Onkyo TX-NR686 vs Sony STR-DN1080

      Onkyo TX-NR686

      Sony STR-DN1080
      88
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      80
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      North America
      Taiwan Europe Australia and Asia
      USA and Canada
      Europe Oceania
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      Highlights

      • 7.2 Channels
      • 7.1 Channel Processing
      • 100 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven)
      • THX™Select™ Certified
      • Dolby Atmos, DTS:X
      • HDR10, Dolby Vision
      • 4K/60Hz Passthrough
      • Wi-Fi, Bluetooth, Ethernet
      • Phono Input

      Highlights

      • 7.2 Channels
      • 7ch + Phantom 2ch Channel Processing
      • 100 W (6 Ω, 20 Hz - 20 kHz, 2 channel driven)
      • Dolby Atmos, DTS:X
      • HDR10, Dolby Vision
      • 4K/60Hz Passthrough
      • Wi-Fi, Bluetooth, Ethernet

      Disclosure: We earn money from the affiliate links to products associated with content in this article.

      Table of Contents
      1. Overview
      2. Pros and Cons
      3. Advantage of Onkyo TX-NR686
      4. Advantage of Sony STR-DN1080
      5. Common Strengths and Weaknesses
      6. Amplifier
      7. Speaker Configurations
      8. Immersive Audio Formats
      9. HDMI
      10. Inputs and Outputs
      11. Evaluations
      12. Specifications

      1. Overview

      Here we are comparing Onkyo TX-NR686 to Sony STR-DN1080 to reveal their common strengths and weaknesses as well as the differences between them which will help you in making a correct decision before the purchase. Both receivers have 7 channel amplifiers.


      Onkyo TX-NR686 Sony STR-DN1080

      Onkyo TX-NR686 was introduced in 2018. It is equipped with 7 channel amplifier with 100 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven) power per channel and is capable of 7.1 maximum channel processing. It supports Dolby Atmos and DTS:X, passes 4K/60Hz video signal.

      Sony STR-DN1080 was introduced in 2017. It is equipped with 7 channel amplifier with 100 W (6 Ω, 20 Hz - 20 kHz, 2 channel driven) power per channel and is capable of 7ch + Phantom 2ch maximum channel processing. It supports Dolby Atmos and DTS:X, passes 4K/60Hz video signal.

      We evaluated Onkyo TX-NR686 and Sony STR-DN1080 and gave them scores of 88 and 80 out of 100 recpectively. Our ranking system is based on the amplifier specifications, audio and video features, connectivity, multizone capabilities, radio and many other details.

      Onkyo TX-NR686

      Sony STR-DN1080

      Amplifier
      89
      Amplifier
      69
      Audio Features
      86
      Audio Features
      86
      Video Features
      94
      Video Features
      94
      Connectivity
      85
      Connectivity
      80
      Zones
      77
      Zones
      81
      Radio
      92
      Radio
      58
      OVERALL
      88
      OVERALL
      80

      For more details about the ranking please go to    Evaluations section.

      2. Pros and Cons

      In this section we present pros and cons of Onkyo TX-NR686 and Sony STR-DN1080.

      PROS

      Onkyo TX-NR686

      Sony STR-DN1080

      •   THX™ Certification
      •   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
      •   Analog Tuner
      •   Pandora
      •   Spotify
      •   Tidal
      •   Dolby Atmos
      •   DTS:X
      •   DSD via HDMI
      •   Auto Speaker Calibration System with Mic.
      •   HDR10
      •   Dolby Vision
      •   eARC
      •   New HDCP Version
      •   Wi-Fi
      •   Bluetooth
      •   Chromecast Built-In
      •   USB Input
      •   Composite Video Inputs
      •   Ethernet
      •   Analog Tuner
      •   Spotify

