AMPLIFIER |
Onkyo TX-NR757 |
Onkyo TX-NR747 |
Channels | 7.2 | 7.2 |
Power Output | 110 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven) | 110 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven) |
Front Wide Channel Support | | |
Dynamic Audio Amplification | | |
Non-Phase Shift Amplifier | | |
WRAT (Wide Range Amplifier Technology) | | |
VLSC (Vector Linear Shaping Circuitry) | Front L/R channels | |
Optimum Gain Volume Circuitry | | |
THX™ Certification | Select™2 Plus | Select™2 Plus |
Continuous 6 Ω Rated | | |
Certified 4 Ω Performance | | |
Discrete Output Stage Circuitry | | |
3-Stage Inverted Darlington Circuitry | | |
PUSH-PULL Design | | |
Independent Block Construction (Amp/Preprocessor) | | |
Bi-amp Capability | | |
BTL (Bridged Transless or Bridging) | | |
AUDIO FEATURES |
Onkyo TX-NR757 |
Onkyo TX-NR747 |
Digital Signal Processing (DSP) Engine | 32-bit Digital Signal Processing Enginess | Dual 32-bit DSP for Powerful Advanced Processing |
DAC | AKM AK4458 (8 Channels x 1) | Asahi Kasei AK4458 |
DAC Specs | 384 kHz/32 Bit | 384 kHz/32 Bit |
Maximum Channel Processing | 7.1 | 7.1 |
Air Studios Monitor Certification | | |
Dolby Atmos | up to 5.1.2 | up to 5.1.2 |
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 | also known as Dolby Digital Surround EX | also known as Dolby Digital Surround EX |
DTS:X | up to 5.1.2 | up to 5.1.2 after firmware update |
DTS Neural:X | after firmware update | after firmware update |
DTS Virtual:X | | |
DTS Neo | Neo:6 until firmware update | Neo:6 until firmware update |
DTS-HD Master Audio | | |
DTS-HD High Resolution Audio | | |
DTS 96/24 | | |
DTS Express | | |
DTS-ES | | |
IMAX Enhanced | | |
Auro 3D with Auro-Matic Upmixer | | |
PCM | 2-ch/Multi-ch Input | 2-ch/Multi-ch Input |
Network Audio Formats | FLAC, WAV, Apple Lossless, WMA, MP3, DSD, AIFF, MPEG-4 AAC, LPCM | |
Music Playback via USB | FLAC, WAV, Apple Lossless, WMA, MP3, DSD, AIFF, AAC, Dolby TrueHD | FLAC, WAV, Apple Lossless, WMA, WMA Lossless, Ogg, MP3, DSD, AAC, LPCM, Dolby TrueHD |
High Resolution Music Playback via USB and/or Network | up to 192 kHz | up to 96 kHz |
High Resolution Audio Formats via USB | FLAC, WAV, Apple Lossless, DSD, AIFF, AAC, Dolby TrueHD | FLAC, WAV, WMA Lossless, Apple Lossless, DSD, AAC |
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 | PLL (Phase Locked Loop) Jitter-Cleaning Circuit Technology for S/PDIF Audio |
DTS Dialogue Control | | |
Dialog Enhancement | | |
Dialog Level Adjustment | | DTS:X only |
Dialog normalization | | |
Dialogue Lift | | |
Tone Control | Front L/R Channels | Front L/R Channels |
Compressed Music Enhancer | Advanced Music Optimizer (bluetooth included) | Advanced Music Optimizer (bluetooth included) |
High-resolution Music Enhancer | | |
THX Processing Mode | | |
Audyssey Dynamic EQ | | |
Audyssey Dynamic Volume | | |
Audyssey LFC | | |
Audyssey Sub EQ HT | | |
Audyssey DSX | | |
