Marantz SR-7012 9.2CH Atmos Network AV Receiver
Marantz SR-7012 9.2CH Atmos Network AV Receiver
Marantz SR-7012 9.2CH Atmos Network AV Receiver
Marantz SR-7012 9.2CH Atmos Network AV Receiver
Marantz SR-7012 9.2CH Atmos Network AV Receiver
Marantz SR-7012 9.2CH Atmos Network AV Receiver
Marantz SR-7012 9.2CH Atmos Network AV Receiver
Marantz SR-7012 9.2CH Atmos Network AV Receiver
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Marantz SR-7012 9.2CH Atmos Network AV Receiver

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RM 7,299.00
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9.2 Channel Full 4K Ultra HD Network AV Surround Receiver with HEOS

Experience superb music and home theater sound with the new Marantz SR7012. It combines the unique Marantz audiophile sound with all the latest home cinema technologies, including Dolby Vision compatibility, HLG and all 3D surround sound formats already built-in.

Marantz has long set the standard for AV receivers combining home theater prowess with superb music ability, and the SR7012 takes that capability to unprecedented levels, combining the very latest technology for an immersive movie experience, including full 4K compatibility and unparalleled 3D surround sound decoding, with precision audio engineering and tuning. Marantz doesn’t believe that home cinema performance should come at the expense of music playback, and the SR7012 is designed to sit at the heart of a complete high-end home entertainment system, with nine powerful amp channels built-in. It has a wide range of facilities to enable your favorite music to be shared and enjoyed, including network streaming, compatibility with ultra-high-resolution music formats, Bluetooth and Airplay for playback from portable devices, and the HEOS wireless multiroom system.

Powerful 9 Channel Discrete Amplifier, and Eco Mode

The SR7012 features identical discrete high-current output power amplifier devices on each of its 9 channels for superb sound with both music and movies. Rated at 125 watts per channel (8 ohm, 20 Hz - 20 kHz, THD 0.05%, 2ch driven), it has low-impedance drive capability, for excellent speaker control, and is compatible with 4 ohm speakers too. To enjoy immersive 3D sound, you can set up a 7.1.2 or 5.1.4 3D experience without the need of external amplifier, or expand to 7.1.4 with an additional two-channel amp. using the SR7012's 11.2 channel processing. Meanwhile the Eco mode provides energy savings: it features an on-screen Eco meter, and allows the receiver to be used in power-saving mode. It will either reduce the maximum output power or adopt low-power strategies at more modest settings – and all without affecting the SR7012's superb sound quality.

Latest HDMI Connectivity; HDCP 2.2 Compatible

With 8 HDMI inputs, including one conveniently located on the front panel for quick connection of video sources, and triple HDMI outputs, the SR7012 has an advanced video section supporting the latest HDMI specification, including 4K Ultra HD 60Hz video, 4:4:4 Pure Color sub-sampling, BT.2020 and HDR (High Dynamic Range) pass-through support on every input. Dolby Vision compatibility, as well as HLG (Hybrid Log Gamma), new HDR format for broadcasting, pass-through capability are newly supported.

It also features HDCP 2.2 compatibility, for 4K Ultra HD copy-protected content, on all HDMI inputs making it ready for the next generation of Blu-ray disc players, set-top boxes and 4K Ultra HD streams and downloads. The video processor can also upscale SD and HD video content to full 4K Ultra HD, breathing new life into your favorite legacy sources.

Three HDMI outputs are provided - two for the main zone, so you can run a TV and projector in parallel, and one for a second zone.

Dolby Atmos

Feel every dimension in Dolby Atmos. Dolby Atmos transports you into the story with moving audio that flows all around you with breathtaking realism. Enjoy a 5.1 or even 7.1 surround sound speaker system and 4 additional overhead speakers or 4 Dolby Atmos elevation speakers (7.1.4 with additional 2 channel amplifier) for the ultimate home theater experience - including Dolby Surround upmixer for legacy content.


DTS:X™ immersive audio places sound where it would occur naturally in space, creating a lifelike, multi-dimensional audio experience in the home. The improved immersion and heightened realism draw you into the world of your favorite movies. The included spatial remapping engine, DTS Neural:X™, gives your movie, game and music collections a new lease on life! DTS:X brings the theater home.


Putting you in a cocoon of life-like sound. Auro-3D® elevates the home theater experience to amazing new levels by delivering the excitement of three-dimensional sound for music, games, broadcast, and films while enhancing your existing audio-visual collection, thanks to Auromatic up-mixing engine.

