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Onkyo TX-NR646 User Manual

Onkyo TX-NR646
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Using the Listening Modes
En-28
¼ STEREO button
You can select a listening mode for stereo and all channel
stereo sources.
Input Format Listening Mode
All format
Stereo
AllCh Stereo
1
1
Center speaker, surround speakers or height speakers need to be
installed.
¼ PURE AUDIO button (on the main unit only)
(European, Australian and Asian models)
The display and analog video circuit are turned off to
switch the unit to Pure Audio mode (European, Australian
and Asian models) which provides purer sound. Selecting
this mode lights the PURE AUDIO indicator on the unit.
Pressing the button again reselects the previous listening
mode.
Selecting Pure Audio for listening mode turns off the
display and analog video circuitry, but the video signals
input through HDMI input are output from HDMI output.
Checking the Input Format
While audio from the player is being input, press DISPLAY
on the remote controller several times to switch the
information shown on the main unit display. For example, if
"Dolby D 5.1" is displayed, the Dolby Digital 5.1 ch signals
are being input.
The number of channels is not displayed when the input
signal is "Dolby Atmos" format.

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Onkyo TX-NR646 Specifications

General IconGeneral
Impedance16 Ω
Receiver type-
Frequency range10 - 100000 Hz
Output impedance470 Ω
Input sensitivity200 mV
Audio output channels7.2 channels
Signal-to-Noise Ratio (SNR)100 dB
Total Harmonic Distortion (THD)0.08 %
Dynamic power per channel (3 Ohm)240 W
Dynamic power per channel (4 Ohm)210 W
Dynamic power per channel (8 Ohm)120 W
Power output per channel (20-20KHz@8 Ohm)160 W
HDMI in8
Composite video in3
Digital audio coaxial in1
Component video (YPbPr/YCbCr) in2
Audio formats supportedAAC, FLAC, LPCM, MP3, OGG, WAV, WMA
Wi-FiYes
Ethernet LANNo
Bluetooth version2.1+EDR
Bluetooth profilesA2DP, AVRCP
AM band range522 - 1710 kHz
FM band range87.5 - 107.9 MHz
Supported radio bandsAM, FM
Preset stations quantity40
Product colorSilver
Audio decodersDolby TrueHD, DTS-HD Master Audio
Damping factor60
AC input voltage220-240 V
AC input frequency50 - 60 Hz
Power consumption (standby)0.15 W
Power consumption (typical)630 W
Package weight12500 g
Package depth423 mm
Package width570 mm
Package height287 mm
Weight and Dimensions IconWeight and Dimensions
Depth329 mm
Width435 mm
Height173.5 mm
Weight9400 g

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