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YAMAHA A-S801

Yamaha's first pre-main amplifier with USB DAC functionality, the A-S801. The most important thing about the A-S801 is the thrilling session between the state-of-the-art USB DAC, which incorporates ESS Technology's SABRE32 high-performance D/A converter, and traditional analog audio technology symbolized by the linear damping circuit and the "ToP-ART" concept. We want to provide lasting value that cannot be imitated by trendy digital gadgets, so that our customers can enjoy the cutting-edge listening experience of USB DAC functionality in a full-size pre-main system. This is the reason why we have created this product, with its sonic dignity, spacious 152 mm high chassis, and traditional feel.

High-grade USB DAC function supporting DSD 5.6MHz native & PCM 384kHz

High-grade USB DAC functionality that employs the "SABRE 32" (ES9010K2M) 32-bit, 2-channel high-performance D/A converter manufactured by ESS Technology, Inc. of the U.S., Yamaha's original USB device controller, and the latest audio interface standard "ASIO2.3"-compliant Yamaha Steinberg The high-grade USB DAC functionality, which employs Yamaha's original USB device controller and Yamaha Steinberg drivers compliant with the latest ASIO 2.3 audio interface standard, supports DSD 5.6MHz (DSD128) native playback and 384kHz/32bit* playback, enabling high-resolution sound source playback at its original quality. A 6-point LED digital signal indicator on the front panel indicates the digital signal format and sampling frequency being played.

* Only for input from a Windows PC to the USB port; up to 24-bit is supported on a Mac.

Yamaha's traditional pure audio design concept aiming to be faithful to the music signal flow = <Top Art

"ToP-ART" (Total Purity Audio Reproduction Technology) is a circuit layout that focuses on symmetrical (left-right symmetrical construction) and direct (straightening and shortening the signal path). The combination of a layout that focuses on symmetrical (left-right symmetrical construction) and direct (straightening and minimizing signal paths) circuits and a vibration-damping and high-rigidity chassis equipped with a unique special resin frame "Art Base" that absorbs and shuts out unwanted vibrations, is the sum total of Yamaha's traditional pure audio design concept that aims to ensure the environment inside the equipment is always faithful to the flow of music signals. This is the generic name for Yamaha's traditional pure audio design philosophy. It protects the purity of the music signal and accurate stereo image, and produces unwavering drivability (speaker driving force).

Powerful power amplifier based on the "ToP-ART" concept

The power amplifier block is designed with a symmetrical and direct circuit layout based on the "ToP-ART" concept, and a highly rigid and vibration-damping design that combines a unique art base and steel frame. The power amplifier block is a parallel push-pull configuration with a rated output of 100W x 2. The power amplifier block is a parallel push-pull configuration with a rated output of 100 W × 2. A low impedance circuit design emphasizing driving power, a custom-made power transformer with a stand-alone mass of 5 kg, and a large-capacity power supply with a large block chemicon carefully selected through hearings, demonstrate outstanding drivability.

CD direct amplifier & pure direct switch for sound purity

The "Pure Direct Switch" improves sound quality at all inputs by bypassing the tone/loudness/balance controls and the rear stage buffer amplifier. In addition, Yamaha's unique "CD Direct Amplifier," which directly connects the CD input terminal to the volume (volume control) via a differential amplification buffer amplifier, cancels distortion and noise generated in the signal path to improve sound quality. Both of these features enhance the purity of the sound and allow you to enjoy the subtle nuances of music.

Optical/Coaxial Digital Input with 192kHz/24bit Support

The unit is equipped with optical and coaxial digital audio inputs that support up to 192 kHz/24-bit, making it easy to enhance the sound quality of various sources by connecting the digital audio outputs of CD/DVD players and other audio equipment, as well as TVs, video game consoles, PCs, and other devices used alongside the audio system. You can easily enhance the sound quality of a variety of sources.