HDMI eARC Object-Based Audio Support

eARC (Enhanced Audio Return Channel) supports the transmission of 3D audio from your TV apps with a single HDMI connection for the simplest setup. This feature will be enabled via a future firmware update.

Built-in Bluetooth, Wi-Fi, and AirPlay Capability

Featuring Bluetooth & Wi-Fi wireless streaming connectivity, the SR7012 is equipped with an advanced dual antenna transceiver system, for robust streaming even in congested urban environments. With Apple's AirPlay compatibility, you can enjoy listing to your favorite tracks wirelessly from your favorite iOS device such as iPhone and iPad.

Introducing HEOS: Your Perfect Solution for Wireless Multi-Room Music Streaming

The SR7012's built-in HEOS technology allows you to stream and play back your favorite music wirelessly from literally unlimited sources. Enjoy music from TuneIn Internet Radio, Pandora®, Spotify®, Amazon Prime Music, iHeartRadio, SiriusXM, Soundcloud®, Tidal, Napster, Deezer or your local music file libraries. With additional HEOS components like the HEOS speaker range or other HEOS-capable receivers, you can play all your music throughout the whole house. Control it all effortlessly with the free HEOS app.

Marantz 2016 AVR Remote app

Redesigned from the ground up, the Marantz 2016 AVR Remote app gives you unprecedented control over the latest generation of Marantz network AV Receivers, from iOS and Android phones and tablets. Along with many new features, the graphics and user interface have been completely overhauled: control power, volume, input and settings, or switch within the app to the HEOS app to access an incredible range of music content and streaming services, all with full HEOS wireless multi-room control.

Hi-Res Audio

Discover the incredible fidelity of high resolution audio with the SR7012's ability to decode up to 24-bit/192-kHz ALAC, FLAC and WAV lossless files as well as DSD 2.8MHz and 5.6MHz tracks (the audiophile format of SACD). Play hi-res music via the front panel USB port and network sources, and also listen to other popular file types such as MP3.

Advanced 32-bit D/A Conversion on all channels

For optimum fidelity and the widest dynamic range with lowest distortion, the SR7012 features advanced reference-class 32-bit AKM D/A converters on all channels. This ensures consistent high fidelity and precise channel matching across all channels for the ultimate listening experience.

High Grade Audio Components; Marantz HDAM and Current Feedback Topology

Featuring exclusive Marantz HDAM (Hyper Dynamic Amplifier Module) technology found on our Reference Series components, the SR7012 incorporates multiple HDAM modules which provide superior low noise wideband performance in an all-discrete configuration, compared to conventional op amp ICs. HDAM technology provides an ultra fast slew rate for true wideband response and maximum dynamic range to deliver optimum sound quality with today’s high resolution audio formats.

In addition to HDAM technology, the SR7012 also features Current Feedback instead of the typical voltage feedback configuration. A Marantz innovation introduced on our very first audiophile amplifiers more than 60 years ago, Current Feedback technology provides a wide closed-loop bandwidth and very high slew rate, delivering superior fidelity with wideband audio sources.

Advanced Audyssey MultEQ XT32

Equipped with the flagship Audyssey suite of features, the SR7012 features Audyssey MultEQ XT32 automatic room acoustic correction using advanced DSP algorithms. With the supplied measurement microphone, it analyzes the output of each speaker (including the subwoofers) at up to 8 measurement locations, then generates precision digital filters that optimize each channel for the bets possible sound.

Audyssey Dynamic Volume smoothes out annoying jumps in volume (such as TV commercials), letting you listen at lower levels while still enjoying clear dialogue, music and sound effects, while Audyssey Dynamic EQ provides full-range clarity at any listening level.

Audyssey Low Frequency Containment uses advanced psychoacoustic algorithms to deliver a full-range balance, including deep bass, but without disturbing close-by neighbors or those in other rooms, and features a multi-step adjustment.

Audyssey Sub EQ HT provides individual DSP tailoring of each subwoofer in a dual subwoofer setup, allowing deeper bass with improved definition when compared to a single subwoofer configuration.

The Audyssey MultEQ Editor App

The SR7012 supports the brand-new Audyssey MultEQ Editor App. Go ‘under the hood’, view and adjust settings for detailed tuning, customize the sound more precisely to the specific problems in your room, and tailor the sound to your personal preferences.

