Amplificator Integrat Yamaha A-S801

  • Amplificator Integrat Yamaha A-S801
  • Amplificator Integrat Yamaha A-S801
  • Amplificator Integrat Yamaha A-S801
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With high sound quality ToP-ART circuitry and high stability construction, this integrated amplifier delivers superior musicality and powerful sound. And by incorporating advances like a USB DAC function, it fully supports the latest high resolution sound formats.


High Strength Chassis Contributes to High Density Sound and High Purity Audio Reproduction

In order to effectively dampen the vibrations that have adverse effects on sound quality, the A-S801 chassis has a double bottom with a 1mm iron plate. In addition, the power transformer and heat sinks in the power amp section are supported by an extremely strong and stable ART (Anti-Resonance and Tough) base. A solid centre bar further enhances high rigidity support and vibration damping. These Yamaha design innovations contribute to superior S/N ratio and natural, rich sound reproduction.

High sound quality circuit design based on the ToP-ART (Total Purity Audio Reproduction Technology) concept

ToP-ART Design and ART Base Ensure Optimum Sound 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 an I/O (input to output) Direct Symmetrical Design, with left and right channels organised in a straight, symmetrical layout for highest signal purity.

High Quality Parts for Outstanding Audio Performance

Custom-made power transformer, custom-made block capacitors, two direct signal path speaker relays, onepoint grounding system, aluminium-extruded heat sinks and other top-quality parts effortlessly handle demanding audio signal conditions. The quality of each individual part, as well as how they work together, basically determines the sound quality of any component. Yamaha uses only very high quality parts, carefully selected and tested.

CD Direct Amplification and Pure Direct Mode for Greater Sound Purity

With a straight connection to the CD input, CD Direct Amplification maximises CD source S/N ratio. Additionally, engaging the Pure Direct mode causes the music signals to travel the shortest possible circuit route, bypassing the buffer amp and the tone, loudness and balance controls to virtually eliminate any signal degradation for the purest sound quality.

Continuously Variable Loudness Control

The A-S801 also feature a new analogue loudness control on the front panel that uses electronic volume for higher sound quality, which lets you adjust the loudness effect as desired. Separate from the overall volume, this controls the balance of the low- and highfrequency sounds, providing full tonal range at any volume level, compensating for the natural loss in the human ear of high and low frequencies at soft levels.

Gold-plated Terminals

Gold-plated terminals ensure a high quality connection that prevents signal loss. the A-S801 have gold-plated speaker terminals and input terminals.

USB DAC Function Supports 2.8MHz/5.6MHz DSD Native Resolution and PCM384kHz/32*bit Reproduction

USB DAC function supports 2.8MHz/5.6MHz DSD native resolution and PCM 384kHz/32-bit* reproduction
A built-in USB DAC function allows direct connection to a PC and reproduction of today's popular high resolution sound sources. The Yamaha-developed USB device controller IC has its own master clock that eliminates PC jitter for high resolution signal transmission. The ASIO2.3 Yamaha Steinberg USB driver achieves lower delay and higher throughput. Offering compatibility with 5.6MHz DSD native reproduction and PCM 384kHz/32-bit PCM reproduction, you can enjoy a wide range of high resolution sound sources for high quality sound. In addition, an indicator on the front panel displays easily understandable DSD and PCM playback formats and sampling frequencies.
* Windows support. Mac support is 24-bit.

Exceptionally High Performance 32-bit D/A Converter

The D/A converter for the A-S801 is the ES9010K2M from ESS Technology, Inc. We selected this after careful examination of all points—not only its high precision processing of 32-bit audio, but also the ability to handle large amounts of audio data with full PCM 384kHz,DSD 5.6MHz native reproduction, strength in the low register, and high quality definition in the high register. Since the built-in D/A converter generates its own master clock, an original Jitter Elimination function is also included, permitting D/A conversion with extremely low impact of clock jitter. Moreover, a 2-channel D/A converter is housed inside the chip, and applies double differential operation. The result is exceptionally high performance and high quality signal output with superior signal-to-noise ratio.

Digital Audio Input for TV and/or Blu-ray Player

The A-S801 equipped for digital audio input with both optical and coaxial terminals. The optical is for receiving audio from a TV, and the coaxial for receiving audio from a Blu-ray player. The audio stays in the digital domain, giving you pure, pristine dynamic sound for all your entertainment sources, from sports and other programs to movies and concerts.

Connection for YBA-11 Bluetooth Wireless Adapter

With the YBA-11, you′ll be able to stream music wirelessly from a Bluetooth capable mobile phone or a PC to the Network receiver. Thanks to the digital connection and aptX® audio coding algorithm, you′ll enjoy wireless music streaming with optimum sound quality. You can also conveniently power the YBA-11 via the DC-out connection on the rear panel of the amplifier.

Speaker A, B or A+B Selection and Speaker Terminals for Two Systems

You can connect two separate speaker systems in different rooms and switch between them, or have them both playing at the same time. There are four terminals, so by just pushing a button, you can switch speakers to match the sound source.

