Review: Anthem MRX 1140 8K

Overview

The Anthem MRX 1140 8K is a flagship 11.2-channel home theater receiver that delivers stunning audio and video performance. It supports the latest surround sound formats, including Dolby Atmos, DTS:X Pro, and IMAX Enhanced, and features Anthem’s acclaimed ARC Genesis room correction system that optimizes the sound for any listening environment. The receiver also has a web-based interface that allows easy setup and control, as well as streaming capabilities via AirPlay 2, Google Chromecast, Bluetooth, and Spotify Connect.

The receiver has a sleek and modern design, with a high-resolution front panel display that shows the input source, volume level, and sound mode. The back panel has a generous array of connections, including 8 HDMI inputs and 3 outputs, all of which are HDMI 2.0b and HDCP 2.2 compliant, and can be upgraded to HDMI 2.1 for 8K support. The receiver also has 15.2-channel preamp outputs, 2 independent subwoofer outputs, and a Zone 2 HDMI output for multi-room audio and video.

The receiver has a powerful amplifier section, with 140 watts per channel for the main 5 channels, and 60 watts per channel for the remaining 6 channels. The main channels use Class AB amplification, while the others use Class D amplification, resulting in a balanced and dynamic sound. The receiver can power up to 11 speakers, or up to 15 with external amplification, and can handle various speaker configurations, such as 7.2.4, 9.2.2, or 5.2.6.

The receiver supports all the major surround sound formats, including Dolby Atmos, DTS:X Pro, and IMAX Enhanced, and can decode up to 15.2 channels of immersive audio. The receiver also has a DSP platform that allows for amp matrixing and channel reassignment, giving the user more flexibility and customization options. The receiver also has a Dolby Surround and DTS Neural:X upmixer that can create a 3D sound field from any source.

The receiver features Anthem’s ARC Genesis room correction system, which is one of the best in the industry. The system uses a calibrated microphone and a software application to measure the acoustic characteristics of the room and the speakers, and then applies filters and adjustments to optimize the sound for the specific listening environment. The system can also correct multiple subwoofers individually, and has a bass management feature that can blend the low frequencies from the speakers and the subs.

The receiver has a web-based interface that allows the user to access and control the receiver from any device with a web browser. The interface is intuitive and user-friendly, and allows the user to adjust various settings, such as input names, speaker levels, crossover frequencies, sound modes, and more. The interface also shows the status of the receiver, such as the input signal, the output resolution, the sound format, and the ARC results. The receiver also has an over-the-air update feature that can download and install the latest firmware automatically.

The receiver has a streaming platform that supports AirPlay 2, Google Chromecast, Bluetooth, and Spotify Connect, allowing the user to stream music from various devices and services. There are plans for Roon support, which is a music management and playback software that can integrate the user’s local and online music libraries and provide rich metadata and information about the music. The receiver, however, does not have any built-in streaming services, such as Tidal, Amazon Music, or Deezer, which may be a drawback for some users.

The Anthem MRX 1140 8K is a superb choice for a full-fledged Dolby Atmos home theater with 11 or more main speakers, both in terms of sound quality and flexibility. It has a solid and powerful sound, a comprehensive and user-friendly interface, and a high-quality room correction system. It also has a future-proof design, with the option to upgrade to HDMI 2.1 for 8K support. The only downsides are the lack of built-in streaming services, and the absence of USB-B and phono inputs. Overall, the Anthem MRX 1140 8K is a highly recommended receiver for anyone looking for a premium home theater experience.

Sound Quality

The MRX 1140 delivers a stunning sound quality that immerses the listener in a realistic and engaging sound field. The receiver has a powerful and balanced sound, with clear highs, detailed mids, and deep lows. The receiver also supports all the major surround sound formats, including Dolby Atmos, DTS:X Pro, and IMAX Enhanced, and can decode up to 15.2 channels of immersive audio. The receiver also has a DSP platform that allows for amp matrixing and channel reassignment, giving the user more flexibility and customization options. The receiver also has a Dolby Surround and DTS Neural:X upmixer that can create a 3D sound field from any source.

The Anthem MRX 1140 8K has a 32-bit AKM AK4458VN DAC with 768kHz sampling capacity. This DAC is a high-performance audio device that supports various digital input formats, such as PCM, DSD, and MQA3. The DAC also has a low-distortion sound filter and a digital de-emphasis filter that can improve the sound quality of compressed audio sources. The DAC can handle up to 15.2 channels of audio, and can output high-resolution audio signals to the preamplifier or amplifier sections of the receiver. The DAC is one of the components that contributes to the exceptional audio performance of the Anthem MRX 1140 8K.