  • View the speaker detection results, to check correct installation.
  • View before and after results of the Audyssey calibration, making it easy to identify room problems.
  • Edit the Audyssey target curve for each channel pair to suit your tastes.
  • Adjust the EQ frequency adjustment range for each channel pair.
  • Switch between 2 high frequency rolloff target curves.
  • Enable/Disable midrange compensation to make the vocal region brighter or smoother.
  • Save and load calibration results.

The Audyssey MultEQ Editor app, for Android and iOS, is available for purchase from the Apple AppStore or Google Play Store.

External Control Capabilities

The SR7012 has a range of features to provide enhanced control and compatibility with 3rd party and custom integration solutions, including IP control, either via wired LAN connection or Wi-Fi. For compatibility with other components there's a remote control input and output on the rear panel, along with a flasher input and a 12V trigger output, while for direct connection to external home automation and control equipment, there's an RS-232C serial port. The SR7012 also features Crestron Connected for quick and easy integration with home automation equipment.


Whatever your family's entertainment needs, the SR7012 delivers: you can enjoy 7.1-channel surround sound in the main room, and at the same time play stereo sound from another source in a different part of the house. Simply connect a pair of stereo speakers to the multi-room amplified outputs, or hook up a separate stereo amp and speakers to the Zone 2 pre-outs.

Dual Subwoofer Outputs

A single subwoofer demands optimal placement to avoid audible peaks and dips in the low-frequency response at the main listening position. The SR7012 supports two subwoofers: used in different locations, these will even out the low-frequency response for more accurate bass anywhere in the room.

Smart TV Connectivity

Via the HDMI CEC (consumer electronics control) functionality on some Smart TVs, it's possible to control the SR7012 with the TV's remote handset. With the receiver's "HDMI control" set to ON, set "Smart Menu" receiver control functions and the TV's Smart Menu home screen will provide you direct access to source and surround mode selections, the main setup menu, and Smart Select configuration presets.

Simple Smart Select Functions

The SR7012 has four Smart Select buttons on the front panel and the remote control: each stores a preferred setup – input, volume and Audyssey configuration – for a particular source. Push one button and the SR7012 can be perfectly configured for anything from Blu-ray or your TV set-top box to your favorite Internet radio station.

Easy To Setup, Easy To Use

For easy installation, the SR7012's horizontal row of premium loudspeaker terminals is color coded, with a set of matching cable-labels supplied to ensure correct hook-up. The AVR's clear graphical on-screen display has an exclusive Setup Assistant, combining with the Quick Start guide to provide guidance and optimize critical settings for the best possible sound quality, whatever your configuration.

More than 60 Years of Audiophile Heritage

Founded in 1953, Marantz has a long and rich history of designing audio components embraced by music lovers and critical listeners around the world. Because Music Matters so much in our lives, the SR7012 carries on our long tradition of delivering superlative stereo listening, as well as the ultimate home theater experience.

Marantz SR7012

Main Unit
Channels 9.2
Power Output 125 W per channel @ 8 Ohms, 20 Hz to 20 kHz, 0.05% THD
Audio Formats Dolby TrueHD, DTS-HD Master Audio
Object-Based Audio Support Dolby Atmos, DTS:X, Auro-3D
DTS Virtual:X-ready
Supported File Formats 24-bit/192 kHz AIFF, ALAC, FLAC; WAV lossless, DSD 2.8 and 5.6 MHz; MP3
Digital-to-Analog Converter (DAC) 192 kHz/32-bit
Tuner FM, AM, HD Radio
Upscaling Up to UHD 4K
Pass-Through 4K/60 Hz, 4:4:4 pure color, HDR10, Dolby Vision, HLG, 21:9 video, 3D, BT.2020
Standby HDMI pass-through
HDCP Version 2.2
HDMI Version 2.0a
ARC (Audio Return Channel) Yes, on main out
eARC via future firmware update
Wi-Fi Yes, dual-band (2.4 and 5 GHz)
Bluetooth Yes
AirPlay Yes
Inputs 8 x HDMI (1 front)
2 x digital coaxial
2 x optical TOSLINK
3 x component video
4 x composite video (1 x front)
7 x stereo RCA (1 x front, 1 x Phono)
1 x 7.1-channel
Outputs 3 x HDMI
1 x 1/4" (6.35 mm) headphone (front)
1 x component video
2 x composite video
1 x 11-channel pre-out
2 x RCA subwoofer pre-out
1 x stereo RCA zone 2
1 x stereo RCA zone 3
Other Ports 1 x USB in (front)
1 x setup microphone in (front)
1 x RS-232C
1 x Ethernet LAN
1 x RCA remote control in
1 x RCA remote control out
1 x FM antenna in
1 x AM antenna in
2 x Bluetooth/Wi-Fi antenna in
1 x 1/8" (3.5 mm) IR flasher in
2 x 1/8" (3.5 mm) DC trigger (max. 12 V, 150 mA)
1 x ground terminal
1 x AC power in
Speaker Connectors 11 x binding post pairs
Power Requirements 120 VAC, 60 Hz
Standby Power Consumption 0.2 W
Dimensions (W x H x D) 17.3 x 7.3 x 16.2" (439.4 x 185.4 x 411.5 mm)
Weight 31.3 lb (14.2 kg)
Packaging Info
Package Weight 38.85 lb
Box Dimensions (LxWxH) 21.0 x 19.8 x 11.1"