      CONS

      Onkyo TX-NR686

      Sony STR-DN1080

      •   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
      •   No Front Wide Channel Support
      •   No Dolby Atmos Height Virtualization
      •   No IMAX Enhanced
      •   No Auro 3D with Auro-Matic Upmixer
      •   No 360 Reality Audio
      •   No HDR10+
      •   No 8K Passthrough
      •   Does not Work with Amazon Alexa
      •   0 8K Input
      •   No Phono Input
      •   No RCA Pre-Outs
      •   No Digital Radio
      •   No Pandora
      •   No Tidal


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

      AVERAGE

      Onkyo TX-NR686

      Sony STR-DN1080

      •   7.2 Channels
      •   Power Output - 100 W
      •   7.1 Channel Processing
      •   2 HDMI Outputs
      •   2 Zones
      •   Bluetooth 4․1 + LE
      •   7.2 Channels
      •   Power Output - 100 W
      •   7ch + Phantom 2ch Channel Processing
      •   6 HDMI Inputs
      •   3 HDMI Outputs
      •   RCA Line Inputs
      •   2 Zones
      •   Bluetooth 4․1

      3. Advantage of Onkyo TX-NR686

      This section shows those features and specifications which are the reason to choose Onkyo TX-NR686 over Sony STR-DN1080.

      Check the Price

      Onkyo TX-NR686
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      Onkyo TX-NR686 vs Sony STR-DN1080
      THX™ Certification Select™ (previously known as Select2) vs
      Certified 4 Ω Performance vs
      High Resolution Audio Formats via USB FLAC, WAV, Apple Lossless, DSD, AIFF, AAC, Dolby TrueHD vs WAV, FLAC, AIFF, DSD
      DTS Dialog Control vs
      Analog To HDMI Upconversion Component**, Composite vs
      Works with SONOS requires firmware update & Sonos Connect vs
      DTS Play-Fi vs
      AirPlay AirPlay 2 after firmware update vs AirPlay
      More HDMI Inputs 7 (1 front) vs 6
      More Optical Inputs 2 vs 1
      More RCA Line Inputs 7 (1 Front) vs 4
      Phono Input vs
      More Component Video Inputs 2 vs
      Front A/V Inputs HDMI, Mini-Jack vs USB
      More GUI Languages 7 vs 3
      Analog Tuner FM/AM vs FM
      More Presets 40 vs 30 (30/-)
      Pandora vs
      Tidal vs
      Deezer vs
      Bigger Power Supply 580 W vs 240 W
      Higher S/N Ratio (Line, IHF-A) 106 dB vs 105 dB (500 mV)

      4. Advantage of Sony STR-DN1080

      This section shows those features and specifications which are the reason to choose Sony STR-DN1080 over Onkyo TX-NR686.

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      Sony STR-DN1080
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      Onkyo TX-NR686 vs Sony STR-DN1080
      More Channel Processing 7.1 vs 7ch + Phantom 2ch
      Network Audio Formats FLAC, WAV, Apple Lossless, WMA, MP3, DSD, AIFF, MPEG-4 AAC, LPCM vs WAV, FLAC, AIFF, DSD, MP3, WMA, LPCM, Dolby Digital, Apple Lossless, OGG, APE
      Music Playback via USB FLAC, WAV, Apple Lossless, WMA, MP3, DSD, AIFF, AAC, Dolby TrueHD vs WAV, FLAC, AIFF, DSD, MP3, WMA, LPCM, Dolby Digital, Apple Lossless, OGG, APE
      Dialogue Lift vs Center Speaker Lift Up
      More Tone Control Channels Front L/R Channels vs All Channels
      High-resolution Music Enhancer vs DSEE HX
      Enhanced Audio Return Channel (eARC) vs
      More HDMI Outputs 2 (simultaneous) vs 2 (1 Main, 1 Sub/Zone2)
      More Composite Video Outputs vs 1
      Speaker A/B vs
      Zone 2 Outs RCA Line Out vs HDMI, RCA Pre/Line Out
      Remote (IR) Input/Output 0 / 0 vs 1 / 1

      5. Common Strengths and Weaknesses

      We already listed pros and cons of each model. However, you may also find useful to look at their common strengths and weaknesses shown side-by-side.

