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CEDIA EXPO 2014 Show Report ( Custom Electronic Design and Installation Association)
Custom Electronic Design and Installation Association

Yamaha A-S801, A-S701, A-S501 And A-S301 Stereo Receivers
Yamaha A-S801 Stereo Receiver With USB Hi-Res Audio InputYamaha's four new stereo integrated amplifiers that include the company's longstanding "Natural Sound" in hi-fi. The new model lineup includes the top line A-S801, A-S701, A-S501 and entry level A-S301 ($999.95, $899.95, $599.95 and $399.95 respectively). All models include digital audio connections for a HDTV or Blu-ray disc player and the top line model has a USB DAC function that supports high resolution audio. These new models reflect the company's experience and expertise in all aspects of music— from musical instruments to live production gear—and deliver premium, high quality audio reproduction of studio and live performances as the artists intended them to be heard.

Each model in the line is crafted with Yamaha’s proprietary ToP-ART (Total Purity Audio Reproduction Technology) concept that places the right and left channels in a symmetrical design. They also have an anti-resonance base, while the top three have a solid center bar that deters vibration and extraneous noise and distortion. Yamaha's top two models in the line offer CD Direct Amplification that maximizes the signal-to-noise ratio of CD sources. Pure Direct aid in maximizing signal quality by enabling the audio signal to travel the shortest possible route—bypassing the buffer amplifier and the tone, loudness and balance controls. A Continuously Variable Loudness Control maintains the full tonal range of music, which can be beneficial at low volume levels. All models are compatible with Yamaha's optional YBA-11 Bluetooth wireless adapter that enables users to stream music from compatible mobile devices and computers.

Yamaha A-S801

The A-S801 enables the playback of high-resolution music files via its built-in USB DAC function. In addition, it has a high performance ESS Technology SABRE32 Premier Stereo DAC and double-bottom chassis for the reduction of distortion-causing vibration. The A-S801 and A-S701 features gold plated terminals for speakers and for all input sources while the A-S501 features gold plated speaker, CD and phono terminals. The Yamaha A-S801 (pictured here) produces 100 wpc stereo and the USB DAC function supports native DSD resolutions (2.8 MHz / 5.6 MHz) and PCM 384kHz/32-bit via the ESS Technology 32-bit DAC ES9010K2M. For the power supply, it uses a custom made transformer and 12,000 µF block capacitors.

"The clear resurgence of hi-fi is evidenced by our consumer research, as well as the rise of lossless music formats and the fast expanding catalogs of high resolution audio content being made available," said Bob Goedken, general manager of Yamaha's AV Division in the USA. "These new amps provide the best audio experiences to Hi-Fi consumers without breaking the bank."


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