Marantz SR7012 9.2CH AV Receiver Review By  Audioholics Logo

By  — June 07, 2018

Marantz SR7012 AV receiver with Alexa voice control

Marantz SR7012 AV receiver with Alexa voice control

  • Product Name: SR7012
  • Manufacturer: Marantz
  • Performance Rating: StarStarStarStarhalf-star
  • Value Rating: StarStarStarStarhalf-star
  • Review Date: June 07, 2018 10:00
  • MSRP: $ 2199



  • Support for 11.2 channel configurations including Dolby Atmos, DTS:X 7.1.4 configurations and Auro-3D 10.1 with voice of God.
  • Alexa voice control along with IP, IR, and RS-232.
  • AirPlay 2 support via forthcoming firmware update.
  • 4K/60Hz full-rate passthrough, 4:4:4 color resolution, HDR (HDR10, Dolby Vision, and HLG), BT.2020.
  • Assignable amplification channels.
  • Three HDMI outputs. Two parallel and independently switchable Zone 2 HDMI.
  • Support for eARC and DTS Virtual:X (via forthcoming firmware update) add future-proofing value.
  • 32-bit AKM D/A converters on all channels and support for hi-res audio formats.
  • Built-in Heos multi-room audio streaming
  • Audyssey MultEQ XT32 including support for the Audyssey MultiEQ Editor app.


  • Full 7.1.4 Dolby Atmos and DTS:X setups requires external stereo amplifier.
  • Audyssey MultiEQ editing app isn't free.
  • Auro-3D 10.1 voice of God speaker takes up second subwoofer output.
  • Alexa voice control has limitations.
  • No Google Home integration.


Marantz’s SR7012 AVR is a powerhouse 9.2 channel receiver packed with the latest and greatest audio, video, streaming, and smart home technologies. The SR7012 will stand toe-to-toe with the competition at the $2k price-point.

The SR7012 sits just below Marantz’s flagship SR8012 AVR. Marantz’s SR8012 commands an $800 premium due to several differences such as a substantially larger power supply, which uses a Toroid vs ecore; a copper plated chassis; and two more on-board amplification channels (a total of 11). Whether or not Marantz’s SR7012 or SR8012 is a better value will depend on your specific performance and installation needs.

The SR7012 is billed as a 9.2-Channel receiver, reflecting its on-board amplifier channels. The Marantz can natively power a 7.1.2 or 5.1.4 Dolby Atmos/DTS:X and 9.1 Auro-3D immersive audio setups. However, the SR7012 has a cool little secret. It has an 11.2-channel preamp section capable of driving a full 7.1.4 Dolby Atmos/DTS:X setup or 10.1 Auro-3D if you add an additional two-channel amplifier.

Marantz Speaker labels

The SR7012 comes with a complete set of speaker cable labels that are color coded to the rear terminals to help you keep your connections organized.

The SR7012’s nine channels of on-board amplification are rated at 125w (with two channels driven into 8 ohms).  It's worth pausing and noting that Marantz, like many AV receiver companies, doesn't rate the receiver with All Channels Driven (ACD). Consumers, therefore, don't always truly know what performance they are getting from an AVR's amplification section. Here at Audioholics, we've called out manufacturers as you can see on our YouTube video, The A/V Receiver Power Ratings Game and advocated that all AVR manufacturers should provide power specs with all channels driven into 8 ohms for a true comparison.

