Onkyo TX-NR828 vs Onkyo TX-NR818 Detailed Comparison

Onkyo TX-NR828

Onkyo TX-NR818

SCORE:
85
SCORE:
84

Highlights

  • 7.2 channels
  • 7.1 channel processing
  • 130 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven)
  • THX Select™2 Plus certified
  • 4K Upscaling, 4K Passthrough
  • AirPlay via optional Onkyo RI Dock DS-A5 (sold separately), DLNA
  • Ethernet, Wi-Fi, Bluetooth
  • USB and Phono inputs

Highlights

  • 7.2 channels
  • 9.1 channel processing
  • 135 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven)
  • THX Select™2 Plus certified
  • 4K Upscaling, 1080p Passthrough
  • DLNA
  • Ethernet, Wi-Fi
  • USB and Phono inputs

Disclosure: We earn money from the affiliate links to products associated with content in this article.

Overview

Here we are comparing Onkyo TX-NR828 to Onkyo TX-NR818 to reveal their common strengths and weaknesses as well as the differences between them which will help you in making a correct decision before the purchase. Both receivers have 7 channel amplifiers with Onkyo TX-NR828's being less powerful.

We have evaluated both receivers. Onkyo TX-NR828 gets higher overall score in our ranking system which is based on the amplifier specifications, audio and video features, connectivity, multizone capabilities, radio and many other details.

Onkyo TX-NR828

Onkyo TX-NR818

AMPLIFIER
94
VIDEO FEATURES
76
AUDIO FEATURES
80
CONNECTIVITY
88
MULTIZONE
89
MISCELLANEOUS
78
RADIO
88
OVERALL
85
AMPLIFIER
93
VIDEO FEATURES
71
AUDIO FEATURES
81
CONNECTIVITY
85
MULTIZONE
90
MISCELLANEOUS
78
RADIO
88
OVERALL
84

Amplifier score is based on power ratings, minimum impedance load, power supply, transformer type, total harmonic distortion, damping factor, signal to noise ratio and other small details. Audio score depends on the number of channels, front wide channel support, maximum channel processing, support of audio formats, DAC specifications, room calibration algorithm... Video score is based on HDR, Dolby Vision and 4K passthrough, upscaling, analog to HDMI upconversion. Connectivity score is defined from all wired and wireless inputs and outputs, internet and bluetooth connections, HEOS, SONOS and others. Multizone score depends on the number of zones with their outputs. Radio score is evaluated form digital radio support and analog tuner with its frequency range, signal to noise ratio, harmonic distortion...

Advantage of Onkyo TX-NR828

This section shows those features and specifications which are the reason to choose Onkyo TX-NR828 over Onkyo TX-NR818.

Onkyo TX-NR828 vs Onkyo TX-NR818
PUSH-PULL Design vs
Phase-Matching Bass Boost vs
Video Signal Passthrough up to 4K/30p vs up to 1080p
AirPlay AirPlay via optional Onkyo RI Dock DS-A5 (sold separately) vs
Wi-Fi vs via Front USB (optional UWF-1 sold separately)
Bluetooth vs
Independent Power Supply 2 vs
Higher Power Output (6 Ω, 1 kHz, 2 channel driven, FTC) 160 W (0.7% THD) vs 125 W (0.7% THD)

Advantage of Onkyo TX-NR818

This section shows those features and specifications which are the reason to choose Onkyo TX-NR828 over Onkyo TX-NR818.

Onkyo TX-NR828 vs Onkyo TX-NR818
Independent Block Construction (Amp/Preprocessor) vs
More Channel Processing 7.1 vs 9.1
DTS Neo Neo:6 vs Neo:X
High Resolution Audio Formats via USB FLAC, WAV, WMA Lossless, Apple Lossless, DSD, AAC, LPCM vs FLAC, WAV, Apple Lossless, DSD, WMA Lossless, LPCM, AAC, Dolby TrueHD
Dialogue Lift vs Screen Centered Dialog
More Advanced Auto Speaker Calibration System Audyssey MultEQ vs Audyssey MultEQ XT32
USB Input 1 (Front) vs 1 Front (for iPod/iPhone) and 1 Rear
More Optical Inputs 2 vs 3 (1 front)
PC In vs
More Analog Pre-Outs 7.2 vs 9.2
Front A/V Inputs HDMI/MHL, USB, Composite Video, RCA Audio vs HDMI/MHL, USB, Composite Video, RCA Audio, Optical
+12V Trigger Output 1 (Zone2) vs 2 (Zone2, Zone 3)
Remote (IR) Input/Output 1 / 0 vs 1 / 1
Pre-Pro/Learning Remote / vs /
Higher Power Output (8 Ω, 20 Hz - 20 kHz, 2 channel driven, FTC) 130 W (0.08% THD) vs 135 W (0.08% THD)
Higher Power Output (6 Ω, 1 kHz, 1 channel driven, JEITA) 215 W vs 230 W
Higher S/N Ratio (Line, IHF-A) 106 dB vs 110 dB

Common Strengths and Weaknesses

Here we list common strengths and weaknesses of both receivers.

