Onkyo TX-RZ630

    89
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    Highlights

    • 9.2 Channels
    • 9.1 Channel Processing
    • 90 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven)
    • Dolby Atmos, DTS:X
    • HDR10, Dolby Vision
    • 4K/60Hz Passthrough
    • Wi-Fi, Bluetooth, Ethernet
    • Phono Input
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    Disclosure: We earn money from the affiliate links to products associated with content in this article.

    Overview

    Onkyo TX-RZ630 was introduced in 2018. It is equipped with 9 channel amplifier with 90 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven) power per channel and is capable of 9.1 maximum channel processing. It supports Dolby Atmos and DTS:X, passes 4K/60Hz video signal.

    We evaluated the a/v receiver and gave 89 overall score out of 100. Our ranking system is based on the amplifier specifications, audio and video features, connectivity, multizone capabilities, radio and many other details.

    Amplifier
    87
    Audio Features
    88
    Video Features
    94
    Connectivity
    85
    Zones
    90
    Radio
    92
    OVERALL
    89

    For more details about the ranking please scroll down to an    Evaluation section.


    Here is a history of the series, where you can view and compare the main specifications of the receivers.

    Evolution of the series
    Model Year Chann. Power Dolby Atmos DTS:X HDR10 HDR10+ Dolby Vision Pass. Price
    TX-RZ630 Image cannot be found 2018 9.2 90 W 4K
    TX-RZ620 Image cannot be found 2017 7.2 100 W 4K
    TX-RZ610 Image cannot be found 2016 7.2 100 W 4K

    You can view their side-by-side comparison here: Onkyo TX-RZ630 vs TX-RZ620 vs TX-RZ610.

    Pros and Cons

    In this section we present pros and cons of Onkyo TX-RZ630.

    PROs

    •   9.1 Channel Processing
    •   Dolby Atmos
    •   DTS:X
    •   DSD via HDMI
    •   Auto Speaker Calibration System with Mic.
    •   HDR10
    •   Dolby Vision
    •   New HDCP Version
    •   Analog To HDMI Upconversion
    •   Wi-Fi
    •   Bluetooth
    •   Chromecast Built-In
    •   7 HDMI Inputs
    •   USB Input
    •   Many RCA Line Inputs
    •   Phono Input
    •   Composite Video Inputs
    •   Component Video Inputs
    •   Ethernet
    •   3 Zones
    •   Analog Tuner
    •   Pandora
    •   Spotify
    •   Tidal

    CONs

    •   No Front Wide Channel Support
    •   No Dolby Atmos Height Virtualization
    •   No IMAX Enhanced
    •   No Auro 3D with Auro-Matic Upmixer
    •   No HDR10+
    •   No eARC
    •   No 8K Passthrough
    •   Does not Work with Amazon Alexa
    •   0 8K Input
    •   No RCA Pre-Outs
    •   No Digital Radio

    And here are some specifications which fall into average criteria and are neither in PROs nor in CONs category:

    AVERAGE

    •   9.2 Channels
    •   Power Output - 90 W
    •   3 HDMI Outputs
    •   Bluetooth 4․1 + LE

    Onkyo 2018 Lineup

    In 2018 Onkyo released 7 new receivers. Here is the lineup:

    Onkyo 2018 Lineup
    ModelChannelsPowerMax. Ch. Proc.Pre OutsRoom Corr.Immersive AudioZones Price
    TX-RZ830 Image cannot be found 9.2120 W11.111.2 AccuEQ Advance with AccuReflex™Dolby Atmos
    DTS:X
    3
    TX-RZ730 Image cannot be found 9.2100 W11.111.2 AccuEQ Advance with AccuReflex™Dolby Atmos
    DTS:X
    3
    TX-RZ630 Image cannot be found 9.290 W9.1 AccuEQ Advance with AccuReflex™Dolby Atmos
    DTS:X
    3
    TX-NR787 Image cannot be found 9.2100 W9.1 AccuEQ Advance with AccuReflex™Dolby Atmos
    DTS:X
    3
    TX-NR686 Image cannot be found 7.2100 W7.1 AccuEQ with AccuReflex™Dolby Atmos
    DTS:X
    2
    TX-NR585 Image cannot be found 7.280 W7.1 AccuEQ with AccuReflex™2
    TX-SR383 Image cannot be found 7.280 W7.1 AccuEQDolby Atmos
    DTS:X
    2

    You can view their side-by-side comparison here: Onkyo TX-RZ830 vs TX-RZ730 vs TX-RZ630 vs TX-NR787 vs TX-NR686 vs TX-NR585.