Further, some companies cheat the specs by giving their power numbers into 6 ohms at 1kHz with 10% THD and only 1CH driven! Here at Audioholics we at least want a full bandwidth, two-channels driven into 8 ohms under 0.1% THD+N. It's good to see Marantz list the 2CH full bandwidth power rating first on their spec sheet and they also offer a 70% guarantee.

When we pressed Marantz on the meaning of their 70% guarantee, they reported the following:

SR7012 Rated Power Output: 90.5W x5ch (72.4% of 125W) at THD+N = 0.05%

S&V Magazine bench tested the SR7010 predecessor model and found it to deliver 83.2Wx7ch @ 0.1% THD or 103.4Wx7ch @ 1% THD, 8 ohms, 1kHz so there is no doubt that the SR7012 has quite a capable amp section for a receiver of this price class.

 AV Receiver Power Ratings Game YouTube Video Discussion

Marantz SR7012 rear panel

Detail of the Marantz SR7012's rear panel. The built-in amplification channels are assignable.

For added flexibility, the amp channels are assignable via the unit’s amp assign feature. In other words, you can assign certain amplification channels to power channels other than those labeled on the unit’s back panel. Height channels, for example, can be used to power another zone and you can biamp your front speakers. You can change channel assignments via the Marantz’s setup menu. Amp assign is a handy feature if you aren’t using all channels as intended or adding external amplification to the SR7012 and don’t want the internal amp channels to go to waste.

With a number of speaker layout options; the flexibility of assigning internal amps; the ability to add external amplification via pre-outs for all channels; and support for three independent audio zones, the SR7012 is flexible and scalable enough for everything from a high end home theater to a fully networked home.

Robust 4K/UHD video support 

Marantz HDMIThe SR7012 supports the latest and greatest 4K/UHD standards with 4K 60Hz full-rate pass-through, 4:4:4 color resolution, HDR10, Dolby Vision, and HLG pass-through, and support for the BT.2020 color gamut. It should be noted that previous generation AVRs didn’t support Dolby Vision and didn’t necessarily include HLG support. With LG, Oppo, and others now supporting Dolby Vision HDR and HLG HDR, this is an important feature update.

In my conversations with a representative from Marantz about the SR7012 and HDR support, they told me that Marantz is one of the few brands to offer firmware updates to older models with the various HDR formats going back three years. It's very rare indeed for a mainstream electronics company to offer that kind of firmware support. I felt it important to note and tip my hat to Marantz. Consumers can rest assured that they are getting a product that will have a longer lifespan in today's rapidly changing market.

You might recall from previous Audioholics articles that unlike HDR10 (which uses a single HDR grading for the entire film) Dolby Vision uses metadata. Thanks to the metadata, Dolby Vision HDR can be graded on a scene-by-scene or even down to a frame by frame basis.

In case you haven’t yet heard of it, HLG HDR is the standard for forthcoming 4K/UHD TV broadcasts. We are seeing almost all newly released products offering HLG HDR.

HDMI 3outWe are now at the point in the technology curve where HDR support has matured to encompass emerging standards. The end result is that you’ll get a bit more mileage out of your AVR than just a few years ago.

There are a total of eight HDMI inputs. Seven are on the back and one on the front. All support 4K/UHD and HDCP 2.2.  There are three HDMI outputs on the rear. The first two are parallel outputs, meaning they output the same signal. The third is an independently switched Zone 2 HDMI output. There’s no Zone 3 HDMI output even though the unit has three independent audio zones.

The SR7012 will support Enhanced Audio Return Channel or eARC via a future firmware update. eARC is a new standard that will support high bitrate audio and object-based 3D audio from your TV over a single HDMI cable. We’ll see more of eARC once HDMI 2.1 starts getting rolled out en masse. Note that if you want to use any audio return channel features with your TV, you must enable CEC support on both your TV and the Marantz. Otherwise, this feature will not work.

Rich support for lossless and streaming audio.

The SR7012’s audio support is robust. You’re better off looking at the unit’s spec sheet than a review for everything this AVR can do. Nevertheless, let’s look at some of the highlights.

HEOS multi-room streaming

The Marantz comes standard with HEOS. HEOS provides whole-home streaming to any HEOS-enabled speaker and is slowly becoming a standard offering for many of the AV brands under Sound United (which owns Marantz and Denon). HEOS is a direct competitor to Sonos and Yamaha’s MusicCast.