      STRENGTHS Onkyo TX-NR686 Sony STR-DN1080
        Dolby Atmos up to 5.1.2 plus 2 phantom rear surround channels
        DTS:X up to 5.1.2 plus 2 phantom rear surround channels
        DSD via HDMI 2-ch/Multi-ch Input 2-ch/Multi-ch Input
        Auto Speaker Calibration System with Mic. AccuEQ with AccuReflex™ D.C.A.C. EX
        HDR10
        Dolby Vision
        New HDCP Version2.22.2
        Wi-Fi
        Bluetooth SBC, AAC SBC, AAC, LDAC
        Chromecast Built-In
        USB Input1 (Rear)1 (Front)
        Composite Video Inputs22
        Ethernet
        Analog Tuner FM/AM FM
        Spotify
      WEAKNESSES Onkyo TX-NR686 Sony STR-DN1080
        No Front Wide Channel Support
        No Dolby Atmos Height Virtualization
        No IMAX Enhanced
        No Auro 3D with Auro-Matic Upmixer
        No HDR10+
        No 8K Passthroughup to 4K/60p (RGB/YCbCr4:4:4)up to 4K/60p (YCbCr4:4:4)
        Does not Work with Amazon Alexa
        Few 8K Inputs
        No RCA Pre-Outs0.20.2
        No Digital Radio

      6. Amplifier

      Onkyo TX-NR686 Sony STR-DN1080

      7 channel Linear Class A/B Amplifier: Onkyo TX-NR686 features 7 channel power amplifier with Linear Class A/B design. It is rated at 100 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven) and is able to drive 4 ohm speakers.

      7 channel Amplifier: Sony STR-DN1080 features 7 channel power amplifier. It is rated at 100 W (6 Ω, 20 Hz - 20 kHz, 2 channel driven).
      • Dynamic Audio Amplification: Onkyo TX-NR686 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.

      THX™ Select™ (previously known as Select2) certification

      Onkyo TX-NR686 is THX™ Select™ (previously known as Select2) certified. This means that it is for medium sized rooms, up to 2,000 cubic feet in size, with a 10-12 foot viewing distance from the screen.

      AMPLIFIER Onkyo TX-NR686 Sony STR-DN1080
      Channels7.27.2
      Power Output100 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven)100 W (6 Ω, 20 Hz - 20 kHz, 2 channel driven)
      Front Wide Channel Support
      THX™ Certification Select™ (previously known as Select2)
      Continuous 6 Ω Rated
      Certified 4 Ω Performance
      Bi-amp Capability

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      Onkyo TX-NR686
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      7. Speaker Configurations

      Onkyo TX-NR686's and Sony STR-DN1080's amplifiers can be assigned for different speaker configurations.

      • Dolby Atmos Configurations: The following speaker configurations are supported for Dolby Atmos:
      • Onkyo TX-NR686: 5.2.2 with internal amplifier.
      • Sony STR-DN1080: 5.2.2 with internal amplifier.
      • DTS:X Configurations: The following speaker configurations are supported for DTS:X:
      • Onkyo TX-NR686: The speaker configurations for DTS:X are the same as for Dolby Atmos - 5.2.2 with internal amplifier.
      • Sony STR-DN1080: The speaker configurations for DTS:X are the same as for Dolby Atmos - 5.2.2 with internal amplifier.
      • Configurations without height channels: There are also other speaker configurations available which do not include height channels:
      • Onkyo TX-NR686: 5.2, 7.2 with internal amplifier.
      • Sony STR-DN1080: 5.2, 7.2 with internal amplifier.
      • 2-ch Bi-Amp: Both models are able 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.

      8. Immersive Audio Formats

      Dolby Atmos

      Onkyo TX-NR686 and Sony STR-DN1080 support Dolby Atmos.

      • Dolby Surround Upmixer: Both models support 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-NR686 and Sony STR-DN1080 support DTS:X.