    Predecessor

    Here we are comparing Onkyo TX-RZ630 to its predecessor TX-RZ620 and displaying the major changes.

    UPGRADES Onkyo TX-RZ630 vs Onkyo TX-RZ620
    More Channels 9.2 vs 7.2
    More Channel Processing 9.1 vs 7.1
    More Tone Control Channels All Channels vs Front L/R Channels
    More Advanced Auto Speaker Calibration System AccuEQ Advance with AccuReflex™ vs AccuEQ with AccuReflex™
    Works with SONOS requires firmware update & Sonos Connect vs
    AirPlay AirPlay 2 after firmware update vs AirPlay
    More HDMI Outputs 2 (1 Main, 1 Sub/Zone2) vs 2 (simultaneous)
    More Zones 3 vs 2
    More Powered Zones 2 and 3 vs 2
    Zone 2 Outs HDMI, RCA Line Out vs RCA Pre/Line Out
    Whole House Mode vs
    Bigger Power Supply 740 W vs 580 W
    DOWNGRADES Onkyo TX-RZ630 vs Onkyo TX-RZ620
    Lower Power Output 90 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven) vs 100 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven)
    Lower Power Output (8 Ω, 20 Hz - 20 kHz, 2 channel driven, FTC) 90 W (0.08% THD) vs 100 W (0.08% THD)

    For more detailed comparison between the models please visit Onkyo TX-RZ630 vs TX-RZ620.

    Audio Section

    9 channel Amplifier

    Onkyo TX-RZ630 features 9 channel power amplifier. It is rated at 90 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven) and is able to drive 4 ohm speakers.

    • Dynamic Audio Amplification: Onkyo TX-RZ630 features Dynamic Audio Amplification which is Onkyo’s amplification philosophy that focuses on capturing the energy and dynamism contained in the audio signal and reproducing it without loss. Audio signals are not static like a test tone, but rather a countless collection of constantly moving waves. While static measurements such as S/N ratio and Total Harmonic Distortion are important, Onkyo believes that excellent dynamic and transient response is the key to emotionally involving sound. Dynamism - the “life” in music - is achieved when the amp can respond to changes in the signal instantaneously, so notes start and stop naturally and the nuances in attack, decay, sustain, and release are voiced with conviction. Onkyo home theater receivers represent the culmination of almost 70 years’ experience in amplifier design. The unique elements of their amplification system comprise high-current, low-impedance architecture to accurately control large speaker cones while enabling instantaneous response to dynamic changes, and discrete wide-range amplifier circuit topology to eliminate phase shift for clear and accurate audio imaging.
    AMPLIFIER
    Channels9.2
    Power Output90 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven)
    Front Wide Channel Support
    Dynamic Audio Amplification
    Non-Phase Shift Amplifier
    VLSC (Vector Linear Shaping Circuitry) Front L/R channels
    THX™ Certification
    Continuous 6 Ω Rated
    Certified 4 Ω Performance
    Discrete Output Stage Circuitry
    Independent Block Construction (Amp/Preprocessor)
    Bi-amp Capability
    BTL (Bridged Transless or Bridging)

    Speaker Configurations

    Onkyo TX-RZ630's 9 channel amplifier can be assigned for different speaker configurations.

    • Dolby Atmos Configurations: The following speaker configurations are supported for Dolby Atmos:
    • 5.2.2, 5.2.4, 7.2.2 with internal amplifier.
    • DTS:X Configurations: The speaker configurations for DTS:X are the same as for Dolby Atmos:
    • 5.2.2, 5.2.4, 7.2.2 with internal amplifier.
    • Configurations without height channels: There are also other speaker configurations available which do not include height channels:
    • 5.2, 7.2 with internal amplifier.
    • 2-ch Bi-Amp: Onkyo TX-RZ630 allows you to bi-amp up to 2 main channels simultaneously. During bi-amplification two amplifiers are used for one speaker. One amplifier powers the midrange and tweeter section of the speaker and another amplifier powers the low frequency woofers. Each amplifier is less loaded and performs better. In order to use this feature speakers must have 2 pairs of connectors.
    Onkyo TX-RZ630

