English

 

 

INPUT

PHONO

MC

SELECTOR

 

 

HEAD AMP

 

 

EQ AMP

 

CD

MM/MC

BUFFER AMP

 

TUNER

LINE1

LINE2 PB

LINE2 REC

BUFFER AMP

PRE OUT

MAIN IN

VOLUME & TONE CONTROL

ATT. 1

 

TONE CONTROL DEVICES

 

ATT. 2

HOT

 

FLAT

 

ATT. 3

 

BALANCE ⇐⇒UNBALANCE

CONVERTER

 

COLD

 

FLOATING BALANCE

 

POWER AMPLIFIER

 

DRIVER

PHASE) SIDE

DIRECT

SPEAKER

HOT (POSITIVE

MAIN

 

 

 

SPEAKER DRIVER

COLD (NEGATIVE PHASE) SIDE

SP A L CH

SP B L CH

SPEAKERS L CH

+

A

+

B

to POWER AMP

R CH

PHONES

21 En

Block diagram

PROTECTIONCONTROL

COM

 

TREBLE

INPUT SEL

BASS

BALANCE

VOLUME

REMOTE

FRONT PANEL

 

 

 

 

 

 

 

HEADPHONE AMP

 

 

 

 

 

BALANCE ⇐⇒ UNBALANCE

 

 

 

 

 

 

 

CONVERTER

 

 

AMPMCfor

AMPEQfor

AMP1LINEfor

AMP2LINEfor

VOLUME1for

VOLUME2for

MAIN TRANSFORMER

INDEPENDENT FLOATING

 

POWER SUPPLY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

L CH

 

INDEPENDENT REGULATED POWER SUPPLY (for AUDIO)

 

for HOT

 

 

 

 

 

 

 

 

 

 

L CH

SUB TRANSFORMER

 

 

 

 

for COLD

 

 

 

 

 

 

 

COM

 

 

 

(for POWER AMP / VOLTAGE AMP STAGE)

 

R CH

 

 

 

 

 

 

 

 

 

POWER SWITCH

 

 

for

 

 

 

 

 

 

for HOT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R CH

 

 

 

 

 

 

 

for COLD

Page 21
Image 21
Yamaha A-S1000 owner manual 21 En, Block diagram

A-S1000 specifications

The Yamaha A-S1000 is a dedicated integrated amplifier that embodies exceptional craftsmanship, advanced technology, and an undying commitment to audio fidelity. Designed to cater to audiophiles, the A-S1000 combines vintage aesthetics with contemporary features, making it an attractive addition to any hi-fi setup.

One of the standout features of the A-S1000 is its robust power output. With a total of 90 watts per channel at 8 ohms, it delivers a dynamic range that can effortlessly drive a variety of speakers. This power is balanced with the amplifier’s high-current capability, ensuring that even the most demanding musical passages are reproduced accurately without distortion. The A-S1000's high-efficiency design ensures minimal energy loss, further enhancing its performance.

The amplifier also incorporates Yamaha’s exclusive ToP-ART (Total Purity Audio Reproduction Technology), which prioritizes the signal path to maintain audio integrity. This technology leverages a separate power supply layout for the left and right channels, effectively minimizing interference and delivering a cleaner, more detailed soundstage. Users can experience the subtle nuances of their favorite records, with a level of clarity that highlights the artistry of the music.

Another notable characteristic is the A-S1000’s high-quality components. The amplifier features a high-damping factor, which means better control over speaker motion, resulting in cleaner bass response and a more coherent sound. Furthermore, its premium-grade capacitors and heavy-duty construction contribute to its stability and longevity.

For connectivity, the A-S1000 is well-equipped with a range of inputs including phono, line, and digital sources. The inclusion of a dedicated phono stage allows vinyl enthusiasts to connect their turntables directly, enjoying the warm, rich sound that analog records provide. Additionally, the model supports pure direct mode, which bypasses unnecessary circuitry for a more direct signal, catering to audiophiles seeking the purest listening experience.

The A-S1000 also sports a beautifully designed aluminum front panel, which not only adds a touch of elegance but also enhances durability. The large, graduated knobs and clear display make operation intuitive, allowing users to adjust settings with precision.

In summary, the Yamaha A-S1000 is a quintessential integrated amplifier that merges powerful performance with aesthetic appeal. Its commitment to sound quality, combined with innovative technologies and versatile connectivity options, positions it as a worthy choice for anyone serious about high-fidelity audio. Whether powering a home theater system or a dedicated two-channel setup, the A-S1000 delivers an immersive listening experience that honors the true essence of music.