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Yamaha CX-A5100

11.2 Channel AV Preamplifier

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Retail Price: $2,999.95


Audiogurus Knowledge Base

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  • Bluetooth, AirPlay and Play-Fi Audio Streaming
  • Choosing the Best AV Receiver
  • What is 4K Upconversion and Do I Need It?



Absolute quality for when the very best is your option. With years of expertise in designing audio / video receivers and preamplifier processors, Yamaha has gone a step further with its highest offering in the AVENTAGE lineup. Meet the CX-A5100 preamp processor, built from the ground up to be a powerhouse for the most demanding of home theater enthusiasts. Experience three-dimensional surround sound formats with the next generation in audio / video technologies like never before. Tap into advanced Yamaha digital signal processing with CINEMA DSP HD3, utilize the best built-in functions for customization and enjoy the latest home theater technologies that are offered today. Now with MusicCast, this device can be expanded to deliver wireless multiroom audio playback, all controlled by a simple app.


  • AVENTAGE build standards designed to deliver the highest level of audio performance
  • Aluminum front panel, H-shape cross member frame and rigid bottom frame
  • 11.2-channel preamplifier with balanced XLR outputs (including subwoofer outputs)
  • MusicCast wireless multiroom audio support
  • Bluetooth® and built-in Wi-Fi for wireless music streaming
  • AirPlay®, Spotify®, Pandora® music streaming service and AV Controller App
  • DSD 2.8 MHz / 5.6 MHz, FLAC / WAV / AIFF 192 kHz / 24-bit, Apple® Lossless 96 kHz / 24-bit playback
  • YPAO™ - R.S.C. with 3D, multipoint and angle measurement
  • Dolby Atmos® and DTS:X™ support (up to 7.1.4-ch)
  • CINEMA DSP HD3 expands the sound field vertically for more thrilling and realistic surround sound
  • Professional digital-to-analog conversion (ESS SABRE™ Ultra DAC ES9016S) for all channels
  • Advanced HDMI® zone switching allows unprecedented AV switching to multiple zones
  • HDMI 2.0a: 4K Ultra HD video upscaling with HDCP 2.2 and high dynamic range (HDR) support

AVENTAGE AV Receivers: Designed to Deliver the Highest Levels of Audio Performance

The AVENTAGE line of high-performance AV receivers is based on the audio design concept of providing a massive, full-bodied sound for movie sound effects and the accurate reproduction of music sources. By expertly harmonizing traditional and advanced technologies, every factor that affects sound quality, from materials and parts to construction, layout, vibration damping (unique foot) and “fine-tuning” the sound, is handled with no other thought than to achieve the best possible audio quality. As a result, every AVENTAGE model has the ability to reproduce the most subtle details of high-definition sound, so that listeners can enjoy a truly high-class sound studio experience at home.

Anti-Resonance Technology Wedge Helps to Ensure that Vibrations Do Not Affect Sound Quality


The Anti-Resonance Technology Wedge is a fifth foot in the center of the unit. It dampens vibrations from the power transformer, power transistors and heat sinks, as well as vibrations that might be caused by the sound from the speakers.

Aluminum Front Panel Offers Visual and Aural Benefits


All of the AVENTAGE components feature the same sleek, clean design, with an elegant aluminum front panel and silky touch volume/selector knobs. The aluminum front panel is used to effectively shield sensitive circuitry from external noise and electronic radiation generated by dimmer switches, fluorescent lighting, video monitors and so on. This ensures optimum sonic performance in the widest range of installation environments.


MusicCast makes it easy to bring music to every room in your home wirelessly with playback controlled by a simple app. Start with a MusicCast capable AV receiver in your main entertainment room for the ultimate home theater experience, then add MusicCast speakers, sound bars or Hi-Fi components in other rooms wirelessly.


All Your Content

MusicCast allows you to access your digital music library, streaming music services and Internet radio, as well as Bluetooth® sources, your TV sound and external sources attached to your AV receiver, such as a Blu-ray disc player or CD player.