      • DTS Neural:X: Both models feature DTS Neural:X which 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: Onkyo TX-NR686 supports 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.
      AUDIO DECODING Onkyo TX-NR686 Sony STR-DN1080
      Dolby Atmos up to 5.1.2 plus 2 phantom rear surround channels
      Dolby Atmos Height Virtualization
      Dolby Atmos Music
      Dolby TrueHD
      Dolby Digital Plus
      Dolby Surround Upmixer
      Dolby Pro Logic
      Dolby Digital EX
      DTS:X up to 5.1.2 plus 2 phantom rear surround channels
      DTS Neural:X
      DTS Virtual:X
      DTS Neo
      DTS-HD Master Audio
      DTS-HD High Resolution Audio
      DTS 96/24
      DTS Express
      DTS-ES Discrete 6.1, Matrix 6.1
      IMAX Enhanced
      Auro 3D with Auro-Matic Upmixer

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      Sony STR-DN1080
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      9. HDMI

      Onkyo TX-NR686 comes with 7 HDMI inputs. It has 2 outputs which work parallelly and output the same signal.

      Sony STR-DN1080 comes with 6 HDMI inputs. It has 2 outputs - 1 Main and 1 Sub/Zone2.

      • 4K/60Hz Passthrough: On both receivers all inputs pass up to 4K/60p (RGB/YCbCr4:4:4) video signal.
      • Analog To HDMI Upconversion: Onkyo TX-NR686 supports analog to HDMI Upconversion, so you can input your analog video sources and output them digitally 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% (available on both models).
      • HDCP 2.2 Copy Protection: Both receivers are HDCP 2.2 compliant which is a requirement for 4K/HDR copy-protected content transmission.
      • 3D Ready: Both receivers are able to pass 3D video through HDMI.

      HDR (High Dynamic Range)

      Both receivers support 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.


      Enhanced Audio Return Channel (eARC)

      Sony STR-DN1080 supports Audio Return Channel (ARC) which allows the compatible TV to send audio signal to the a/v receiver through the same HDMI cable which is used to send audio and video signals to the TV. So one HDMI cable is used to transfer audio signal in both directions. New Enhanced ARC will support uncompressed audio formats such as Dolby Atmos, DTS:X, Dolby TrueHD and DTS HD Master Audio whereas the previous ARC could support only Dolby Digital, Dolby Digital Plus, DTS, DTS HD, and PCM.



      VIDEO FEATURES Onkyo TX-NR686 Sony STR-DN1080
      HDR10
      HDR10+
      Dynamic HDR
      BT.2020 color space
      Dolby Vision
      HLG (Hybrid Log Gamma)
      HDBaseT Compatible
      Enhanced Audio Return Channel (eARC)
      HDCP Version2.22.2
      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)up to 4K/60p (YCbCr4:4:4)
      Video Signal Upscaling

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      Onkyo TX-NR686
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      10. Inputs and Outputs

      Audio

      • Phono Input: There is an MM phono input on Onkyo TX-NR686 with built-in phono stage for connecting the moving magnet cartridge output of the turntable directly to the receiver.
      • Analog Line Inputs: There are 7 pair of line inputs on Onkyo TX-NR686 and 4 pair of line inputs on Sony STR-DN1080 for connecting sources with analog outputs.
      • Digital Inputs: 2 optical inputs and 1 coaxial input are available on Onkyo TX-NR686 and 1 optical input and 1 coaxial input are available on Sony STR-DN1080 for digital audio connections.
      • Headphone Output: There is a 6.3 mm (1/4") headphone output jack on the front panel of each receiver.

      Video

      • HDMI:
      • Onkyo TX-NR686
        Inputs:         7 (1 front)   Outputs: 2 (simultaneous)
        8K Inputs: 0.
      • Sony STR-DN1080
        Inputs:         6   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.
      • Onkyo TX-NR686
        Inputs:         2   Outputs: 0.
      • Sony STR-DN1080
        Inputs:         2   Outputs: 1.
      • 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-NR686 supports up to 480i/576i resolution on Component video connectors. resolution on Component video connectors.
      • Onkyo TX-NR686
        Inputs:         2   Outputs: 0.
      • Sony STR-DN1080
        Inputs:         0   Outputs: 0.