Other Functions and Features

Six analog audio input terminals including Phono (MM) - Continuous loudness that enables more precise aural correction according to the volume setting - Low noise and low impedance design - Gold-plated RCA terminals (all terminals) - Large speaker terminals for secure connection of even thick speaker cables Gold-plated terminals (all terminals) - Inlet-type power cable (high-quality sound OFC type) - Auto power standby to prevent forgetting to turn off the power - Output terminal for subwoofer - System remote control for operating Yamaha CD players and tuners included

Main Specifications

Rated Output Dynamic Power (IHF) 8Ω6Ω4Ω2ΩPractical Maximum Output (JEITA) Output Bandwidth Damping Factor Maximum Allowable Input Rated Output Voltage/Output Impedance Frequency Response RIAA Equalizer Deviation Total Harmonic Distortion Ratio S/N Ratio (IHF-A Network) Residual Noise (IHF-A (Network) Input Sensitivity/Input ImpedanceHeadphone Rated Output (1kHz, 32Ω, 0.2% THD)Channel SeparationTone Control CharacteristicsBASSTREBLE Input TerminalOutput TerminalPower ConsumptionStandby PowerDimensions (W x H x D)MassAccessories

Main Specifications

Rated output 100W+100W/8Ω (20Hz-20kHz, 0.019% THD), 120W+120W/6Ω (20Hz-20kHz, 0.038% THD)

Dynamic power (IHF) 8Ω 140W

6Ω 170W

4Ω 220W

2Ω 290W

Maximum practical output (JEITA) 145W/8Ω (1kHz, 10% THD), 170W/6Ω (1kHz, 10% THD)

Output bandwidth 10Hz to 50kHz (MAIN L/R operation, 0.04% THD, 50W, 8Ω)

Damping factor 240 or better (1kHz, 8Ω)

Maximum allowable input PHONO MM: 45mV (1kHz 0.03% THD), CD etc.: 2.2V (1kHz 0.5% THD)

Rated output voltage/output impedance REC OUT: 200mV/1.0kΩ or less, Subwoofer OUT: 3.5V/1.2kΩ (cutoff frequency: 100Hz)

Frequency Response CD etc.: 0±0.5dB (20 to 20kHz), CD etc. Pure DIRECT ON: 0±1.0dB (10Hz to 100kHz)

RIAA equalizer deviation PHONO MM: ±0.5dB

Total harmonic distortion PHONO MM to REC OUT: 0.03% or less (20Hz to 20kHz 2.5V), CD etc. to SP OUT: 0.019% or less (20Hz to 20kHz 50W/8Ω)

S/N ratio (IHF-A network) PHONO MM: 82dB or better (5mV, input shorted), CD etc. Pure DIRECT ON: 99dB or better (200mV, input shorted), CD DIRECT ON: 104dB or better

Residual noise (IHF-A network) 40μV

Input sensitivity/input impedance PHONO MM: 3.0mV/47kΩ, CD, etc.: 200mV/47kΩ

Headphone Rated Output (1kHz, 32Ω, 0.2% THD) CD etc.: 470mV/470Ω (1kHz, 200mV, 8Ω)

Channel separation CD etc.: 65dB or better (input, 5.1kΩ shorted, 1kHz), CD etc.: 50dB or better (input, 5.1kΩ shorted, 10kHz)

Tone control characteristics BASS Boost/Cut 20Hz: ±10dB, Turnover frequency: 400Hz

TREBLE Boost/Cut 20kHz: ±10dB, turnover frequency: 3.5kHz

Input terminals: 9 (CD 1, tuner 1, line 3, phono [MM] 1, optical digital 1, coaxial digital 1, USB<Type B> 1)

5 outputs (Rec Out 2, Subwoofer 1, Headphone 1, DC Out 1)

Power consumption 270W

Standby power 0.5W

Dimensions (W x H x D) 435W x 152H x 387Dmm

Weight 12.1kg

Accessories Remote control, power cord (1.5m), operation manual

Shipping

Handling time is based on our shipping policy.

We will do our best to ship fast and ship your item very carefully.

Estimated arrival date:

EMS :1-3 weeks 

DHL :1-2 weeks 

UPS:1-2 weeks 

Fedex:1-2 weeks 

Due to Japanese Post Service delay, estimated arrival time can be delay. Please understand it. Depends on custom in your country also. So if it is late please contact local post office or carrier with tracking number .

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