with other equipment.

Read first

Safety precautions............................... 08

Warning.................................................... 08

Caution..................................................... 08

Installation ........................................... 14

Installation ................................................ 14

Unit care ................................................... 14

Using “Technics Audio Center”.................. 14

Firmware updates ......................................15

To restore all the settings to the factory

defaults......................................................15

To dispose of or transfer this unit ...............15

Network services........................................15

Table of contents ... 05

Read first

Safety precautions

(Continued)

Warning

Unit

•To reduce the risk of fire, electric shock or product

damage,

Do not expose this unit to rain, moisture,

dripping or splashing.

Do not place objects filled with liquids, such as

vases, on this unit.

Use the recommended accessories.

Do not remove covers.

Do not repair this unit by yourself. Refer

servicing to qualified service personnel.

Do not let metal objects fall inside this unit.

Do not place heavy items on this unit.

AC mains lead

•To reduce the risk of fire, electric shock or product

damage,

Ensure that the power supply voltage

corresponds to the voltage printed on this unit.

Insert the mains plug fully into the socket outlet.

Do not pull, bend, or place heavy items on the

lead.

Do not handle the plug with wet hands.

Hold onto the mains plug body when

disconnecting the plug.

Do not use a damaged mains plug or socket

outlet.

•The mains plug is the disconnecting device.

Install this unit so that the mains plug can be

unplugged from the socket outlet immediately.

•Ensure the earth pin on the mains plug is securely

connected to prevent electrical shock.

An apparatus with CLASS I construction shall

be connected to a mains socket outlet with a

protective earth connection.

Caution

Unit

•Do not place sources of naked flames, such as

lighted candles, on this unit.

•This unit may receive radio interference caused by

mobile telephones during use. If such interference

occurs, please increase separation between this

unit and the mobile telephone.

•This unit is intended for use in moderate and

tropical climates.

•Do not put any objects on this unit. This unit

becomes hot while it is on.

(Continued)

Placement

•Place this unit on an even surface.

•To reduce the risk of fire, electric shock or product

damage,

Do not install or place this unit in a bookcase,

built-in cabinet or in another confined space.

Ensure this unit is well ventilated.

Do not obstruct this unit’s ventilation openings

with newspapers, tablecloths, curtains, and

similar items.

Do not expose this unit to direct sunlight, high

temperatures, high humidity, and excessive

vibration.

•Do not lift or carry this unit by holding the knobs

or antenna. Doing so may cause this unit to fall,

resulting in personal injury or malfunction of this

unit.

Battery

•Danger of explosion if battery is incorrectly

replaced. Replace only with the type

recommended by the manufacturer.

•Mishandling of batteries can cause electrolyte

leakage and may cause a fire.

Remove the battery if you do not intend to use

the remote control for a long period of time.

Store in a cool, dark place.

Do not heat or expose to flame.

Do not leave the battery(ies) in a car exposed

to direct sunlight for a long period of time with

doors and windows closed.

Do not take apart or short circuit.

Do not recharge alkaline or manganese

batteries.

Do not use batteries if the covering has been

peeled off.

Do not mix old and new batteries or different

types at the same time.

•When disposing of the batteries, please contact

your local authorities or dealer and ask for the

correct method of disposal.

•Avoid the use in the following conditions

High or low extreme temperatures during use,

storage or transportation.

Replacement of a battery with an incorrect type.

Disposal of a battery into fire or a hot oven, or

mechanically crushing or cutting of a battery,

that can result in an explosion.

Extremely high temperature and/or extremely

low air pressure that can result in an explosion

or the leakage of flammable liquid or gas.

(Continued)

Caution for AC Mains Lead

(For the AC mains plug of three pins)

For your safety, please read the following text

carefully.

This appliance is supplied with a moulded three pin

mains plug for your safety and convenience.

A 10-ampere fuse is fitted in this plug.

Should the fuse need to be replaced please ensure

that the replacement fuse has a rating of 10-ampere

and that it is approved by ASTA or BSI to BS1362.

Check for the ASTA mark or the BSI mark on

the body of the fuse.

If the plug contains a removable fuse cover you

must ensure that it is refitted when the fuse is

replaced.

If you lose the fuse cover the plug must not be used

until a replacement cover is obtained.

A replacement fuse cover can be purchased from

your local dealer.

Before use

Remove the connector cover.

How to replace the fuse

The location of the fuse differ according to the type

of AC mains plug (figures A and B). Confirm the AC

mains plug fitted and follow the instructions below.

Illustrations may differ from actual AC mains plug.

1. Open the fuse cover with a screwdriver.

Figure A Figure B

Fuse cover

2.Replace the fuse and close or attach the fuse

cover.

Figure A Figure B

Fuse

(10 ampere)

Fuse

(10 ampere)

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