Bluetooth® Compatible for Wireless Music Streaming

The RX-A850 is equipped with Bluetooth® functionality to let you easily enjoy wireless music playback from smartphones and other devices. The Compressed Music Enhancer from Yamaha is now optimized for Bluetooth audio transmissions to ensure that your music will have vivid, lively sound quality during wireless playback.


Full Support of HDMI 2.0a Spec: 4K Ultra HD Video Upconversion, HDCP 2.2 and High Dynamic Range (HDR)

This unit supports the latest HDMI standards thanks to the transmission of 4K video at 60 frames per second (pass-through and video upscaling). Fully enjoy the high definition video quality of 4K without degradation along with HDCP 2.2 that fully complies with the latest copyright protection, a standard for 4K video transmission. It also supports HDR* video which provides enhanced picture quality by simultaneously enabling greater detail for both the dark and bright parts of an image. 

*A future firmware update will be required to enable HDR.


HDMI with 3D and Audio Return Channel


The RX-A850 supports 3D video signals. Additionally, the Audio Return Channel function enables audio to be sent and received via the same HDMI cable, so you can hear the sound from the TV via a single HDMI cable.

HDMI CEC for Easy Operation

Another benefit of HDMI is the availability of CEC functionality. When the unit is connected to a CEC compatible TV, the receiver will turn on and off together with the TV and you can use the TV remote to control the volume. CEC also provides advanced functionality with other components. For example, you can use the receiver’s remote control to command source players with functions like skip, play and pause. 

*All connected devices must be HDMI CEC compatible. Some CEC compatible 
TVs / players may not work.

Network Functions

This AV receiver provides a variety of network functions that enable you to access more sources and also enhance operation. You can connect the AV receiver to a Mac® or PC with WebBrowser Control and have two way control of Internet radio, Pandora®, Rhapsody®, Spotify or SiriusXM Internet Radio. The AV Controller App (from iTunes® or Google Play) lets you control various functions from your iPod®, iPhone®, iPad® or Android™ phones / tablets.


Built-in Wi-Fi and Wireless Direct

Built-in Wi-Fi allows for a wireless connection with your wireless router, greatly simplifying system connections for enjoying networked audio (PC / NAS) and music streaming services. If a Wi-Fi router is not available, the unique Wireless Direct feature not only allows you to stream music directly from your smartphone or tablet via the AV Controller App, AirPlay® etc., but also allows for control of the AV receiver as well.


AirPlay® Allows Streaming Music to AV receivers


This AV receiver supports AirPlay, which means they can accept wireless music streaming from iPod touch®, iPhone®, iPad®, as well as from iTunes® on a Mac® or PC. This makes it easy to enjoy music from your mobile devices or computer at your home theater system. You can view metadata such as song title, artist name as well as album art inside the receiver's on-screen display.

Stream Millions of Songs with Spotify Connect


With the Spotify app on your smartphone, you have instant access to millions of songs. Now you can stream those songs to your networked Yamaha AV receiver by using Spotify Connect. Just hit play to start streaming music. When you listen to Spotify outside on your smartphone or tablet and come inside, the song immediately streams to your Yamaha AV receiver allowing no interruption to your music playback. You can also personalize playlists and receive phone calls while listening to music on Spotify. 

The Spotify app and premium account are required. Visit for more details. 

Try Spotify Premium for free on your Yamaha home entertainment system for 30 days.

AV Controller App for Easy, Convenient Operation


This AV receiver lets you use the Yamaha AV Controller App that is downloadable from iTunes®, Google Play or the Amazon Appstore to control the power, volume, input selections, DSP modes and much, much more from an iPhone® or Android™ device. You can also use as many as 23 different languages and customize the interface by hiding unused icons and renaming functions. A tablet version is also available.

Support for the Latest Surround Format, Dolby Atmos®


Enter a new world of sound with Dolby Atmos®. It transports you from an ordinary moment into an extraordinary experience with captivating, multidimensional sound that fills your room with amazing richness and depth. Music, people, and objects come alive in breathtaking detail and flow in precise choreography all around you, making you feel like you are truly there. The combination of Dolby Atmos and Yamaha AV receivers will fill the room with multidimensional sound that makes you feel as if you are right in the middle of the story unfolding on the screen.