Video Quality

The Anthem MRX 1140 8K also has a high-performance video section that supports the latest video standards and resolutions. The receiver has 8 HDMI inputs and 3 outputs, all of which are HDMI 2.0b and HDCP 2.2 compliant, HDMI 2.1 for 4K/120hz or 8K/60hz support. The receiver also supports HDR10, Dolby Vision, and HLG, and can pass-through 4K/60Hz, 4:4:4, and BT.2020 signals. The receiver also has a video processor that can upscale lower-resolution sources to 4K or 8K, and can also apply noise reduction and edge enhancement. The receiver also has a Zone 2 HDMI output for multi-room audio and video.

Review: Roon Music Server

Roon is a powerful and feature-rich software application designed for music enthusiasts who demand the highest level of control and organization over their digital music library. It is a comprehensive solution that combines music playback, metadata management, and multi-room audio streaming into one seamless and user-friendly package.

One of the standout features of Roon is its ability to organize and curate your music collection. It employs a sophisticated metadata system that goes beyond basic song and artist information, providing a rich and immersive browsing experience. Roon automatically gathers data from various sources, including album art, artist biographies, reviews, and lyrics, to create a visually engaging and informative interface. This allows users to explore their music library in a more meaningful and interactive way.

The user interface of Roon is elegant and intuitive, with a modern design that prioritizes visual aesthetics and ease of use. The software provides multiple ways to browse and search for music, including by artist, album, genre, and even by mood or contextual relationships. The interface adapts well to both small and large music collections, offering powerful filtering and sorting options to help users quickly find the music they desire.

When it comes to audio playback, Roon supports a wide range of file formats, including lossless formats like FLAC and ALAC, as well as high-resolution formats like DSD. It integrates seamlessly with popular music streaming services, such as TIDAL and Qobuz, giving users access to a vast library of music directly within the Roon interface. The software also supports gapless playback and provides advanced features like DSP (digital signal processing) for room correction and equalization.

Another standout feature of Roon is its multi-room audio capabilities. With Roon, users can synchronize and control playback across multiple devices and rooms, creating a seamless and immersive music experience throughout their home. Whether you want to listen to music in the living room, kitchen, or bedroom, Roon makes it easy to manage and control playback across all your connected devices.

Roon is designed to be highly customizable and extensible. It supports a wide range of audio devices, including network players, DACs, and even USB-connected speakers. The software also integrates with popular smart home systems, such as Sonos, Google Chromecast and Apple Airplay, allowing for seamless integration with existing setups. Roon can be installed

One consideration with Roon is that it is a subscription-based service, meaning you’ll need to pay a recurring fee to access its full features. While this might be a drawback for some users, the ongoing development and regular updates provided by Roon Labs ensure that the software remains up-to-date and continues to evolve with new features and improvements.

In summary, the Roon Music Server is a powerful and comprehensive solution for music lovers who value a rich and interactive music browsing experience, seamless multi-room audio streaming, and extensive customization options. Its advanced metadata system, intuitive interface, and broad compatibility with various audio devices make it a top choice for those seeking a high-quality music server to enhance their digital listening experience.

Review: Cambridge Audio CXNv2

The Cambridge Audio CXNv2 is a high-performance network audio player that offers a wide range of features and impressive audio quality. It is designed to cater to audiophiles and music enthusiasts who demand top-notch sound reproduction and versatile connectivity options.

One of the standout features of the CXNv2 is its ability to access and stream music from various sources. It supports a wide range of streaming services, including TIDAL, Spotify, Qobuz, Roon, and more, allowing users to enjoy their favorite tracks with ease. Additionally, it has built-in support for internet radio, giving users access to a vast array of stations from around the world.

The build quality of the CXNv2 is exceptional, featuring a sturdy chassis and a sleek, modern design. The front panel houses a large color display that provides clear and intuitive navigation through the menus and settings. The included remote control is well-designed and offers convenient control over the player’s functions.

In terms of audio performance, the CXNv2 truly shines. It supports high-resolution audio formats, including FLAC, WAV, and AIFF, allowing users to experience their music in its full glory. The device utilizes dual Wolfson WM8740 digital-to-analog converters (DACs) to deliver detailed and precise sound reproduction. The soundstage is wide, with excellent instrument separation and a balanced tonal presentation. The CXNv2 produces a warm and engaging sound signature that is pleasing to the ears and suits a wide range of music genres.

Connectivity options on the CXNv2 are extensive. It includes both wired and wireless connections, such as Ethernet, USB, coaxial, and optical inputs/outputs. The device also supports Bluetooth and AirPlay, making it easy to stream music wirelessly from compatible devices. Furthermore, the CXNv2 can function as a digital preamp, allowing direct connection to power amplifiers or active speakers.

The user interface of the CXNv2 is user-friendly and intuitive, thanks to the inclusion of Cambridge Audio’s proprietary StreamMagic platform. It offers smooth navigation, quick response times, and a visually appealing interface. The device can be controlled through the front panel, the included remote control, or via the Cambridge Connect app, available for iOS and Android devices.

