| GENERAL | Yamaha RX-A840 | Yamaha RX-A830 |
|---|---|---|
| Brand | Yamaha | Yamaha |
| Series | Aventage | Aventage |
| Model | RX-A840 | RX-A830 |
| Type | A/V Receiver | A/V Receiver |
| Country | USA and Canada | USA and Canada |
| Release Year | 2014 | 2013 |
| Predecessor | Yamaha RX-A830 | Yamaha RX-A820 |
| Successor | Yamaha RX-A850 | Yamaha RX-A840 |
| AMPLIFIER | Yamaha RX-A840 | Yamaha RX-A830 |
|---|---|---|
| Channels | 7.2 | 7.2 |
| Power Output | 100 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven) | 100 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 | Yamaha RX-A840 | Yamaha RX-A830 |
|---|---|---|
| Surround:AI™ | ||
| DAC | Burr-Brown | Burr-Brown |
| DAC Specs | 192 kHz/24 Bit | 192 kHz/24 Bit |
| Maximum Channel Processing | 7.1 | 7.1 |
| 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 | PLIIx |
| Dolby Digital EX | ||
| DTS:X | ||
| DTS Neural:X | ||
| DTS Virtual:X | ||
| DTS Neo | Neo:6 | Neo:6 |
| DTS-HD Master Audio | ||
| DTS-HD High Resolution Audio | ||
| DTS 96/24 | ||
| DTS Express | ||
| DTS-ES | Discrete 6.1, Matrix 6.1 | Discrete 6.1, Matrix 6.1 |
| IMAX Enhanced | ||
| Auro 3D with Auro-Matic Upmixer | ||
| PCM | 2-ch/Multi-ch Input | 2-ch/Multi-ch Input |
| Music Playback via USB | MP3, WMA, AAC, Apple Lossless, WAV, FLAC | MP3, WMA, AAC, WAV, FLAC |
| High Resolution Music Playback via USB and/or Network | up to 192 kHz | up to 192 kHz |
| High Resolution Audio Formats via USB | Apple Lossless, WAV, FLAC | WAV, FLAC |
| Gapless Playback | ||
| DSD via HDMI | 2-ch/Multi-ch Input | 2-ch/Multi-ch Input |
| DSD to PCM Converter | ||
| USB DAC | ||
| Jitter Reduction | Ultra low jitter PLL circuitry | Ultra low jitter PLL circuitry |
| DTS Dialogue Control | ||
| Dialog Level Adjustment | ||
| Dialog normalization | ||
| Dialogue Lift | no presence speakers required | 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 | with Video On mode |
| CINEMA DSP | 3D | 3D |
| DSP Programs | 17 | 17 |
| SILENT CINEMA / Virtual CINEMA DSP | / (AIR SURROUND XTREME) | |
| Virtual Speakers |
| CALIBRATION | Yamaha RX-A840 | Yamaha RX-A830 |
|---|---|---|
| Auto Speaker Calibration System with Mic. | YPAO sound optimization (R.S.C. with Multipoint measurement) | YPAO sound optimization (R.S.C. with Multipoint measurement) |
| YPAO Volume | ||
| PEQ for SUB | Down to 31 Hz | Down to 31 Hz |
| VIDEO FEATURES | Yamaha RX-A840 | Yamaha RX-A830 |
|---|---|---|
| HDR10 | ||
| HDR10+ | ||
| Dynamic HDR | ||
| BT.2020 color space | ||
| Dolby Vision | ||
| HLG (Hybrid Log Gamma) | ||
| HDBaseT Compatible | ||
| Enhanced Audio Return Channel (eARC) | ||
| HDCP Version | 2.2 | 2.2 |
| QMS (Quick Media Switching) | ||
| ALLM (Auto Low Latency Mode) | ||
| VRR (Variable Refresh Rate) | ||
| QFT (Quick Frame transport) | ||
| 3-D Ready | ||
| Video Signal Passthrough | up to 4K/60p (YCbCr 4:4:4) | up to 4K/30p |
| Video Signal Upscaling | up to 4K/60p (YCbCr 4:4:4) | up to 4K/30p |
| Analog To HDMI Upconversion | Component**, Composite | Component****, S-Video, Composite |
| Component Video Upscaling | ||