There’s a wide ecosystem of HEOS-enabled products available ( You can create speaker groups and individual zones with independent source and volume control for a true whole-home streaming solution. What’s really neat about the Marantz is that you can stream any of its inputs to a HEOS speaker or zone. Want to spin up some vinyl and stream it wirelessly around your house? You bet. Now that’s cool.

The HEOS app supports nearly a dozen of the most popular music services including Spotify, Pandora, Tidal, Deezer, SoundCloud, and Napster, and will connect to any DLNA server. HEOS supports all major hi-res audio formats such as DSD 2.8 and 5.6, FLAC, ALAC, and WAV.

Heos Streaming Inferface

The Heos app and musical interface were well designed and a pleasure to use.

I tested HEOS with Tidal, iHeartRadio and Amazon Music. I also used my Plex and Twonky music servers.  If you have a large digital music library on DLNA servers like I do, you’ll love the fact that the HEOS app is fast. It’s a refreshing change from DTS’ Play-Fi, which I use on my Anthem AVM 60. Comparatively speaking, DTS Play-Fi is painfully slow finding network servers.

The HEOS implementation provides advanced functionality if your DLNA server environment supports it. For example, loading my Twonky DLNA server on the HEOS app gave me full search capability. I could search by artists, albums, or tracks. Typically, you’re stuck with a hierarchical navigation menu that becomes time-consuming to scroll through. I don’t get any search capability with my Twonky server through DTS Play-Fi.

Audyssey app on Marantz display

Whatever music I played via Heos appeared on the Marantz's larger display. Only the Heos input and volume displays in the smaller, watch-face display.

As much as I love the HEOS interface and functionality, it’s not perfect. My biggest beef stems from its Amazon music support. The HEOS app is geared towards Amazon Music Unlimited—a paid subscription service on top of Amazon Prime.  If you’re an Amazon Prime subscriber and have a large music library, you can’t access any of your personal music through the HEOS app. This support is supposedly coming in a future update.

Nonetheless, HEOS is among my favorite hi-res streaming technologies out there. It’s slick, fast, intuitive, and has broad audio codec support.

SR7012 to Support AirPlay 2 via Firmware Update

AirPlay is a convenient technology for iOS-based devices.  Apple made a big splash last year with the announcement of AirPlay 2. AirPlay 2 will bring this long-in-the-tooth streaming technology up to snuff with today’s heavyweights. AirPlay 2 will sport whole home, multi-room streaming; HomeKit and Siri integration; multi-device control; improved buffering; and of course compatibility with Apple’s own HomePod speaker. Marantz was named by Apple as an AirPlay 2 partner.

Apple AirPlay 2

The SR7012 will support Apple's AirPlay 2 via firmware update.

According to Apple, AirPlay 2 controls are available across iOS within any app and in Control Center for quick access to what’s playing in every room, on every speaker. Apple Music subscribers can also ask Siri to play different songs in different rooms or the same song everywhere, without ever leaving the room. This fact now makes AirPlay 2 a center piece for a multi-vendor ecosystem.  Siri will be able to control music playing on speakers from Bang & Olufsen, Bluesound, Bose, Bowers & Wilkins, Denon, Libratone, Marantz, Marshall, Naim, Pioneer and Sonos.

The SR7012 is on the list of AVRs that will be upgradable to AirPlay 2 via a free firmware update. This is a big deal.  That makes the SR7012 among the first crop of AVRs that will be able to support Apple's new AirPlay 2 technology. Exactly when this update will be made available remains unclear. This news makes the SR7012 an even more compelling and flexible product, instantly adding Siri-style capability to the SR7012. You’ll have the choice of building out a whole-home ecosystem centered around HEOS, AirPlay 2, or both. It's going to be exciting to take AirPlay 2 for a spin on the Marantz AVRs.

DTS Virtual:X

The SR7012 is one of the first AVRs on the market to support DTS’ Virtual:X technology. DTS Virtual:X will be available as a free firmware update sometime soon.

Virtual:X takes any floor-level 2.x, 5.x, or 7.x setup and creates complete surround and virtual height effects. Virtual:X will work on any stereo PCM, DTS multichannel, or DTS:X-based content. While many competitors claim to perform such psychoacoustic magic, DTS Virtual:X promises to do so even when you don’t have the perfect room.

Marantz SR7012 front open panel

The Marantz SR7012's front panel pull down has convenient front panel inputs and a larger display screen that you can see from a distance and provides far more information about the incoming audio signal and channel configurations.

