Yamaha RX-A840

    Highlights

    • 7.2 Channels
    • 7.1 Channel Processing
    • 100 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven)
    • 4K/60Hz Passthrough, 4K/60Hz Upscaling
    • Wi-Fi, Bluetooth, Ethernet
    • Phono Input
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    Specifications

    GENERAL
    BrandYamaha
    SeriesAventage
    ModelRX-A840
    TypeA/V Receiver
    CountryKorea
    Release Year2014
    PredecessorYamaha RX-A830
    SuccessorYamaha RX-A850
    AMPLIFIER
    Channels7.2
    Power Output100 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven)
    Front Wide Channel Support
    THX™ Certification
    Continuous 6 Ω Rated
    Certified 4 Ω Performance
    Bi-amp Capability
    AUDIO FEATURES
    Surround:AI™
    DACBurr-Brown
    DAC Specs192 kHz/24 Bit
    Maximum Channel Processing7.1
    Air Studios Monitor Certification
    Dolby Atmos
    Dolby Atmos Height Virtualization
    Dolby Atmos Music
    Dolby TrueHD
    Dolby Digital Plus
    Dolby Surround Upmixer
    Dolby Pro Logic PLIIx
    Dolby Digital EX
    DTS:X
    DTS Neural:X
    DTS Virtual:X
    DTS Neo Neo:6
    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
    PCM 2-ch/Multi-ch Input
    Music Playback via USBMP3, WMA, AAC, Apple Lossless, WAV, FLAC
    High Resolution Music Playback via USB and/or Network up to 192 kHz
    High Resolution Audio Formats via USBApple Lossless, WAV, FLAC
    Gapless Playback
    DSD via HDMI 2-ch/Multi-ch Input
    DSD to PCM Converter
    USB DAC
    Jitter Reduction Ultra low jitter PLL circuitry
    DTS Dialogue Control
    Dialog Level Adjustment
    Dialog normalization
    Dialogue Lift no presence speakers required
    Compressed Music Enhancer
    High-resolution Music Enhancer
    Adaptive DRC (Dynamic Range Control)
    Initial Volume & Maximum Volume Setting
    Audyssey Dynamic EQ
    Audyssey Dynamic Volume
    Audyssey LFC
    Audyssey Sub EQ HT
    Audyssey DSX
    Straight Decoding Mode
    Pure Direct Mode with Video On mode
    CINEMA DSP 3D
    DSP Programs17
    SILENT CINEMA / Virtual CINEMA DSP
    Virtual Speakers
    CALIBRATION
    Auto Speaker Calibration System with Mic. YPAO sound optimization (R.S.C. with Multipoint measurement)
    YPAO Volume
    PEQ for SUBDown to 31 Hz
    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 (YCbCr 4:4:4)
    Video Signal Upscaling up to 4K/60p (YCbCr 4:4:4)
    Analog To HDMI Upconversion Component**, Composite
    Component Video Upscaling
    Analog to Analog Video conversion
    Component Video Maximum Resolution1080i
    Video Parameter Adjustments
    isf Certified Calibration Control
    CONNECTIVITY
    Wi-Fi with Wireless Direct
    Bluetooth via optional YBA-11 adapter (sold separately)
    Works with Amazon Alexa
    Chromecast Built-In
    Works with SonoS
    DTS Play-Fi
    MHL Input
    DLNA 1.5
    MusicCast
    AirPlay AirPlay
    Apple Product Connection iPod, iPhone and iPad
    Remote App (iPhone / iPad, Android™ phone / tablet, Kindle Fire™)
    InstaPrevue Input Source Prevue
    TERMINALS
    HDMI Inputs8 (1 front)
    HDMI Outputs2
    8K Inputs
    USB InputiPod® / iPhone® / iPad®, USB memory, portable audio player
    USB DC Out Port (USB DC output 5 V / 0.5 amp)
    Optical Inputs2
    Optical Outputs
    Coaxial Inputs2
    RCA Line Inputs5 (1 front)
    RCA Line Outputs1
    XLR Line Inputs
    Phono Input
    Multi-Channel Input
    RCA Pre-Outs7.2
    XLR Pre-outs
    Composite Video Inputs5 (1 front)
    Composite Video Outputs2
    S-Video Inputs