      Front A/V Inputs

      • Onkyo TX-NR686: HDMI, Mini-Jack
      • Sony STR-DN1080: USB

      Onkyo TX-NR686

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      Sony STR-DN1080

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      TERMINALS Onkyo TX-NR686 Sony STR-DN1080
      HDMI Inputs7 (1 front)6
      HDMI Outputs2 (simultaneous)2 (1 Main, 1 Sub/Zone2)
      8K Inputs
      USB Input1 (Rear)1 (Front)
      USB DC Out Port
      Optical Inputs21
      Optical Outputs
      Coaxial Inputs11
      RCA Line Inputs7 (1 Front)4
      RCA Line Outputs
      XLR Line Inputs
      Phono Input
      Multi-Channel Input
      RCA Pre-Outs0.20.2
      XLR Pre-outs
      Composite Video Inputs22
      Composite Video Outputs1
      S-Video Inputs
      S-Video Outputs
      Component Video Inputs2
      Component Video Outputs

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      Sony STR-DN1080
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      11. Evaluations

      We evaluated Onkyo TX-NR686 and Sony STR-DN1080 and gave them scores of 88 and 80 out of 100 recpectively. We also gave separate scores for 7 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.


      Onkyo TX-NR686

      Sony STR-DN1080

      OVERALL
      88
      OVERALL
      80

      Amplifier

      EXCELLENT
      89
      •   7.2 Channels
      •   Power Output - 100 W
      •   THX™ Certification
      AVERAGE
      69
      •   7.2 Channels
      •   Power Output - 100 W

      Audio Features

      EXCELLENT
      86
      •   7.2 Channels
      •   No Front Wide Channel Support
      •   7.1 Channel Processing
      •   Dolby Atmos
      •   No Dolby Atmos Height Virtualization
      •   DTS:X
      •   No IMAX Enhanced
      •   No Auro 3D with Auro-Matic Upmixer
      •   DSD via HDMI
      EXCELLENT
      86
      •   7.2 Channels
      •   No Front Wide Channel Support
      •   7ch + Phantom 2ch Channel Processing
      •   Dolby Atmos
      •   No Dolby Atmos Height Virtualization
      •   DTS:X
      •   No IMAX Enhanced
      •   No Auro 3D with Auro-Matic Upmixer
      •   No 360 Reality Audio
      •   DSD via HDMI

      Video Features

      EXCELLENT
      94
      •   HDR10
      •   No HDR10+
      •   Dolby Vision
      •   No 8K Passthrough
      •   Analog To HDMI Upconversion
      EXCELLENT
      94
      •   HDR10
      •   No HDR10+
      •   Dolby Vision
      •   No 8K Passthrough

      Connectivity

      EXCELLENT
      85
      •   No eARC
      •   New HDCP Version
      •   Wi-Fi
      •   Bluetooth
      •   Does not Work with Amazon Alexa
      •   Chromecast Built-In
      •   7 HDMI Inputs
      •   2 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
      GOOD
      80
      •   eARC
      •   New HDCP Version
      •   Wi-Fi
      •   Bluetooth
      •   Does not Work with Amazon Alexa
      •   Chromecast Built-In
      •   6 HDMI Inputs
      •   3 HDMI Outputs
      •   0 8K Input
      •   USB Input
      •   RCA Line Inputs
      •   No Phono Input
      •   No RCA Pre-Outs
      •   Composite Video Inputs
      •   Ethernet
      •   Bluetooth 4․1

      Zones

      GOOD
      77
      •   2 Zones
      GOOD
      81
      •   2 Zones

      Radio

      EXCELLENT
      92
      •   Analog Tuner
      •   Pandora
      •   Spotify
      •   Tidal
      AVERAGE
      58
      •   Analog Tuner
      •   No Pandora
      •   Spotify
      •   No Tidal