    Dolby Atmos

    Onkyo TX-RZ630 supports Dolby Atmos. It is a cinematic audio format in which sounds exist as individual entities, called audio objects. In Dolby Atmos, any sound can exist as an independent audio object, free of channel restrictions. They can be precisely placed and moved anywhere in your room, including overhead, to flow above and around you in three-dimensional space. Through the use of audio objects, overhead sound, and all the richness, clarity, and power of Dolby sound, Dolby Atmos turns your room into an amazing place for entertainment. The format supports up to 128 simultaneous independent audio objects in a mix for rich, realistic, and breathtaking sound. It recreates the director's original concept through descriptive metadata to provide customized playback for home theater and delivers sounds above you through overhead speakers, special upward-firing Dolby Atmos speakers, or a Dolby Atmos enabled sound bar.

    • Dolby Surround Upmixer: If the content is not mixed in Dolby Atmos then the Dolby surround upmixer will expand the audio to all channels including ceiling speakers. The upmixer has replaced the Dolby Pro Logic II family with improved upmixing algorithms.

    DTS:X

    Onkyo TX-RZ630 supports DTS:X. A technique used in DTS:X is similar to the one used in Dolby Atmos. Instead of a fixed number of channels, DTS:X defines object locations from the listener in polar coordinates. An a/v receiver then dynamically renders sound according to the current speaker configuration. The speaker layout employed by DTS:X is the sum of Dolby Atmos and Auro-3D. It has standard 7.1 channel base layer, a 5 channel height layer above the base layer on the front and side walls, and 3 rows of speakers on the ceiling.

    • DTS Neural:X: DTS Neural:X is an advanced upmixer that can take non DTS:X content and upmix it to the DTS:X speaker layout. It has replaced the DTS Neo family with improved flexibility.
    • DTS Dialog Control: This function adjusts the dialog levels during playback of the DTS:X stream. It allows you to separately increase the dialog levels in contrast with the background sound and hear dialog easily even under noisy circumstances.
    DECODING
    Dolby Atmos
    Dolby Atmos Height Virtualization
    Dolby Atmos Music
    Dolby TrueHD
    Dolby Digital Plus
    Dolby Surround Upmixer
    Dolby Pro Logic
    Dolby Digital EX
    THX Listening Modes
    DTS:X
    DTS Neural:X
    DTS Virtual:X
    DTS Neo
    DTS-HD Master Audio
    DTS-HD High Resolution Audio
    DTS 96/24
    DTS Express
    DTS-ES
    IMAX Enhanced
    Auro 3D with Auro-Matic Upmixer

    Sound Processing

    • Advanced Music Optimizer: Compressed music enhancement in Onkyo TX-RZ630 is done by Onkyo’s Advanced Music Optimizer. While MP3 or AAC files may sound fine through the headphones of your portable digital player, the limitations of these files can be exposed when played back through a quality home entertainment system. This is because a significant amount of high-frequency bit information is lost during the file-compression process. To counter this, Onkyo has designed the Advanced Music Optimizer to compensate for lost bit information and improve the quality of compressed audio signals. This results in a clearer and more expansive sound. Also included in this technology is a loudness correction feature that further improves the audio character of compressed files.

    Room Calibration

    Onkyo TX-RZ630 comes with AccuEQ Advance with AccuReflex™ room correction system and includes the calibration microphone.

    • AccuEQ: First, AccuEQ detects the presence of speakers and evaluates the impedance of each. Next, it pinpoints their distance relative to the main listening position using the mic and sets suitable sound-pressure levels. Then it selects the optimal crossover frequency so that deeper bass rolls smoothly off to the subwoofer. Finally, AccuEQ performs frequency response equalization based on room-acoustic and speaker data collected via microphone. The sound-field is now tailored around the listening position, resulting in a more immersive and realistic in-film experience.

    Video Section

    HDMI

    Onkyo TX-RZ630 features 7 HDMI inputs. It has 2 outputs: 1 Main and 1 Sub/Zone2.