While the CXNv2 is a feature-packed and high-performing audio player, it might be considered a bit pricey compared to some competitors in the market. However, the quality of construction, audio performance, and the extensive range of features make it a worthwhile investment for serious music lovers who value both functionality and sound quality.

In summary, the Cambridge Audio CXNv2 is an impressive network audio player that delivers exceptional sound quality, versatile connectivity options, and an intuitive user experience. Its ability to access various streaming services, support for high-resolution audio, and robust build quality make it a compelling choice for those seeking a premium audio player for their home audio setup.

Review: IsoAcoustics GAIA Speaker Isolators

IsoAcoustics GAIA is a series of speaker isolators designed to minimize the impact of the listening environment on a speaker’s performance. Specifically, it isolates the speaker from internal reflections generated by the flooring supporting the speaker. The result is greater sound clarity, an expanded sound stage, and reduced vibrations in the surrounding listening environment.

I discovered GAIAs in a Facebook post while researching how to reduce vibrations in my Home Theater space in my finished basement. The basement is constructed of concrete below grade and wood/brick above, with a concrete floor covered in Luxury Vinyl Plank (LVP) flooring and a drop ceiling with sound-absorbing tiles. The walls are well-insulated and treated with Acoustic panels from ATS Acoustics. Even with the amount of insulation and acoustic treatment, I still had vibrations I couldn’t track down. I eventually determined that they resonated from within the subwoofers (2 x Martin Logan Dynamo 1600x) and tower speakers (2x Martin Logan 60xti).

In talking with people in the Facebook group, the recommendation was to decouple the speakers from the concrete/LVP flooring by installing some isolation technology. I first experimented using the rubber feet that came with the speakers and then the included spiked feet. Neither of these seemed to help, so I was skeptical. However, I did some research and found isolating the speaker from their environment is a common practice in professional recording studios. Methods range from installing bases for the monitor speakers to sit on to building the studio on top of giant spring/rubber isolators.

I received many suggestions, but the one repeated the most was IsoAcoustics GAIA Speaker Isolators. After consuming as much information on the product as possible, I ordered some for my subs and towers.

IsoAcoustics is a Canadian manufacturer of isolation products for the audio industry and has been in business since 2012. The founder, Dave Morrison, has been designing and building radio and television studios for the Canadian Broadcasting Corporation (CBC) for 20 years. The GAIAS are feet that replace your speaker’s existing feet and are constructed with a dark stainless steel shell and a thick rubber-like foot that protrudes from under the surface. The rubber-like foot can move up, down, forwards, backward, and left to right. It has a concaved bottom that provides a suction cup-like surface to provide some resistance to sliding on the floor.

The feet are straightforward to install. Remove your old feet, and install the new ones. There is one caveat. The feet have the IsoAcoustics logo on them, and it serves an essential purpose. The feet are directional, so the logo needs to be facing the same direction as the drivers in your speakers. So, the logo either needs to be facing forward or backward. The feet come in a kit of 4, enough for one speaker. There are three sizes of feet; which one you choose depends on the speaker’s weight. The IsoAcoustics site provides a tool to determine the correct size. Don’t simply buy the largest feet. GAIA 1 supports up to 220lbs, GAIA II supports up to 120, and GAIA III up to 70. Due to the nature of the rubber foot, under or oversizing the foot could have unintended consequences.

For my needs, I ordered GAIA III for my subwoofers and GAIA II for my tower speakers. Each comes with 4 feet, three mounting bolts covering the most common hole sizes for feet, and a tool to help with installation. If the supplied bolts don’t fit your speakers, IsoAcoustics will ship you the ones that do.

After installation, I realigned my speakers for my sitting position, grabbed my remote, and sat down. I expected to hear a slight difference in how my system sounded. However, the results blew me away.

I put my copy of Top Gun Maverick in the 4k player and watched the opening sequence. I was amazed at the details I could hear. The change in sound was remarkable. The bass was no longer muddy, the mids were crisp, and the sound stage was more defined. I could hear movements transitioning from left to right that I could barely hear before. Most importantly, the audible vibrations I had become obsessed with were virtually eliminated. I had seen this movie ten times before, but I became consumed by the details of the soundtrack I could now hear.

Listening to music had the same result. I picked Hotel California from the Eagle’s live album, Hell Freezes Over. The quality of the sounds was equally impressive. The mix between left and right is more defined, allowing one to better hear each instrument individually during the first 2:08 of the song.

I highly recommend these to anyone looking to improve the overall sound quality of their Home Theater. As of the writing of this article, GAIA III was $199, and GAIA II was $299, so they are not cheap. However, considering the cost of other alternatives and the impressive performance of the product, I feel it’s worth the money.

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