      12. Specifications

      GENERAL Onkyo TX-NR686 Sony STR-DN1080
      BrandOnkyoSony
      ModelTX-NR686STR-DN1080
      TypeA/V ReceiverA/V Receiver
      CountryNorth AmericaUSA and Canada
      Release Year20182017
      PredecessorOnkyo TX-NR676 Sony STR-DN1070
      SuccessorOnkyo TX-NR696 Sony STR-AN1000
      AMPLIFIER Onkyo TX-NR686 Sony STR-DN1080
      Channels7.27.2
      Power Output100 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven)100 W (6 Ω, 20 Hz - 20 kHz, 2 channel driven)
      Front Wide Channel Support
      Amplifier DesignLinear Class A/B
      Dynamic Audio Amplification
      Non-Phase Shift Amplifier
      VLSC (Vector Linear Shaping Circuitry) Front L/R channels
      Optimum Gain Volume Circuitry
      THX™ Certification Select™ (previously known as Select2)
      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)
      AUDIO FEATURES Onkyo TX-NR686 Sony STR-DN1080
      Digital Signal Processing (DSP) Engine32-bit Digital Signal Processing Engines
      DACAKM AK4458
      DAC Specs384 kHz/32 Bit
      Maximum Channel Processing7.17ch + Phantom 2ch
      Air Studios Monitor Certification
      Dolby Atmos up to 5.1.2 plus 2 phantom rear surround channels
      Dolby Atmos Height Virtualization
      Dolby Atmos Music
      Dolby TrueHD
      Dolby Digital Plus
      Dolby Surround Upmixer
      Dolby Pro Logic
      Dolby Digital EX
      THX Listening Modes
      Surround EX
      DTS:X up to 5.1.2 plus 2 phantom rear surround channels
      DTS Neural:X
      DTS Virtual:X
      DTS Neo
      DTS-HD Master Audio
      DTS-HD High Resolution Audio
      DTS 96/24
      DTS Express
      DTS-ES Discrete 6.1, Matrix 6.1
      IMAX Enhanced
      Auro 3D with Auro-Matic Upmixer
      360 Reality Audio
      PCM 2-ch/Multi-ch Input 2-ch/Multi-ch Input
      Network Audio FormatsFLAC, WAV, Apple Lossless, WMA, MP3, DSD, AIFF, MPEG-4 AAC, LPCMWAV, FLAC, AIFF, DSD, MP3, WMA, LPCM, Dolby Digital, Apple Lossless, OGG, APE
      Music Playback via USBFLAC, WAV, Apple Lossless, WMA, MP3, DSD, AIFF, AAC, Dolby TrueHDWAV, FLAC, AIFF, DSD, MP3, WMA, LPCM, Dolby Digital, Apple Lossless, OGG, APE
      High Resolution Music Playback via USB and/or Network up to 192 kHz up to 192 kHz
      High Resolution Audio Formats via USBFLAC, WAV, Apple Lossless, DSD, AIFF, AAC, Dolby TrueHDWAV, FLAC, AIFF, DSD
      Gapless Playback
      DSD via HDMI 2-ch/Multi-ch Input 2-ch/Multi-ch Input
      DSD via USB 2-ch Input 2-ch Input
      DSD to PCM Converter
      USB DAC
      Jitter Reduction PLL (Phase Locked Loop) Jitter-Cleaning Circuit Technology for S/PDIF Audio
      DTS Dialogue Control
      Dialog Enhancement
      Dialog normalization
      Dialogue Lift Center Speaker Lift Up
      Digital Legato Linear
      In-Ceiling Speaker Mode
      OP Processing
      Sound Optimizer
      Tone Control Front L/R Channels All Channels
      Compressed Music Enhancer Advanced Music Optimizer (bluetooth included)
      High-resolution Music Enhancer DSEE HX
      THX Processing Mode
      Audyssey Dynamic EQ
      Audyssey Dynamic Volume
      Audyssey LFC