    • 4K/60Hz Passthrough: All inputs pass up to 4K/60p (RGB/YCbCr4:4:4) video signal.
    • Analog To HDMI Upconversion: The a/v receiver supports video upconversion, so you can connect your analog Component and Composite video sources and Onkyo TX-RZ630 will output them via HDMI. This means that you will need only one HDMI cable to connect to your TV.
    • BT.2020 Color Space: BT.2020 or Rec. 2020 is a color standard which delivers a wider color gamut compared to Rec. 709. It covers approximately 75% of the total visual spectrum while the Rec. 709 covers only 35%.
    • HDCP 2.2 Copy Protection: All inputs and outputs are HDCP 2.2 compliant which is a requirement for 4K/HDR copy-protected content transmission.
    • 3D Ready: Onkyo TX-RZ630 is able to pass 3D video through HDMI.

    HDR (High Dynamic Range)

    Onkyo TX-RZ630 supports HDR (high dynamic range) video formats such as HDR10, Dolby Vision and Hybrid Log-Gamma. High dynamic range video has greater dynamic range than standard dynamic range (SDR) video with brighter whites and deeper blacks. The result is greater contrast and more details in dark and bright areas, better color and depth.

    • HDR10: HDR10 uses the wide-gamut Rec. 2020 color space. It sends static metadata via video stream to the TV which calibrates its screen brightness and color according to that. HDR10 supports 10-bit color which corresponds to 1024 shades of the primary RGB colors. It is technically limited to a maximum of 10,000 nits peak brightness, however common HDR10 contents are mastered with peak brightness from 1,000 to 4,000 nits.
    • Dolby Vision: Dolby Vision is a set of technologies developed by Dolby Laboratories for high dynamic range (HDR) video. It covers content creation, distribution, and playback. Like HDR10+, it includes dynamic metadata that are used to adjust and optimize each frame of the HDR video to the consumer display's capabilities in a way specified by the content creator. Dolby Vision allows for a maximum resolution of 8K up to 12-bit color depth, maximum peak brightness of 10,000 nits and a color gamut up to Rec. 2020. It uses Dolby's proprietary dynamic metadata defined in SMPTE ST 2094-10.
    • Hybrid Log-Gamma (HLG): The Hybrid Log-Gamma (HLG) is a transfer function developed mainly for HDR live video feed and over-the-air broadcasts. It is an HDR format that uses BT.2020 color primaries and a bitdepth of 10-bit. It is backward compatible with the transfer function of SDR and is designed to be better-suited for television broadcasting, where the metadata required for other HDR formats is not backward compatible with non-HDR displays. HLG defines a non-linear optical-electro transfer function, in which the lower half of the signal values use a gamma curve and the upper half of the signal values use a logarithmic curve.
    Onkyo TX-RZ630
    VIDEO FEATURES
    HDR10
    HDR10+
    Dynamic HDR
    BT.2020 color space
    Dolby Vision
    HLG (Hybrid Log Gamma)
    HDBaseT Compatible
    Enhanced Audio Return Channel (eARC)
    HDCP Version2.2
    QMS (Quick Media Switching)
    ALLM (Auto Low Latency Mode)
    VRR (Variable Refresh Rate)
    QFT (Quick Frame transport)
    3-D Ready
    Video Signal Passthroughup to 4K/60p (RGB/YCbCr4:4:4)
    Video Signal Upscaling

    Multi-zone Playback

    Onkyo TX-RZ630 offers multi-zone playback which allows you to play different input sources in 3 different rooms.


    Zone 2

    • Powered Zone 2: You can use the unit's 2 amplifier channels by connecting Zone 2 speakers directly to the speaker terminals. The remaining 7 channels will be left for main zone amplification.
    • HDMI Output: Onkyo TX-RZ630 offers HDMI output for Zone 2. This means that it can send two different HDMI signals to two displays.
    • Audio Line Output: If you have a dedicated integrated amplifier for Zone 2 you can connect it to the a/v receiver via line outs by sending fixed signal and then control volume on the Zone 2 amplifier.