I had the opportunity last year to test out Virtual:X on a sound bar. I’m a believer. DTS Virtual:X was some of the best virtual processing technology I’ve experienced on a two-channel sound bar. For those who can’t install discrete height or surround speakers, this might be an alternative worth exploring.

Strong support for Dolby Atmos, DTS:X, and Auro-3D

Virtual technologies aside, if you want a true immersive audio experience, the SR7012 has you covered. As I mentioned at the beginning of the review, the SR7012 has the potential to support a full-blown 7.1.4 Dolby Atmos and DTS:X or 10.1 Auro-3D speaker layout. Using the Auro-3D Voice of God speaker requires both an external amplifier and taking up the subwoofer 2 output. If you use the VOG setup and have two subwoofers, you cannot independently EQ the second sub through the AVR.  That isn’t a big deal. We have always said here at Audioholics that subwoofers should have EQ applied as a sum.

Dolby Atmos and Auro-3D have incompatible speaker layouts (DTS:X can work on top of either). Therefore, if you want to have a single speaker setup in your home that will support all three immersive audio formats, then you’ll be happy to know that the Marantz SR7012 supports the so-called unified immersive audio speaker layout where you specify the front height and rear height speakers. Front and rear height speakers (as opposed to top front and rear height) provide compatibility with Dolby Atmos, DTS:X, and Auro-3D.

Hey Alexa

Amazon Alexa voice control is built in. An in-depth overview of Amazon Alexa is beyond the scope of this review. Suffice to say, with Alexa support, you’ll be able to use spoken words to execute basic commands such as power, volume, input switching. You can even call up songs and artists from streaming services.

I’m very familiar with Amazon Alexa. I’ve been using Amazon Alexa to voice-control my home theater via the iOS-based IP control system Simple Control. I’ve also set up Alexa support via Logitech’s Harmony Elite remote.

Using spoken commands is natural and liberating. Best of all, I didn’t need to reach for my iPhone or iPad to perform automated actions. Once I got accustomed to using voice commands with the SR7012, going back to the included remote control made me feel like Scotty in Star Trek IV sitting in front of a 1980s computer!

Scotty from Star Trek IV using computer

After using Alexa going back to your remote will make you feel like Scotty in Star Trek IV.

Unfortunately, Alexa isn’t perfect. Syntax issues will frustrate some users. You have to learn the order of commands properly or they won’t execute. Heed my advice: Don’t throw away that remote control just yet.

To control the SR7012, you’ll need an Alexa-enabled speaker. The cheapest entry-point is the $39.99 Amazon Echo Dot, which you can sometimes find on sale for as low as $29.99. Wherever you have an Alexa-based speaker in your home, you’ll be able to issue voice commands to the Marantz.

Setting up Alexa

Alexa doesn’t “just work” with the Marantz. There are several steps involved to set up Alexa control. First, you need to make sure that you have the HEOS app installed on your mobile device with a HEOS account. The HEOS app will automatically find the Marantz SR7012 on your network. I connected the SR7012 via Ethernet to my network and it appeared instantly in my HEOS app.

Note: As a technology professional, I strongly recommend that enthusiasts connect all their AV gear with Ethernet to eliminate potential Wi-Fi quirks).

The default name for the Marantz lists its full model number. Change it to something like, “Theater” or “Living Room” because you’ll need to use that name for voice control.  There’s a suggested list of Alexa-friendly names to use. I used “Marantz” and it worked just fine.

Alexa Skills

Once you have the Marantz connected to the HEOS app, you’ll need to set up Alexa control. Go to the skills menu in the Alexa mobile app or point your web browser to add the Marantz skill to your Alexa account.  You need to load the Marantz skill to let Alexa know how to execute specific voice commands on the SR7012.

The Alexa skills that worked exceptionally well were commands related to power, volume, and input selection. I felt very comfortable using them. Commands calling up songs or services were more hit or miss and I went back to my iOS app.

Alexa commands for Heos

A sample of some of the Alexa commands you can use with the SR7012.  

Basic commands for volume, power, etc. worked best. More complex commands calling up music services and songs were hit or miss.

If you want to expand Alexa control to other devices in your home, you’ll need a smart home control solution such as Crestron, Simple Control, or Logitech Harmony.  Once you integrate a smart home controller, you can issue a command like, “Alexa, turn on living room television” and it will control both the Marantz and every other device in your AV setup with a basic command set.

In short, Amazon Alexa is a superb addition to the Marantz’s feature set. However, we’re not quite living Star Trek yet. You should think of Alexa as a substitute for basic commands and not a total remote control replacement.