      Audyssey Sub EQ HT
      Audyssey DSX
      Phase-Matching Bass Boost
      Direct Mode
      Pure Audio Mode
      Pure Direct Analog Path Mode
      Pure Direct Mode
      Virtual Speakers T-D (Theater-Dimensional)
      CALIBRATION Onkyo TX-NR686 Sony STR-DN1080
      Auto Speaker Calibration System with Mic. AccuEQ with AccuReflex™ D.C.A.C. EX
      Calibration MicrophoneStereo
      Speaker Relocation
      Automatic Phase Matching
      VIDEO FEATURES Onkyo TX-NR686 Sony STR-DN1080
      HDR10
      HDR10+
      Dynamic HDR
      BT.2020 color space
      Dolby Vision
      HLG (Hybrid Log Gamma)
      HDBaseT Compatible
      Enhanced Audio Return Channel (eARC)
      HDCP Version2.22.2
      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)up to 4K/60p (YCbCr4:4:4)
      Video Signal Upscaling
      Analog To HDMI Upconversion Component**, Composite
      Component Video Upscaling
      Analog to Analog Video conversion
      Component Video Maximum Resolution480i/576i
      isf Certified Calibration Control
      CONNECTIVITY Onkyo TX-NR686 Sony STR-DN1080
      Wi-Fi
      Bluetooth SBC, AAC SBC, AAC, LDAC
      Works with Amazon Alexa
      Chromecast Built-In
      Works with SonoS requires firmware update & Sonos Connect
      DTS Play-Fi
      MHL Input
      DLNA 1.5
      Music Connect
      Remote Monitoring with ihiji
      AirPlay AirPlay 2 after firmware update AirPlay
      Apple Product Connection iPod, iPhone and iPad iPod, iPhone and iPad
      Remote AppOnkyo Remote App for iPod touch/iPhone and Android-Powered Devices
      InstaPrevue Input Source Prevue
      TERMINALS Onkyo TX-NR686 Sony STR-DN1080
      HDMI Inputs7 (1 front)6
      HDMI Outputs2 (simultaneous)2 (1 Main, 1 Sub/Zone2)
      8K Inputs
      USB Input1 (Rear)1 (Front)
      USB DC Out Port
      Optical Inputs21
      Optical Outputs
      Coaxial Inputs11
      RCA Line Inputs7 (1 Front)4
      RCA Line Outputs
      XLR Line Inputs
      Phono Input
      Multi-Channel Input
      RCA Pre-Outs0.20.2
      XLR Pre-outs
      Composite Video Inputs22
      Composite Video Outputs1
      S-Video Inputs
      S-Video Outputs
      Component Video Inputs2
      Component Video Outputs
      Ethernet
      Ethernet Switch
      PC In
      Front A/V InputsHDMI, Mini-JackUSB
      Speaker A/B
      Headphone Out6.3 mm (1/4")6.3 mm (1/4")
      Detachable Power Cord
      uport
      ZONES Onkyo TX-NR686 Sony STR-DN1080
      Number of Zones22
      Powered Zones 2 2
      Zone 2 OutsRCA Line OutHDMI, RCA Pre/Line Out
      Whole House Mode
      RS-232C Interface
      +12V Trigger Output00
      Remote (IR) Input/Output0 / 01 / 1
      MISCELLANEOUS Onkyo TX-NR686 Sony STR-DN1080
      On-Screen Display Graphical Overlaid On-Screen Display (OSD) via HDMI with Quick Set-Up Graphical User Interface
      GUI Languages73
      ONKYO-RI System Control
      RIHD (Remote Interactive Over HDMI)
      Smart Grid-Ready
      RADIO Onkyo TX-NR686 Sony STR-DN1080
      Analog Tuner FM/AM FM
      Presets4030 (30/-)
      Digital Radio
      Internet Radio TuneIn
      Pandora
      Spotify
