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Yamaha A-S801 Integrated Amplifier

 

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Ex VAT: 540.83

RRP: £799.95

£649.00

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RRP: £799.95

£649.00

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Features

Warranty length 2 Years
Brand Yamaha Audio

Tech Specs

Min RMS Out: (8Ω, 20Hz-kHz) 100+100W (0.019%)
Maximum Power: (4Ω, 1kHz, 0.7%) 160+160W
Dynamic Power: (8/6/4/2Ω), 140/170/220/290W
Damping Factor 240
Frequency Response: 10Hz-100kHz +/-1dB
THD: 20Hz-20kHz, 0.019% (50W/8Ω)
S/N Ratio (CD): 99dB (in shorted, 200mV)
Audio Input / Output: 8 / 2
Digital Input: optical / coaxial
USB Input: Type B
Subwoofer/DC Out: Yes
Pure Direct: Yes
Amp Technology: ToP-ART
CD Direct Amplification: Switchable
Standby Power Consumption: 0.5W
Power Management: Auto Power Standby
Dimensions (WHD): 435 x 152 x 387mm
Weight: 12.1 kg; 26.7 lbs

Product Description

Yamaha A-S801 Integrated Amplifier has a high sound quality ToP-ART circuitry, high stability construction and delivers superior musicality and powerful sound. It fully supports the latest high-resolution sound formats by incorporating advances like USB DAC function.

High Strength Chassis

A-S801 chassis has a double bottom with a 1mm iron plate to effectively dampen the vibrations that adversely affect sound quality. 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 innovations contribute to superior S/N ratio and natural, rich sound reproduction.

ToP-ART concept

ToP-ART Design (Total Purity Audio Reproduction Technology) and ART Base ensure optimum sound processing, transmission of the audio signal is simple and direct reducing the chance of it being affected by noise and distortion. Yamaha’s ToP-ART technology 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

Custom-made power transformer, custom-made block capacitors, two direct signal path speaker relays, one point 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.

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

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 high-frequency 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.

USB DAC Function

This 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.

High-Performance DAC

The DAC used is the ES9010K2M from ESS Technology, selected 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 Inputs

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

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 Terminals

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 & Phono MM

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. 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.

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

Simple yet Sophisticated

With a beautifully simple and unique design inherited directly from Yamaha’s HiFi audio components, these amplifiers also boast an easy-to- 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.

Clean, Simple Design

The clean, simple design of the remote control provides easy-to- 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 Selector

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

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.

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