This section shows those features and specifications which are the reason to choose Onkyo TX-NR818 over Onkyo TX-SR393.
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Onkyo TX-SR393 |
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Onkyo TX-NR818 |
More Channels |
5.2 |
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7.2 |
Higher Power Output |
80 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven) |
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135 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven) |
Front Wide Channel Support |
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Optimum Gain Volume Circuitry |
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Linear |
THX™ Certification |
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Select™2 Plus |
Independent Block Construction (Amp/Preprocessor) |
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Bi-amp capability |
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More Channel Processing |
5.1 |
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9.1 |
Dolby Pro Logic |
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PLIIz |
Dolby Digital EX |
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DTS Neo |
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Neo:X |
Music Playback via USB |
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FLAC, WAV, Apple Lossless, WMA, WMA Lossless, Ogg, MP3, DSD, Dolby TruHD, LPCM, AAC |
Higher Resolution Music Playback via USB |
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up to 192 kHz |
DSD via HDMI |
2-ch |
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2-ch/Multi-ch Input |
DSD via USB |
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2-ch Input |
Jitter Reduction |
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PLL (Phase Locked Loop) Jitter-Cleaning Circuit Technology |
Dialogue Lift |
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Screen Centered Dialog |
THX Processing Mode |
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Audyssey Dynamic EQ |
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Audyssey Dynamic Volume |
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Audyssey DSX |
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Pure Audio Mode |
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Analog To HDMI Upconversion |
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Component, Composite, PC |
isf Certified Calibration Control |
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Wi-Fi |
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via Front USB (optional UWF-1 sold separately) |
MHL Input |
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Front HDMI |
Remote Controll App |
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iPod touch/iPhone and Android-Powered Devices |
InstaPrevue Input Source Prevue |
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More HDMI Inputs |
4 |
vs |
8 (1 front) |
More HDMI Outputs |
1 |
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2 (simultaneous) |
USB Input |
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1 Front (for iPod/iPhone) and 1 Rear |
More Optical Inputs |
1 |
vs |
3 (1 front) |
More Coaxial Inputs/Outputs |
1 |
vs |
3 |
More RCA Line Inputs |
3 |
vs |
7 (1 front) |
Phono Input |
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vs |
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More RCA Pre-Outs |
0.2 |
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9.2 |
More Composite Video Inputs |
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5 (1 front) |
More Composite Video Outputs |
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vs |
1 |
More Component Video Inputs |
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2 |
More Component Video Outputs |
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1 |
Ethernet |
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PC In |
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Front A/V Inputs |
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HDMI/MHL, USB, Composite Video, RCA Audio, Optical |
Detachable Power Cord |
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More Zones |
2 |
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3 |
More Powered Zones |
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2 and 3 |
Whole House Mode |
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RS-232C Interface |
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+12V Trigger Output |
0 |
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2 (Zone2, Zone 3) |
Remote (IR) Input/Output |
0 / 0 |
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1 / 1 |
ONKYO-RI System Control |
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RIHD (Remote Interactive Over HDMI) |
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Analog Tuner |
FM/AM |
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FM/AM with RDS |
Internet Radio |
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vTuner |
Pandora |
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Spotify |
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More Speaker Terminals |
5 |
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11 |
More Large Speaker Terminals |
2 |
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11 |
Color-Coded Speaker Terminals |
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H.C.P.S. (High Current Power Supply) |
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Massive High Power Transformer |
Bigger Power Supply |
445 W |
vs |
720 W |
Higher Power Output (8 Ω, 20 Hz - 20 kHz, 2 channel driven, FTC) |
80 W (0.08% THD) |
vs |
135 W (0.08% THD) |
Higher Power Output (6 Ω, 1 kHz, 1 channel driven, JEITA) |
155 W (10% THD) |
vs |
230 W |
Higher S/N Ratio (Line, IHF-A) |
109 db |
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110 dB |
Wider AM Frequency Range |
530 kHz - 1710 kHz |
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522/530 kHz - 1611/1710 kHz |