| Analog to Analog Video conversion | ||
| Component Video Maximum Resolution | 1080i | 1080p |
| Video Parameter Adjustments | ||
| isf Certified Calibration Control |
| CONNECTIVITY | Yamaha RX-A840 | Yamaha RX-A830 |
|---|---|---|
| Wi-Fi | with Wireless Direct | via optional YWA-10 adapter (sold separately) |
| Bluetooth | via optional YBA-11 adapter (sold separately) | 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 | AirPlay |
| Apple Product Connection | iPod, iPhone and iPad | iPod, iPhone and iPad |
| Remote App | (iPhone / iPad, Android™ phone / tablet, Kindle Fire™) | (iPhone / iPad, Android™ phone / tablet, Kindle Fire™) |
| InstaPrevue Input Source Prevue |
| TERMINALS | Yamaha RX-A840 | Yamaha RX-A830 |
|---|---|---|
| HDMI Inputs | 8 (1 front) | 8 (1 front) |
| HDMI Outputs | 2 | 2 |
| 8K Inputs | ||
| USB Input | iPod® / iPhone® / iPad®, USB memory, portable audio player | iPod® / iPhone® / iPad®, USB memory, portable audio player (MP3, WMA, AAC up to 48 kHz / 16-bit, FLAC / WAV up to 192 kHz / 24-bit) |
| USB DC Out Port | (USB DC output 5 V / 0.5 amp) | (USB DC output 5 V / 0.5 amp) |
| Optical Inputs | 2 | 2 |
| Optical Outputs | ||
| Coaxial Inputs | 2 | 2 |
| RCA Line Inputs | 5 (1 front) | 5 (1 front) |
| RCA Line Outputs | 1 | 1 |
| XLR Line Inputs | ||
| Phono Input | ||
| Multi-Channel Input | ||
| RCA Pre-Outs | 7.2 | 7.2 |
| XLR Pre-outs | ||
| Composite Video Inputs | 5 (1 front) | 5 (1 front) |
| Composite Video Outputs | 2 | 2 |
| S-Video Inputs | ||
| S-Video Outputs | ||
| Component Video Inputs | 2 | 2 |
| Component Video Outputs | 1 | 1 |
| Ethernet | ||
| Ethernet Switch | ||
| PC In | ||
| Front A/V Inputs | HDMI (MHL support), USB, analog audio, composite | HDMI (MHL support), USB, analog audio, composite |
| Speaker A/B | ||
| Headphone Out | 6.3 mm (1/4") | 6.3 mm (1/4") |
| Detachable Power Cord | ||
| dockport |
| ZONES | Yamaha RX-A840 | Yamaha RX-A830 |
|---|---|---|
| Number of Zones | 2 | 2 |
| Powered Zones | Zone 2 | Zone 2 |
| Zone 2 Outs | Line Out | Line Out |
| Zone B Video Output | (HDMI) | |
| Zone GUI | ||
| RS-232C Interface | ||
| +12V Trigger Output | (1) | (1) |
| Remote (IR) Input/Output | 1 / 1 | 1 / 1 |
| Party Mode |
| MISCELLANEOUS | Yamaha RX-A840 | Yamaha RX-A830 |
|---|---|---|
| On-Screen Display | Graphical user interface | Graphical user interface |
| SCENE | SCENE (four sets) | (four sets) |
| Web Control | ||
| PreAmp Mode | ||
| Remote Controller | (Preset) |
| RADIO | Yamaha RX-A840 | Yamaha RX-A830 |
|---|---|---|
| Analog Tuner | FM/AM | FM/AM |
| Presets | 40 | 40 |
| Digital Radio | ||
| Internet Radio | vTuner | vTuner |
| Pandora | ||
| Spotify | ||
| Tidal | ||
| Deezer | ||
| Napster | ||
| SiriusXM |
| CONSTRUCTION | Yamaha RX-A840 | Yamaha RX-A830 |
|---|---|---|
| Solid Aluminum Front | Aluminum | |
| A.R.T. Wedge | ||
| Speaker Terminals | 9 | 9 |
| Large Speaker Terminals | 9 | 9 |
| Color-Coded Speaker Terminals | ||
| Gold plated RCA terminals |
| POWER | Yamaha RX-A840 | Yamaha RX-A830 |
|---|---|---|
| Power Supply | AC 120 V, 60 Hz | AC 120 V, 60 Hz |