Subwoofer Terminal

A terminal for connecting a subwoofer is provided, allowing you to increase the bass output of your system for a more powerful sound with better overall sound quality.

Phono MM Terminal

You can connect a turntable with an MM phono cartridge to play vinyl records. This lets you enjoy not only CDs, but also analogue record sound from an amp with the latest digital/analogue technology.

Simple yet Sophisticated Design

With a beautifully simple and unique design inherited directly from Yamaha′s HiFi audio components, these amplifiers also boast an easyto- operate button layout. The aluminium front panel has a richly textured silver hairline finish. The control knobs are also of the same luxurious construction as used on our top-end models.

Remote Control with Clean, Simple Design

The clean, simple design of the remote control provides easyto- understand one-hand operation. The easy-to-use design makes it simple to adjust song volume and order. The unit has a sophisticated looking hairline finish that matches the design of the amplifiers. You can also use the remote to control a Yamaha CD player.

Rotary Encoder Input Selector with LEDs

The rotary encoder makes it quick and easy to select input sources. The luxury hairline finish material offers a nice tactile feeling. LEDs clearly show which source is selected, so you can easily switch sources even in a dark room.

Auto Power Standby Function

The amplifier has a power management function that detects when it hasn't been used for a long time (about 8 hours) even though the power is on, and automatically shifts it into standby mode. So even if you forget to turn it off, power consumption will be minimised.



Specificatii Amplificator Integrat Yamaha A-S801

Specificatii Minimum RMS Output Power (8 ohms, 20 Hz-20 kHz) 100 W + 100 W (0.019% THD)
Maximum Power (4 ohms, 1kHz, 0.7% THD, for Europe) 160 W + 160 W
High Dynamic Power/Channel (8/6/4/2 ohms) 140/170/220/290 W
Damping Factor 240
Frequency Response 10 Hz-100 kHz +/-1.0 dB
Total Harmonic Distortion (CD to Sp Out, 20 Hz-20 kHz) 0.019% (50 W/8 ohms)
Signal-to-Noise Ratio (CD) 99dB (input shorted, 200 mV)
Audio In / Out 8 / 2
Digital Input Yes (optical / coaxial)
USB Input Yes (type B)
Subwoofer Out Yes
DC out Yes
Pure Direct Yes
ToP-ART Yes
Switchable CD Direct Amplification Yes
Standby Power Consumption 0.5W
Power Management (Auto Power Standby) Yes
Dimensions (W x H x D) 435 x 152 x 387 mm; 17-1/8” x 6” x 15-1/4”
Weight 12.1 kg; 26.7 lbs.
Tip Echipament Solid State
Yamaha Philosophy

The Yamaha Philosophy expresses the philosophical framework of the Yamaha Group and consists of five elements: the Corporate Slogan, Corporate Philosophy, Customer Experience, Yamaha Way (mindset and manners), and Yamaha Quality (criteria for quality).Three of these, the Corporate slogan, Corporate Philosophy and Customer Experience, describe the Yamaha Group’s reasons for existence, and represent the fundamental principles that form the foundation of the Yamaha Group. In order for Yamaha to achieve this ideal, the Yamaha Way and Yamaha Quality must be adopted and practiced by all employees, and drawn from for daily inspiration and guidance.
Corporate Slogan- The Corporate Slogan is a more concise statement of the Yamaha Philosophy.
Sharing Passion & Performance
Corporate Philosophy- The Yamaha Philosophy defines the reason for Yamaha’s existence as a company and the goals that we seek to achieve through our work together.
With our unique expertise and sensibilities,
gained from our devotion to sound and music,
we are committed to creating
excitement and cultural inspiration
together with people around the world.
Customer Experience- The Customer Experience exemplifies the meaning of “Sharing Passion & Performance” from the customer's viewpoint. When customers experience, use, or own Yamaha products and services they should experience a profound response that will stimulate both their emotions and senses.
Joy
Beauty
Confidence
Discovery
Yamaha Quality- The Yamaha Quality is a set of criteria that supports Yamaha's insistence on quality in products and services and our dedication to excellence in manufacturing. These criteria assist in making the Corporate Philosophy a reality.
Excellence
Authenticity
Innovation
Yamaha Way- The Yamaha Way explains the mindset that all employees of the Yamaha Group should adopt, and the manner in which they should act on a daily basis, in order to put the corporate philosophy into practice.
Stand on Integrity ……… Integrity
Take Proactive Actions ……… Initiative
Go Beyond the Limits ……… Challenge
Stick to the Goals ……… Commitment

The diagram of the Yamaha Philosophy

Embrace Your Will ……… Will
While endeavoring to provide customer satisfaction and contribute to society and culture, be passionate in your work.
Take pride in your work but maintain an attitude of humility, working with integrity to provide craftsmanship and services of the highest quality.
Be proactive in your work; observe, consider, discuss, and act to strengthen individual and team performance.
Don't limit yourself—have the courage to take on new challenges.
Demonstrate the creativity and fortitude required to ensure your commitments are met.

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