    Zone 3

    • Powered Zone 3: You can use the unit's 2 amplifier channels by connecting Zone 3 speakers directly to the speaker terminals. The remaining 7 channels will be left for main zone amplification.
    ZONES
    Number of Zones3
    Powered Zones 2 and 3
    Zone 2 OutsHDMI, RCA Line Out
    Zone 3 Outs
    Whole House Mode
    RS-232C Interface
    +12V Trigger Output1 (MAIN, 100 mA)
    Remote (IR) Input/Output1 / 0

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    Inputs and Outputs

    Audio

    • Phono Input: There is an MM phono input with built-in phono stage for connecting the moving magnet cartridge output of the turntable directly to the a/v receiver.
    • Analog Line Inputs: There are 6 line inputs for analog audio connection.
    • Digital Inputs: 2 optical inputs and 1 coaxial input are available for digital audio connection.
    • Headphone Output: There is a 6.3 mm (1/4") headphone output jack on the front panel.

    Video

    • HDMI:
    • Inputs: 7 (1 front)   Outputs: 2 (1 Main, 1 Sub/Zone2)
      8K Inputs: 0
    • Composite Video: Connect you VCR, Laserdisc player and other old video equipment with composite video cables.
    • Inputs: 2   Outputs: 0
    • Component Video: Component video connection gives you the higher quality video compared to the composite video connection. So in case your old DVD player and other equipment do not have an HDMI output but have Component video output use this connection over the composite one. Onkyo TX-RZ630 supports up to 480i/576i resolution on Component video connectors.
    • Inputs: 2   Outputs: 0

    Front A/V Inputs

    • HDMI, Mini-Jack
    Image cannot be found
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    TERMINALS
    HDMI Inputs7 (1 front)
    HDMI Outputs2 (1 Main, 1 Sub/Zone2)
    8K Inputs
    USB Input1 (Rear)
    USB DC Out Port
    Optical Inputs2
    Optical Outputs
    Coaxial Inputs1
    RCA Line Inputs7 (1 Front)
    RCA Line Outputs
    XLR Line Inputs
    Phono Input
    Multi-Channel Input
    RCA Pre-Outs0.2
    XLR Pre-outs
    Composite Video Inputs2
    Composite Video Outputs
    S-Video Inputs
    S-Video Outputs
    Component Video Inputs2
    Component Video Outputs

    Onkyo TX-RZ630 Evaluation

    We evaluate Onkyo TX-RZ630 and give score of 89 out of 100. We also give separate scores for 6 different categories according to the available features and specifications some of which are listed below. These evaluations are relative and may change each time a new receiver is added to the database.


    OVERALL
    89

    Amplifier

    EXCELLENT
    87

    We give Onkyo TX-RZ630 a score of 87 for Amplifier features.

    •   9.2 Channels
    •   Power Output - 90 W

    Audio Features

    EXCELLENT
    88

    We give Onkyo TX-RZ630 a score of 88 for Audio Features features.

    •   9.2 Channels
    •   No Front Wide Channel Support
    •   9.1 Channel Processing
    •   Dolby Atmos
    •   No Dolby Atmos Height Virtualization
    •   DTS:X
    •   No IMAX Enhanced
    •   No Auro 3D with Auro-Matic Upmixer
    •   DSD via HDMI

    Video Features

    EXCELLENT
    94

    We give Onkyo TX-RZ630 a score of 94 for Video Features features.

    •   HDR10
    •   No HDR10+
    •   Dolby Vision
    •   No 8K Passthrough
    •   Analog To HDMI Upconversion

    Connectivity

    EXCELLENT
    85

    We give Onkyo TX-RZ630 a score of 85 for Connectivity features.

    •   No eARC
    •   New HDCP Version
    •   Wi-Fi
    •   Bluetooth
    •   Does not Work with Amazon Alexa
    •   Chromecast Built-In
    •   7 HDMI Inputs
    •   3 HDMI Outputs
    •   0 8K Input
    •   USB Input
    •   Many RCA Line Inputs
    •   Phono Input
    •   No RCA Pre-Outs
    •   Composite Video Inputs
    •   Component Video Inputs
    •   Ethernet
    •   Bluetooth 4․1 + LE

    Zones

    EXCELLENT
    90

    We give Onkyo TX-RZ630 a score of 90 for Zones features.

    •   3 Zones

    Radio

    EXCELLENT
    92

    We give Onkyo TX-RZ630 a score of 92 for Radio features.

    •   Analog Tuner
    •   Pandora
    •   Spotify
    •   Tidal


    For a full specification list please go to the specifications page:

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