    S-Video Outputs
    Component Video Inputs2
    Component Video Outputs1
    Ethernet
    Ethernet Switch
    PC In
    Front A/V InputsHDMI (MHL support), USB, analog audio, composite
    Speaker A/B
    Headphone Out6.3 mm (1/4")
    Detachable Power Cord
    dockport
    ZONES
    Number of Zones2
    Powered ZonesZone 2
    Zone 2 OutsLine Out
    Zone B Video Output
    Zone GUI
    RS-232C Interface
    +12V Trigger Output (1)
    Remote (IR) Input/Output1 / 1
    Party Mode
    MISCELLANEOUS
    On-Screen DisplayGraphical user interface
    SCENESCENE (four sets)
    Web Control
    PreAmp Mode
    RADIO
    Analog Tuner FM/AM
    Presets40
    Digital Radio
    Internet Radio vTuner
    Pandora
    Spotify
    Tidal
    Deezer
    Napster
    SiriusXM
    CONSTRUCTION
    A.R.T. Wedge
    Speaker Terminals9
    Large Speaker Terminals9
    Color-Coded Speaker Terminals
    Gold plated RCA terminals
    POWER
    Power SupplyAC 220 V, 60 Hz
    Power Consumption300 W
    Standby Power0.1 W
    ECO Mode / Hybrid Standby Function
    Auto Power Standby
    PHYSICAL
    Dimensions (W x H x D)435 mm x 171 mm x 367 mm (with antenna: 435 mm x 234 mm x 380 mm)
    17-1/8" x 6-3/4" x 14-1/2" (with antenna: 17-1/8" x 9-1/4" x 15")
    Weight10.6 kg (23.4 lbs)
    SPECIFICATIONS
    Power Output (8 Ω, 20 Hz - 20 kHz, 2 channel driven, FTC)100 W (0.09% THD)
    Power Output (8 Ω, 1 kHz, 2 channel Driven, FTC)110 W (0.9% THD)
    Rated Power Output (8 Ω, 1 kHz, 1 channel Driven)130 W (0.9% THD)
    Maximum Effective Output Power (8 Ω, 1 kHz, 1 channel Driven, JEITA)165 W (10% THD)
    Rated Power Output (4 Ω, 1 kHz, 1 channel Driven)160 W (0.9% THD)
    Dynamic Power per Channel (2 Ω, Front)240 W
    Dynamic Power per Channel (4 Ω, Front)195 W
    Dynamic Power per Channel (6 Ω, Front)170 W
    Dynamic Power per Channel (8 Ω, Front)130 W
    THD0.06% (AV 5 etc. to Front, Pure Direct, 20 Hz - 20 kHz, 50 W, 8 Ω)
    THD (Phono)0.02% (Phono to AV OUT, 20 Hz - 20 kHz, 1 V)
    Damping Factor100 (Front, 20 Hz - 20 kHz, 8 Ω)
    Input Sensitivity and Impedance (Line)200 mV/47 kΩ
    Input Sensitivity and Impedance (Phono MM)3.5 mV/47 kΩ
    Maximum Input Sensitivity (Line)2.3 V
    Maximum Input Sensitivity (Phono)60 mV
    Rated Preout Level and Impedance1.0 V/1.2 kΩ
    Rated Lineout Level and Impedance200 mV/1.2 kΩ (AV OUT)
    Rated Headphone Jack Output Level and Impedance100 mV/560 Ω (AV 5 etc., 1 kHz, 50 mV, 8 Ω)
    S/N Ratio (Line, IHF-A)110 dB
    S/N Ratio (Phono MM, IHF-A)96 dB
    Frequency Response (Analog In)+0/-3 dB (10 Hz to 100 kHz)
    Residual noise (IHF-A Network)150 µV (Speaker Out)
    Channel Separation at 1 kHz/10 kHz (LINE)75 dB/50 dB
    Channel Separation at 1 kHz/10 kHz (Phono)60 dB/55 dB
    DSD Sampling Rates via HDMI2.8 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)
    Video Maximum Input1.5 Vp-p
    Video Frequency Response5 Hz to 60 MHz, -3 dB (Component)
    Video S/N Ratio50 dB
    Ethernet Standard10BASE-T/100BASE-TX
    Wi-Fi StandardIEEE 802.11 b/g/n
    HDMI Input/MHL Terminal5 V, 1 A
    USB TerminalUSB2.0 5 V, 2.1 A
    FM Frequency87.50 MHz - 108.00 MHz
    FM 50 dB Quiet Sensitivity (IHF, 1 kHz, 100% MOD.)Mono: 3 µV (20.8 dBf)
    FM S/N RatioMono/Stereo: 71 dB/ 70 dB
    FM Harmonic Distortion (IHF, 1 kHz)Mono/Stereo: 0.5%/0.6%
    AM Frequency531 MHz - 1611 MHz
    Warranty3 Years

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



    For a full review please go to the review page:

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