Yamaha A-S700 User Manual download pdf (Page 2)

Gold-Plated Input Terminals

The A-S700 uses high-grade gold-plated input

terminals that provide a secure connection and

ensure high quality signal transmission.

Aluminum Front Panel

The aluminum front panel provides a elegant

look and helps to improve sonic performance.

The volume and input selector knobs are also

crafted of aluminum for a solid feel.

ADVANCED FEATURES

Continuously Variable Loudness Control

and Bass/Treble/Balance Controls

With this control, the midrange frequencies are

attenuated over a continuously varying, level-

dependent curve,

instead of a fixed

level of low and

high frequency

boost as in

conventional

loudness controls.

The

bass/treble/balance

controls are

continuously

variable, so they

can offer smooth and accurate tonal response

control over a wide range. And, with the controls

set to their center positions, you have a flat

tonal balance, with no influence on the original

sound.

Rec Out Selector

Rec Out Selector lets you easily and simply listen

to one source while recording another, for even

more convenience and flexibility in your multi-

component system.

Other Notable Features

• Remote controllable motor-driven volume

control

• Rotary-encoder input selector with LED

• Speaker A, B or A+B selection

• Detachable AC power cable

• 0.1W standby power consumption

• System remote unit

Integrated Amplifier

A-S700

NEW PRODUCT BULLETIN

Technical Data 2

HIGH SOUND QUALITY

Designed to Convey Genuine Musical

Expressiveness

The A-S700 has inherited the Natural Sound

concept of the A-S2000 and the A-S1000 Series:

By pursuing the reality of musical instruments and

the human voice without adding extra seasoning to

the music, convey the thoughts of the musician or

recording engineer. Expressing the reality of

musical instruments is the foundation of Natural

Sound that only a musical instrument manufacturer

can achieve.

The A-S700 was tuned with three objectives:

to naturally produce the harmonic constituents of

violins and other high frequency instruments, to

express the rich texture of the human voice and

guitars and other midrange instruments, and to

prevent the bass of kick drums or orchestra from

losing its deep feeling and weightiness. By

achieving these three objectives, that is by focusing

on faithfully reproducing musical expressiveness,

the A-S700 fully conveys not only the clarity, but

also the joy of music.

ToP-ART (Total Purity Audio

Reproduction Technology)

When processing and transmission of the audio

signal is simple and direct there is less chance of it

being affected by noise and distortion. Yamaha’s

amplifier design technology called ToP-ART features

I/O (input to output) Direct Symmetrical Design,

with left and right channels organized in a straight,

symmetrical layout for highest signal purity.

Advanced Yamaha audio technology and

component parts give the A-S700 the winning edge

in audio performance. For signal purity, Yamaha’s

I/O (input to output) direct symmetrical design

organizes the left and right channel circuitry in a

symmetrical layout. Custom-made power

transformer, custom-made block capacitors, two

direct signal path speaker relays, one-point

grounding system, aluminum-extruded heat sinks

and other top-quality parts effortlessly handle

demanding audio signal conditions. High-rigidity

support and vibration damping are provided by a

solid center bar and Yamaha’s ART (Anti-Resonance

and Tough) Base bottom chassis.

Pure Direct

When this switch engaged, the signal bypasses the

tone, loudness, balance controls, and other circuit,

being fed directly to the discrete power amplifier. It

travels in a straight line from the volume control,

through the high-gain short, direct path is

maximum signal purity.

CD Direct

Amplification

Engaged by a front panel switch, it matches CD

signal levels so each stage produces less noise,

resulting in improved S/N ratio and maintenance of

the amp’s total gain balance.

High Dynamic Power, Low-Impedance

Drive Capability

The A-S700 is capable of delivering large amounts

of reserve power for accurate reproduction of high

energy peaks. This emphasizes the music’s dynamic

qualities and provides a sharper sound image.

Bass/Treble

Volume

Loudness

Balance

To Power Amp

Tuner, etc.

Input Selector

Pure Direct

CD Direct Amp

-10

-20

-30

-40

20 50 100 200 500 1k 2k 5k 10k 20k

Response (dB)

Frequency (Hz)

Rear panel is depending on areas. Banana-plug compatible speaker terminals are not available in some areas.

An original Yamaha feature,

Continuously variable loudness Control

maintains natural tonal balance as the

volume is reduced.

A-S700 Extensive Connection Panel

Pure Direct / CD Direct Amplification Block Diagram

I/O (input to output) direct

symmetrical design with center bar

(top), ART (Anti-Resonance and

tough) Base (left bottom), quality

parts including one-point grounding

system (right top), custom-made

power transformer (right center) and

custom-made block capacitors (right

bottom)

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Yamaha A-S700 User Manual Page 2

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