Speaker Layout Patterns Designed for Dolby Atmos® Playback

Yamaha provides multiple placement patterns for presence speakers to support Dolby Atmos®, creating a sound field that’s ideal for your setup. Any layout can be appropriately reproduced, including the three-dimensional space of CINEMA DSP as well as Dolby Atmos. 

Furthermore, YPAO™ - Reflected Sound Control optimizes the listening environment and takes full advantage of the detailed spatial localization capabilities of Dolby Atmos. The combination of Dolby Atmos and Yamaha AV receivers will fill the room with multidimensional surround sound that makes you feel as if you are right in the middle of the story unfolding on the screen.


DSP Parameter Adjustment for Easy and Detailed Setting

This AV receiver is equipped with a variety of sound programs that utilize original DSP technologies from Yamaha. These sound programs allow you to easily create sound fields like actual movie theaters or concert halls in your room to enjoy natural stereoscopic sound fields. It is now possible to use the AV Controller App to adjust the DSP parameters in a basic or advanced mode to match the mood of your favorite movie or music album.


Extensive Audio Codec and Format Support

This AV receiver is compatible with many audio formats such as Dolby® True HD and DTS-HD Master Audio™. It is also compatible with high-resolution audio codecs such as DSD / AIFF / FLAC / WAV / Apple® Lossless. You will enjoy the excellent sound quality of these various high-resolution audio codecs from the USB input on the front panel or from network connected devices.

USB Digital Connection for iPod® and iPhone® on the Front Panel


A USB port on the front panel allows convenient connection of an iPod® and iPhone®, which also charges the iOS device when connected. Because the digital signal from the iPod and iPhone is transmitted directly to the AV receiver, there is no signal-loss or interference. You get to enjoy the best possible sound quality. In addition, you can use the receiver’s remote control unit to operate the iPod and iPhone for basic playback control.

Compressed Music Enhancer

When music is encoded into a digitally compressed format like MP3, the frequency response suffers. The Compressed Music Enhancer from Yamaha employs sophisticated digital signal processing using exclusive algorithms to restore what was lost, so the music always sounds the way it should.

Gapless Playback Compatibility Allows Play without Interruption

Many live and classical albums have no gaps in the music. Gapless playback ensures that there are no pauses between audio files. This provides playback with no interruptions, the way it was meant to be heard.


YPAO™ - R.S.C. with Multipoint Measurement

YPAO - Reflected Sound Control analyzes room acoustics and measures various speaker characteristics, then calibrates audio parameters to achieve optimum sound in the listening area. It employs Reflected Sound Control to correct early reflections for studio-quality sound. It also provides DSP Effect Normalization which varies the CINEMA DSP parameters according to the reflected sounds. With Multipoint measurement, measure up to eight locations ensuring each seat is acoustically optimized during playback.


YPAO™ Volume to Ensure Natural Sounds Even at Low Volume

Human ears have less sensitivity to high and low frequencies, especially at lower volumes. YPAO Volume applies loudness EQ correction to automatically adjust high and low frequency levels as the volume changes. Using the YPAO measurement results, EQ correction is optimized to your system settings and listening environment.


Extra Bass Provides Rich Bass Reproduction, Even with Small Speakers

This exclusive low-range enhancement technology delivers richer bass than you would expect from the speaker size while maintaining good localization and sound balance even with compact front speakers. When a subwoofer is used, it improves the volume of the entire low range of the speaker system, not only the front speakers, but also enhancing the bass from the subwoofer. You'll enjoy video and music with sound that has exceptional power and presence.

Total Purity Concept for the Finest Sound Quality

The Total Purity Concept, which Yamaha has been cultivating for many years, encompasses high drive amp technology, high purity preamplification, anti-vibration technology and independent pure power supplies. All models have fully discrete power amplifiers that help minimize distortion. They also adopt pure independent power supplies, allowing dedicated power supplies for the analog and digital circuitry to prevent digital noise from affecting analog circuitry. The anti-vibration heat sinks are designed to suppress vibration from transistors and sound pressure. Independent power supplies for the DACs are designed to further eliminate noise on certain models. Down to every detail, these AV receivers are designed with full emphasis on the highest possible sound quality.