Support for Audyssey Mobile App

The SR7012 comes with the Audyssey MultEQ XT32 suite of room correction technologies. We’ve covered Audyssey extensively in the past including an interview with Audyssey’s Chris Kyriakakis. I won’t go into additional detail here.

What’s worth mentioning is that the Marantz 7012 is compatible with Audyssey’s mobile app. I received a copy of the mobile app for iOS towards the end of my review period, so I’ll only briefly touch upon it. I’ll have an expanded review in my forthcoming review of Denon's 8500H 13.2CH AV receiver.

Marantz SR7012 comes with the Audyssey MultiEQ XT32 suite

The SR7012 comes with the Audyssey MultiEQ XT32 suite of room correction products. 

From this menu, you can use the Marantz's "Amp Assign" feature to designate the channel function of certain amp modules.

The Audyssey mobile app is almost a complete substitute for the on-screen Audyssey calibration process. I first selected my speaker layout from the setup menu. Once in the app, I was able to turn speaker pairs on or off.

I liked using the mobile app far better than the on-screen interface. Audyssey communicates with the Marantz after each sweep and exchanges data. Be sure you have a strong Wi-Fi signal to speed up that process.

Audyssey Mobile App room correction results

A sample of the before and after graphs that the Audyssey Mobile App produces.

Unlike Anthem’s ARC, which allows you to use your mobile device’s built-in microphone, you still need to use the include Audyssey calibration microphone for your measurements. The Audyssey app features several key features that the on-screen Audyssey either doesn’t have or doesn’t do all that well.

For example, you can see your before and after results as a clean, clear graph via the app. You can now edit your correction curve—something you were unable to do previously via the receiver's OSD. The app also allows you to set a maximum EQ frequency, which in my opinion is one of the biggest features of the app. We know from Floyd Toole’s work that EQ is most effective at lower frequencies.

Audyssey Mobile App Marantz Display

When I connected the Audyssey Mobile app, the Marantz's front display showed me that the mobile app was in use.

Some people like to EQ only up to their room’s Schroeder frequency, which is typically between 200Hz and 250Hz in most residential rooms (and falls in line with Floyd Toole’s recommendations by the way). The Schroeder frequency, named after German Physicist Dr. Manfred Schroeder, is the crossover frequency at which your room stops resonating sound and starts reflecting/diffusing it. For the purposes of this review, I kept Audyssey at its default setting.

Audyssey mobile app limits frequency range

Through the mobile app, you can set a limit to the EQ frequency. Some users prefer to limit EQ below 5000Hz while others prefer to limit EQ to their room's Schroeder frequency.

The Audyssey app will allow you to save different measurements on your mobile device so you can call them up at a later time. I can’t tell you what a great feature this is having done countless measurements with different room correction systems.

The one area that I feel Audyssey still needs to address better is situations where you need to measure and recall different calibrations. For example, the most obvious and common scenario is when rooms have retractable screens. The room sonics with a screen up are typically different than with the screen down.  The audible differences can be significant.

Another such scenario is when you want to have an input dedicated to pure two-channel stereo with no subs. Of course, the potential use cases are many but rarely go above three or four. Marantz does have a pure-direct 2CH mode to bypass all processing (including room-EQ) for purists.

 Audyssey curve editor

An example of how the Audyssey EQ editor allows you to make adjustments to the EQ results.

Anthem’s ARC has this process down to a science. Anthem’s AVRs and pre-pros allow for virtual inputs. ARC allows you so save up to four different EQ profiles and assign them to different inputs. You could, therefore, have a “Blu-ray with Screen Up” Input and “Blu-ray with the screen down” input. You can also assign one input dedicated to running your font speakers full-range for two channel stereo. Switch to the appropriate input and you’re done. You have the right EQ setting every time.

Load multiple Audyssey profiles

The Audyssey MultiEQ Editor app allows you to store and easily load multiple EQ profiles into the AVR in about 90 seconds.

The Marantz-Audyssey combo isn’t as elegant—though it’s functional. You can perform different measurements and save them to your mobile device. You then need to upload those settings manually to the AVR every time you want to use them. The process takes about 90 seconds. Audyssey had a previous process for uploading saved configuration files but it took about 15 minutes to do and required a computer.  The current Audyssey solution is a huge leap forward, but it still needs work in my opinion. I hope that Marantz can work with Audyssey to implement a feature similar to Anthem’s in the future.

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