Description
The AMP needs to be repaired as one channel is working intermittently -Yamaha RX-A870 AV Receiver - Product Description The Yamaha RX-A870 AV Receiver is part of Yamahas Aventage range and has been commended for its brilliant blend of durability in construction and impressive performance in regards to wide-ranging and detailed sound. The RX-A870 is a 7.2 channel receiver that boasts anti-resonance technology, Bluetooth connectivity, and the ability to connect to your home network through Yamahas innovative MusicCast technology. The RX-A870 and all other products in this series have been based on the audio design concept of providing full-bodied and accurate sound when it comes to movie sound effects and music scores. Construction Expert harmonisation of traditional and advanced technologies allows every factor that affects the sound quality, be it from the materials and parts used in construction, to the layout, vibration damping and the fine tuning of the sound, to be handled expertly with the sole intention of achieving only the best possible audio quality. As a result, this AV receiver has the ability to reproduce the most subtle details of high definition sound, allowing the listener to enjoy a high-class sound studio experience at home. The interior of the Yamaha RX-A870 has been reinforced using cross members in an H-shape to provide an extremely rigid and stable frame, therefore reducing chassis vibration to almost nothing, even during high volume listening. This reinforcement will maintain the highest possible audio quality, and it is only one of the many design aspects that Yamaha have updated. The interior of the unit has also been precisely planned, circuit-routed and built to ensure that the left and right channels are physically and electrically isolated, minimising channel separation and greatly improving signal to noise ratio. The feet on the RX-A870 have been newly designed, boasting a high density structure that utilises two kinds of interior ribs - straight and curved - to enhance strength and damping performance. Installation stability has been enhanced thanks to these feet, and the chassis resonance is dispersed, effectively eliminating external vibration. The low range response has been enhanced, too, while resonance peaks in the mid and high-range have been reduced, providing dynamic sound and accurate reproduction. Audio Support Dolby Atmos support is included, as well as DTS-X and CINEMA DSP HD3, ensuring your movie experience will be unlike any other. New signal processing algorithms in the revamped CINEMA DSP HD3, along with three sets of high performance processors, will allow the RX-A870 to deliver maximised theatre sound effects, accurately reproducing your sound with an unbelievable sense of realism. Dolby Atmos Dolby Atmos technology is based on audio objects rather than – more conventionally – channels. This means that filmmakers are able to decide where the sounds should originate from and where in the room they should move to as the scene progresses. In order to deliver the full object-based soundtrack to your home theatre, Dolby has developed new home authorising tools and new encoding methods that will allow all the audio objects created for use within a cinema to be used within the comfort of your own home. DTS:X The next generation in audio codec from DTS, DTS:X leverages object-based audio to enable immersive and interactive audio experiences. This technology is able to automatically adapt to the existing channels and speaker systems already in your home theatre setup, meaning no specific speaker layout is required. DTS:X will allow you to experience an immersive soundscape with incredibly rich and life-like audio. Video Support To add to the experience, this receiver also supports 4K Ultra-HD video, including 4K, 60p, HDCP2.2 and HDR Video, with support also offered for Dolby Vision, Hybrid Log-Gamma and BT.202 Pass-through. These formats will offer more detailed and beautiful contrasts, smoother tone and richer, brighter colours than seen on previous models. It is also compatible with 3D, Audio Return Channel and CEC for ease of operation. MusicCast and Bluetooth MusicCast and Bluetooth open up a wider range of connectivity and listening options to the user. MusicCast will employ a high performance wireless network in order to deliver music and other audio files. Access streaming digital music content directly from your smartphone, PC or NAS to other MusicCast devices in your home, or share your music from external devices such as a TV or BluRay player connected directly to the AV receiver. The latest Bluetooth technology will also allow you to stream music from your handheld devices and Bluetooth enabled Mac/PC. For those who wish to listen to the radio, rather than connecting a Bluetooth device, the built in DAB/DAB+ tuner will allow you to enjoy thousands of free Internet Radio stations, delivering radio content in high quality audio. Automatic tuning will allow for quick station selection and the screen will display a list of information such as station name, music genre, currently playing lists etc. The RX-A870 allows you to store 40 presets for fast selection of favourite stations and settings. Yamaha Remote Control App An AV controller app is available to download for free via the Apple AppStore and Google Play. This app will allow for control over power, volume, track selection, operation over music streaming services and Internet Radio stations. It will also allow you to choose input modes and DSP modes. The app is available in 23 different languages and offers a customisable interface for personal preference tailoring. A tablet and Mobile version are available. Reinforced with cross members in an H shape to provide stability and rigidity Accurate reproduction of movie sound effects and music Reproduces subtle details of high definition sound Major improvements internally and externally Wide, open soundstage Product SpecificationsDimensions (HxWxD) in mm 171 x 435 x 382 Rated output power 160 W 1ch, 100 W 2ch Wi Fi Connectivity Yes with Wireless DirectHDMI Inputs 8 HDMI Outputs 2Dolby Atmos, TrueHD, Digital+, SurroWeight 10.5 kg Dynamic Power (8/6/4/2 ohms) 130 / 170 / 1954K Pass-through & 4K UpscalingYes (4K / 60p, 4:4:4)
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