Phase-Matching Bass Boost | | for Deep Bass and Clear Mid-Range |
Direct Mode | | |
Pure Audio Mode | | |
Pure Direct Analog Path Mode | | |
Virtual Speakers | T-D (Theater-Dimensional) | T-D (Theater-Dimensional) |
Independent Subwoofer Outputs | | |
VIDEO FEATURES |
Onkyo TX-NR757 |
Onkyo TX-NR747 |
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 (3 inputs / 2 outputs) | 2.2 (3 inputs / 2 outputs) |
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 (RGB/YCbCr4:4:4) | up to 4K/60p (RGB/YCbCr4:4:4/YCbCr4:2:2, 24 bit) |
Video Signal Upscaling | 1080p to 4K | |
Analog To HDMI Upconversion | Component**, Composite | Component**, Composite |
Component Video Upscaling | | |
Analog to Analog Video conversion | | |
Component Video Maximum Resolution | 480i/576i | 480i/576i |
isf Certified Calibration Control | | |
SPECIFICATIONS |
Onkyo TX-NR757 |
Onkyo TX-NR747 |
Power Output (8 Ω, 20 Hz - 20 kHz, 2 channel driven, FTC) | 110 W (0.08% THD) | 110 W (0.08% THD) |
Power Output (6 Ω, 1 kHz, 1 channel driven, FTC) | 180 W (0.9% THD) | 175 W (0.9% THD) |
Maximum Effective Power Output (6 Ω, 1 kHz, 1 channel driven, JEITA or IEC) | | 185 W |
Rated Power Output (6 Ω, 1 kHz, 1 channel driven, IEC) | | 175 W (1% THD) |
Dynamic Power per Channel (3 Ω, Front) | 250 W | 250 W |
Dynamic Power per Channel (4 Ω, Front) | 220 W | 220 W |
Dynamic Power per Channel (8 Ω, Front) | 130 W | 130 W |
THD | 0.08% (20 Hz - 20 kHz, Half power) | 0.08% (20 Hz - 20 kHz, Half power) |
Damping Factor | | 60 (Front, 1 kHz, 8 Ω) |
Input Sensitivity and Impedance (Line) | 200 mV/47 kΩ (1 kHz, 100 W/8 Ω) | 200 mV/47 kΩ (Line) |
Input Sensitivity and Impedance (Phono MM) | 3.5 mV/47 kΩ | 3.5 mV/47 kΩ (Phono mm) |
Maximum Lineout Level and Impedance | | 1.0 V/2.2 kΩ |
Rated Headphone Jack Output Level and Impedance | 330 Ω | |
Rated Headphone Power Output | 85 mW (32 Ω, 1 kHz, 10% THD) | |
Phono Overload | 70 mV (MM, 1 kHz 0.5%) | 70 mV (MM, 1 kHz 0.5% Direct) |
S/N Ratio (Line, IHF-A) | 106 dB | 106 dB |
S/N Ratio (Phono MM, IHF-A) | 80 dB | 80 dB |
Frequency Response (Analog In) | 10 Hz - 100 kHz/+1 dB, -3 dB (Direct) | 10 Hz - 100 kHz/+1 dB, -3 dB (Direct mode) |
DSD Sampling Rates via HDMI | 2.8 MHz | 2.8 MHz, 5.6 MHz |
DSD Sampling Rates via USB | 2.8 MHz, 5.6 MHz | 2.8 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 (Component Y) 0.7 Vp-p/75 Ω (Component PB/CB, PR/CR) 1 Vp-p/75 Ω (Composite) |
Video Frequency Response | | 5 Hz - 100 MHz/+0 dB, -3 dB (Component) |
Ethernet Standard | 10BASE-T/100BASE-TX | 10BASE-T/100BASE-TX |
Wi-Fi Standard | IEEE 802.11 a/b/g/n | IEEE 802.11 b/g/n |
Wi-Fi Terminal Frequency | 5 GHz, 2.4 GHz | 2.4 GHz |
Bluetooth Version | 4․1 + LE | 2․1 + EDR |
Bluetooth Frequency | 2.4 GHz | 2.4 GHz |
USB Terminal | 5 V, 1 A | 5 V, 1 A |
FM Frequency | 87.5 MHz - 107.9 MHz | 87.5 MHz - 107.9 MHz |
AM Frequency | 530 kHz - 1710 kHz | 522/530 kHz - 1611/1710 kHz |
Warranty | 2 Years | 2 Years |