| Power Consumption | 400 W | 400 W/500 VA |
| Standby Power | 0.1 W | 0.10 W |
| ECO Mode / Hybrid Standby Function | ||
| Auto Power Standby |
| PHYSICAL | Yamaha RX-A840 | Yamaha RX-A830 |
|---|---|---|
| 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") | 435 mm x 171 mm x 369 mm 17-1/8" x 6-3/4" x 14-1/2" |
| Weight | 10.6 kg (23.4 lbs) | 10.5 kg (23.2 lbs) |
| SPECIFICATIONS | Yamaha RX-A840 | Yamaha RX-A830 |
|---|---|---|
| Power Output (8 Ω, 20 Hz - 20 kHz, 2 channel driven, FTC) | 100 W (0.09% THD) | 100 W (0.09% THD) |
| Power Output (8 Ω, 1 kHz, 2 channel Driven, FTC) | 110 W (0.9% THD) | 110 W (0.9% THD) |
| Rated Power Output (8 Ω, 1 kHz, 1 channel Driven) | 130 W (0.9% THD) | 130 W (0.9% THD) |
| Maximum Effective Output Power (8 Ω, 1 kHz, 1 channel Driven, JEITA) | 165 W (10% THD) | 160 W (10% THD) |
| Rated Power Output (4 Ω, 1 kHz, 1 channel Driven) | 160 W (0.9% THD) | 160 W (0.9% THD) |
| Dynamic Power per Channel (2 Ω, Front) | 240 W | 250 W |
| Dynamic Power per Channel (4 Ω, Front) | 195 W | 210 W |
| Dynamic Power per Channel (6 Ω, Front) | 170 W | 180 W |
| Dynamic Power per Channel (8 Ω, Front) | 130 W | 140 W |
| THD | 0.06% (AV 5 etc. to Front, Pure Direct, 20 Hz - 20 kHz, 50 W, 8 Ω) | 0.06% (AV 5 etc. to Front, Pure Direct, 20 Hz - 20 kHz, 50 W, 8 Ω) |
| Damping Factor | 100 (Front, 20 Hz - 20 kHz, 8 Ω) | 100 (Front, 20 Hz - 20 kHz, 8 Ω) |
| Input Sensitivity and Impedance (Line) | 200 mV/47 kΩ | 200 mV/47 kΩ |
| Maximum Input Sensitivity (Line) | 2.3 V | 2.3 V |
| Rated Preout Level and Impedance | 1.0 V/1.2 kΩ | 1.0 V/1.2 kΩ |
| Rated Lineout Level and Impedance | 200 mV/1.2 kΩ (AV OUT) | 200 mV/1.2 kΩ (AV OUT) |
| Rated Headphone Jack Output Level and Impedance | 100 mV/560 Ω (AV 5 etc., 1 kHz, 50 mV, 8 Ω) | 100 mV/560 Ω (AV 5 etc., 1 kHz, 50 mV, 8 Ω) |
| S/N Ratio (Line, IHF-A) | 110 dB | 100 dB |
| Frequency Response (Analog In) | +0/-3 dB (10 Hz to 100 kHz) | +0/-3 dB (10 Hz to 100 kHz) |
| Residual noise (IHF-A Network) | 150 µV (Speaker Out) | 150 µV (Speaker Out) |
| Channel Separation at 1 kHz/10 kHz (LINE) | 75 dB/50 dB | 60 dB/45 dB |
| DSD Sampling Rates via HDMI | 2.8 MHz | 2.8 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) | 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 Input | 1.5 Vp-p | 1.5 Vp-p |
| Video Frequency Response | 5 Hz to 60 MHz, -3 dB (Component) | 5 Hz to 60 MHz, -3 dB (Component) |
| Video S/N Ratio | 50 dB | 50 dB |
| Ethernet Standard | 10BASE-T/100BASE-TX | 10BASE-T/100BASE-TX |
| Wi-Fi Standard | IEEE 802.11 b/g/n | |
| HDMI Input/MHL Terminal | 5 V, 1 A | 5 V, 1 A |
| USB Terminal | USB2.0 5 V, 2.1 A | USB2.0 5 V, 2.1 A |
| FM Frequency | 87.5 MHz - 107.9 MHz | 87.5 MHz - 107.9 MHz |
| FM 50 dB Quiet Sensitivity (IHF, 1 kHz, 100% MOD.) | Mono: 3 µV (20.8 dBf) | Mono: 3 µV (20.8 dBf) |
| FM S/N Ratio | Mono/Stereo: 71 dB/ 70 dB | Mono/Stereo: 71 dB/69 dB |
| FM Harmonic Distortion (IHF, 1 kHz) | Mono/Stereo: 0.5%/0.6% | Mono/Stereo: 0.3%/0.5% |
| AM Frequency | 530 MHz - 1710 MHz | 530 MHz - 1710 MHz |
| Warranty | 3 Years | 3 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:
