Yamaha AS1000 - Amplifier Manuale utente

UCAB

Stereo Amplifier

Amplificateur Stéréo

OWNER’S MANUAL

MODE D’EMPLOI

HiFi Began with Yamaha

Yamaha’s involvement with and passion for music goes back

more than a century, to when we built our first reed organ in

1887. Now we are the world’s leading producer of pianos and

other musical instruments, and are involved with music in many

other ways as well. We manufacture professional recording

equipment, we design concert halls and we assist artists at

concerts with set up and sound tuning.

This knowledge and experience benefits our production of

audio components in many ways. We introduced our first HiFi

(High Fidelity) turntable in 1955. Thereafter we were one of the first

to offer mass-produced, high quality audio equipment,

and introduced many legendary stereo components.

We hope you enjoy the genuine HiFi experience of

Yamaha Natural Sound.

CA-1000NS-20

NS-1000M

NS-10M

GT-2000

C-2

NS-690

B-1

B-6

GT-CD1AX-2000

Soavo-2Soavo-1

PX-1

Excellence in Audio Achievement

1922: We introduced a high-quality hand-

wound phonograph.

Since 1955, we have released many HiFi

components, including turntables, tuners,

integrated amplifiers, control amplifiers,

power amplifiers and speakers.

NS-20 Monitor Speaker

CA-1000 Integrated Amplifier

Featuring A-Class operation, the CA-1000 set

the standard for integrated amplifiers.

NS-690 Monitor Speaker

NS-1000M Monitor Speaker

A truly legendary speaker still revered by HiFi enthusiasts

B-1 Power Amplifier

An innovative power amp that used FETs in all stages

C-2 Control Amplifier

Received top prize at the Milan International Music

and HiFi Show.

NS-10M Studio Monitor Speaker

Became of the most popular studio monitors in the world.

A-1 Integrated Amplifier

PX-1 Turntable

Yamaha’s first linear tracking turntable

B-6 Power Amplifier

Pyramid-shaped power amplifier with X power supply and

X amplifier

GT-2000/L Turntable

Ultra-precise heavyweight player embodying GT concept

CD-1 CD Player

First CD Player introduced in 1983

B-2x Power Amplifier

MX-10000 Power Amplifier and

CX-10000 Control Amplifier

Amplifier that redefined the capabilities of separate

components

100th anniversary model

AX-2000 Integrated Amplifier

High S/N ratio (128 dB), digital direct function equipped

GT-CD1 CD Player

Top-loading type player with integrated separate structure

MX-1 Power Amplifier and CX-1 Control

Amplifier

Soavo-1 and Soavo-2 Natural Sound

Speaker Systems

A-S2000 Stereo Amplifier and

CD-S2000 Super Audio CD Player

A-S1000 Stereo Amplifier and

CD-S1000 Super Audio CD Player

4En

◆Floating balanced circuit design

The perfectly symmetrical, fully new floating balanced power amplifier maximizes the performance of the analog

amplifier.

◆Parallel volume and tone control

◆Four independent high capacity power supplies

◆Horizontally symmetrical structure

◆Phono amplifier with fully discrete structure

◆Newly developed heavyweight feet to suppress vibrations

■Supplied accessories

Please check that you have received all of the following parts.

• Remote control

• Batteries (AA, R6, UM-3) (u2)

• Power cable

• Safety brochure

■About this manual

•yindicates a tip for your operation.

• This manual is printed prior to production. Design and specifications are subject to change in part as a result of improvements, etc. In

case of differences between the manual and the product, the product has priority.

• The color of images in this manual may vary from the original.

• Read the “Safety brochure” before using this unit.

Contents

Controls and functions.......................................................................................................................................... 6

Connections.......................................................................................................................................................... 14

Specifications ....................................................................................................................................................... 20

Troubleshooting................................................................................................................................................... 24

5En

Controls and functions

In this chapter, you will learn the controls and functions of A-S1000.

6En

Controls and functions

■Front panel (left side)

1POWER

Press upward or downward to turn on or off this unit.

The POWER indicator above lights up when this unit is turned

on.

• If the POWER indicator flashes when you turn on this unit,

disconnect the power cable and refer to the troubleshooting

section (page 24).

• When you turn on this unit, there will be a few second delay

before this unit can reproduce sound.

2Remote control sensor

Receives signals from the remote control.

The remote control transmits a directional infrared beam. Be sure

to aim the remote control directly at the remote control sensor on

the front panel of this unit during operation.