Discrete Amp Configuration for High Sound Quality


This AV receiver was designed with a strong focus on achieving a high level of sound clarity. It employs a discrete amplifier configuration and a low-jitter PLL circuit, which contribute to its excellent audio performance.

SCENE for One-Touch Start


Pressing a SCENE button powers on the AV receiver and selects the input source and DSP mode. You can reset the buttons for different sources by selecting a source and DSP mode, then pressing a SCENE button for more than three seconds.

HD Audio with CINEMA DSP 3D and Virtual Presence Speaker

CINEMA DSP 3D provides a wide, high and dense sound field. HD Audio format decoding lets you enjoy HD Audio sources. Virtual Presence Speaker delivers three-dimensional sound without the actual use of presence speakers.

Virtual CINEMA FRONT Provides Virtual 7-channel Surround Sound with High Quality and Resolution

The Virtual CINEMA FRONT feature allows for more flexibility to arrange your speakers inside the room. Simply place the surround speakers in the front of the listening area to enjoy a virtual 5-channel surround sound with superior rear virtual sound localization.

Virtual Presence Speaker and Virtual Surround Back Speaker

With the power of CINEMA DSP 3D, the Virtual Presence Speaker function makes full use of center and surround speakers to create audible information from where presence (height) speakers are normally installed. In addition, this model also features a Virtual Surround Back Speaker function. Even without using surround back speakers, you can experience more natural, lifelike sound from behind you without physical speakers being installed in the surround back area of the listening environment.

Subwoofer Trim for Improved Sound Imaging


The Subwoofer Trim Control enhances the low frequencies by avoiding overlap with the front speaker output. This will result in a cleaner, more focused soundstage while providing a seamless frequency response. When subwoofer frequency overlap occurs in conventional systems, the overall sound is “pushed” toward the subwoofer. Subwoofer Trim Control takes care of this by separating the low subwoofer frequencies cleanly, thus stabilizing the front stage while providing a well-balanced enhanced bass sound.

Intelligent Amp Assign

Intelligent Amp Assign automatically assigns amplifier channels to certain speakers, depending on what speaker layout is selected. For example, in a 7.1-channel system, when Zone 2 is turned off, all 7.1-channels will be used in the Main Zone. However, when Zone 2 is powered on, the power to the two surround back channels will automatically be redirected to the two speakers in Zone 2 and the Main Zone will receive 5.1-channels of power. Similarly, when CINEMA DSP 3D is on, the two Front Presence speakers will be powered and not the two surround back speakers. When CINEMA DSP 3D is off, this situation is reversed. Thanks to Intelligent Amp Assign, there’s no need to switch the speaker cables on the rear of the AV receiver.

Advanced Multilingual GUI On-screen Display

The latest graphical user interface from Yamaha has a high-resolution display with clear, easy-to-use menus and also includes a selectable status bar that shows input source, volume level, DSP mode and audio format. The GUI provides a choice of eight languages: English, French, German, Spanish, Italian, Russian, Japanese and Chinese and can be displayed over both normal and 3D pictures.


AV SETUP GUIDE for Easier Installation

The AV SETUP GUIDE makes it much easier to perform the set up process with the Yamaha AV receiver. This app assists you with cable connections between the AV receiver and source devices. Additionally, it guides you through various settings such as speaker connections, TV and source device connections and power amplifier assignments. System illustrations and actual AV receiver images help you understand how to make the connections between devices. It is available in multiple languages and is designed for iOS and Android™ tablets.

Selectable Auto Power Standby


Auto Power Standby lets you save energy by automatically turning off the receiver's power after 20 minutes, two, four, eight or 12 hours.

ECO Mode Lowers Power Consumption by 20%*


When ECO mode is turned on it can reduce power consumption by about 20 percent.

*Compared to power consumption when ECO mode is off (Yamaha measurement).


Color Black
Height (inches) 7-1/2" (9-3/4" with antenna up)
Width (inches) 17-1/8"
Depth (inches) 18-5/8"


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