      Tidal
      Deezer
      Napster
      SiriusXM
      CONSTRUCTION Onkyo TX-NR686 Sony STR-DN1080
      Solid Aluminum Front
      Speaker Terminals99
      Large Speaker Terminals99
      Color-Coded Speaker Terminals
      Transparent High-Grade Speaker Terminals
      Gold plated RCA terminals
      POWER Onkyo TX-NR686 Sony STR-DN1080
      Power SupplyAC 120 V, 60 HzAC 120 V, 60 Hz
      Independent Power Supply
      H.C.P.S. (High Current Power Supply) Customized Transformer
      Toroidal Transformer
      Power Consumption580 W240 W
      No Sound Power60 W
      Standby Power0.15 W0.4 W
      ECO Mode / Hybrid Standby Function
      PHYSICAL Onkyo TX-NR686 Sony STR-DN1080
      Dimensions (W x H x D)435 mm x 173.5 mm x 379.5 mm
      17-1/8" x 6-13/16" x 14-15/16"      		430 mm x 156 mm x 331 mm
      17" x 6-1/4" x 13-1/8"
      Weight10.0 kg (22.0 lbs)9.1 kg (20 lbs. 1 oz.)
      SPECIFICATIONS Onkyo TX-NR686 Sony STR-DN1080
      Power Output (8 Ω, 20 Hz - 20 kHz, 2 channel driven, FTC)100 W (0.08% THD)
      Power Output (6 Ω, 20 Hz - 20 kHz, 2 channel driven)100 W (0.09% THD)
      Power Output (6 Ω, 1 kHz, 2 channel driven, FTC)120 W (0.9% THD)
      Power Output (6 Ω, 1 kHz, 1 channel driven, FTC)165 W (0.9% THD)
      Maximum Effective Power Output (6 Ω, 1 kHz, 1 channel driven, JEITA or IEC)210 W (10% THD)
      Dynamic Power per Channel (3 Ω, Front)240 W
      Dynamic Power per Channel (4 Ω, Front)210 W
      Dynamic Power per Channel (8 Ω, Front)120 W
      THD0.08% (20 Hz - 20 kHz, Half power)
      Input Sensitivity and Impedance (Line)200 mV/47 kΩ (1 kHz, 100 W/8 Ω)500 mV/50 kΩ
      Input Sensitivity and Impedance (Phono MM)3.5 mV/47 kΩ
      Rated Preout Level and Impedance2 V/1 kΩ (Zone2 and Subwoofer)
      Rated Headphone Power Output80 mW (32 Ω, 1 kHz, 10% THD)
      Phono Overload70 mV (MM, 1 kHz 0.5%)
      S/N Ratio (Line, IHF-A)106 dB105 dB (500 mV)
      S/N Ratio (Phono MM, IHF-A)80 dB
      S/N Ratio (digital)100 dB (20 kHz LPF)
      Frequency Response (Analog In)10 Hz - 100 kHz/+1 dB, -3 dB (Direct)10 Hz - 100 kHz/+0.5 dB, -2 dB
      DSD Sampling Rates via HDMI2.8 MHz2.8 MHz
      DSD Sampling Rates via USB2.8 MHz, 5.6 MHz2.8 MHz, 5.6 MHz
      Video Input Sensitivity/Output Level and Impedance 1 Vp-p/75 Ω (Component Y)
      0.7 Vp-p/75 Ω (Component PB/CB, PR/CR)
      1 Vp-p/75 Ω (Composite)      		1 Vp-p/75 Ω (Composite)
      Ethernet Standard10BASE-T/100BASE-TX100BASE-TX
      Wi-Fi StandardIEEE 802.11 a/b/g/nIEEE 802.11 a/b/g/n
      Wi-Fi Terminal Frequency5 GHz, 2.4 GHz5 GHz, 2.4 GHz
      Bluetooth Version4․1 + LE4․1
      Bluetooth Frequency2.4 GHz2.4 GHz
      USB TerminalVer. 2.0, 5 V, 1 AType A, Ver. 2.0, 5 V, 1 A
      FM Frequency87.5 MHz - 107.9 MHz87.5 MHz - 108.0 MHz
      FM 50 dB Quiet Sensitivity (IHF, 1 kHz, 100% MOD.)Mono: 1.56 µV (15.0 dBf)
      AM Frequency530 kHz - 1710 kHz
      Warranty2 Years2 Years

      * - 480i/576i and 480p/576p only
      ** - 480i/576i only
      *** - no 1080p/24 upconversion
      **** - 1080p signal is not converted

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