SPEAKERSPHONESPOWER

OFF

ON ABA+B

BI-WIRING

OFF

BASS

4132

Notes

3030 Within 6 m (20 ft)

7En

3PHONES jack

Outputs audio for private listening with headphones.

When headphones are plugged in:

– Both speaker sets connected to the SPEAKERS L/R CH A

and B terminals are turned off.

– No signals are output at the PRE OUT jacks, while signals are

output at the REC jacks.

– You cannot select MAIN DIRECT as the input source.

– If headphones are plugged into the PHONES jack while

MAIN DIRECT is selected as the input source, no audio is

output at the PHONES jack. Use the headphones jack of the

preamplifier connected to the MAIN IN jacks.

4SPEAKERS

Turns on or off the speaker set connected to the

SPEAKERS L/R CH A and/or B terminals on the rear

panel.

• Switch to the OFF position to turn off both speaker

sets.

• Switch to the A or B position to turn on the speaker set

connected to the SPEAKERS L/R CH A or B

terminals.

• Switch to the A+B BI-WIRING position to turn on

both speaker sets.

If you use two sets (A and B), the impedance of each speaker

must be 8 :or higher. When only using one set of speakers (A or

B), use speakers with an impedance of 4 :or higher.

BALANCE

VOLUMEINPUT

TREBLE

MAIN DIRECT

LINE 2

LINE 1 CD TUNER

PHONO

AUDIO MUTE

RL+

Note

Caution

English

8En

Controls and functions

■Front panel (right side)

5BASS

Increases or decreases the low frequency response. The

center position produces a flat response.

Control range: –9 dB to +9 dB

6TREBLE

Increases or decreases the high frequency response. The

center position produces a flat response.

Control range: –9 dB to +9 dB

When both the BASS and TREBLE controls are set to the center

position, audio signal bypasses the tone control circuitry.

The BASS and TREBLE controls do not affect the signals input

at the MAIN IN jacks (INPUT selector: MAIN DIRECT) and

signals output at the REC OUT jacks.

7BALANCE

Adjusts the audio output balance of the left and right

speakers to compensate for sound imbalances caused by

speaker locations or listening room conditions.

The BALANCE control does not affect the signals input at the

MAIN IN jacks (INPUT selector: MAIN DIRECT) and signals

output at the REC OUT jacks.

SPEAKERSPHONESPOWER

OFF

ON ABA+B

BI-WIRING

OFF

BASS

Note

9En

8INPUT selector

Selects the input source you want to listen to.

The audio signals of the selected input source are also

output at the REC jacks.

• The input source names correspond to the names of the

connection jacks on the rear panel.

• Switch to the MAIN DIRECT position to select the component

connected to the MAIN IN jacks. When MAIN DIRECT is

selected as the input source, no signals are output at the PRE

OUT, REC, and PHONES jacks.

• The input setting is retained for about 1 week after the power is

turned off.

The audio signals are not output at the REC jacks while LINE2 is

selected as the input source.

9AUDIO MUTE

Press downward to reduce the current volume level by

approximately 20 dB. Press again to restore the audio

output to the previous volume level.

• The AUDIO MUTE indicator lights up while the mute function

is on.

• You can also rotate VOLUME on the front panel or press

VOL +/– on the remote control to resume the audio output.

0VOLUME

Controls the volume level. This does not affect the REC

level.

The VOLUME control does not affect when you select MAIN

DIRECT as the input source. Adjust the volume level using the

volume control on the preamplifier connected to the MAIN IN

jacks.

BALANCE

VOLUMEINPUT

TREBLE

MAIN DIRECT

LINE 2

LINE 1 CD TUNER

PHONO

AUDIO MUTE

RL+

09876

Note Note

English

10 En

Controls and functions

■Rear panel

1SPEAKERS L/R CH terminals

2INPUT jacks

3LINE2 jacks

4MAIN IN jacks

Adjust the volume level using the volume control on the

preamplifier connected to the MAIN IN jacks when you select

MAIN DIRECT as the input source.

5PRE OUT jacks

• When you connect audio pin plugs to the PRE OUT jacks to

drive the speakers using an external amplifier, it is not

necessary to use the SPEAKERS L/R CH terminals.

• The signal output at the PRE OUT jacks are affected by the

BASS and TREBLE settings.

• The PRE OUT jacks output the same channel signal as the

SPEAKERS L/R CH terminals.

• When you use a subwoofer, connect it to the PRE OUT jacks

and speakers to the SPEAKERS L/R CH terminals.

LINE2

RECPBLINE 1TUNER

GND

PHONO

INPUT

SPEAKERS R CH

MCMM

123

See page 14 for connection information.

Note

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