PROS
👍   Front Wide Channel Support
👍   THX™ Certification
👍   Certified 4 Ω Performance
👍   Bi-amp Capability
👍   Dolby TrueHD
👍   Dolby Digital Plus
👍   Dolby Pro Logic
👍   Dolby Digital EX
👍   Surround EX
👍   DTS Neo
👍   DTS-HD Master Audio
👍   DTS-HD High Resolution Audio
👍   DTS 96/24
👍   DTS Express
👍   DTS-ES
👍   High Resolution Music Playback via USB and/or Network
👍   DSD via HDMI
👍   DSD via USB
👍   Dialog Normalization
👍   Compressed Music Enhancer
👍   THX Processing Mode
👍   Audyssey Dynamic EQ
👍   Audyssey Dynamic Volume
👍   Audyssey DSX
👍   Auto Speaker Calibration System with Mic.
👍   3-D Ready
👍   4K or 8K Signal Upscaling
👍   Analog To HDMI Upconversion
👍   MHL Input
👍   DLNA 1.5
👍   Ethernet
👍   Wi-Fi
👍   New HDCP Version
👍   Many HDMI Inputs
👍   USB Input
👍   Many Analog Audio Line Inputs
👍   Phono Input
👍   Composite Video Inputs
👍   Composite Video Outputs
👍   Component Video Inputs
👍   Component Video Outputs
👍   Analog Pre-Outs
👍   Zones
👍   Detachable Power Cord
👍   Analog Tuner
👍   Pandora
👍   Spotify
👍   H.C.P.S. (High Current Power Supply)
CONS
👍   No Dolby Atmos
👍   No Dolby Atmos Height Virtualization
👍   No Dolby Surround Upmixer
👍   No DTS:X
👍   No DTS Neural:X
👍   No DTS Virtual:X
👍   No IMAX Enhanced
👍   No Auro 3D with Auro-Matic Upmixer
👍   No Gapless Playback
👍   No DTS Dialog Control
👍   No High-resolution Music Enhancer
👍   No Audyssey App Support
👍   No HDR10
👍   No HDR10+
👍   No BT.2020 color space
👍   No Dolby Vision
👍   No Hybrid Log Gamma (HLG)
👍   No Chromecast Built-In
👍   Does not Work with Amazon Alexa
👍   Does Not Work with SONOS
👍   No eARC
👍   No Multi-Channel Input
👍   No Tidal
👍   No Deezer
👍   No Napster
👍   No SiriusXM Internet Radio

Amplifier

Onkyo TX-NR828 and Onkyo TX-NR818 have 7 channel amplifiers. Onkyo TX-NR828 delivers 130 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven) and Onkyo TX-NR818 delivers 135 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven) and they both have stable performance at 4 Ω load.


Video Features

Onkyo TX-NR828 supports 4K passthrough up to 30p and Onkyo TX-NR818 supports 1080p passthrough. They both do 4K upscaling up to 30p.


WRAT

Onkyo TX-NR828 and Onkyo TX-NR818 feature Onkyo’s Wide Range Amp Technology (WRAT) circuit layout that prevents phase shifting by pushing the roll-off point higher than the listening-level frequency. Amplifying sound without phase shift creates an uncommonly well-focused and realistic audio image. If phase shift occurs and signal timing is not accurate, then neither is the resulting audio image.


3-Stage Inverted Darlington Circuitry

Onkyo TX-NR828 features 3-Stage Inverted Darlington Circuitry. Standard amplifiers employ a negative feedback (NFB) design that counters distortion by feeding back the opposite phase of the output signal into the input stage. Unfortunately, NFB is easily affected by inverse electromotive forces from the speakers, leading to an increase in circuit noise. Three-Stage Inverted Darlington Circuitry is a core Onkyo technology incorporating a low-NFB design that makes the sound more natural. Sensitive to oscillations, this circuitry requires very advanced control technology in order to be incorporated into the amplifier.


THX™ Certification

Onkyo TX-NR828 and Onkyo TX-NR818 are THX™ certified which offers optimal performance, superior quality and seamless integration. THX works with partners from the ground up, so that certified products deliver professional quality audio-visual experiences right out of the box. They only certify the very best products with uncompromised quality, performance and consistency. They ensure that THX certified devices play well with lower performing devices and components. THX listening modes make the receiver to have one speaker set up for movies, music and games. They are tested for power output, bass management, signal-to-noise ratio and feature RE-EQ, timbre matching, boundary gain compensation and THX Loudness Plus.


Advanced Music Optimizer

Compressed music enhancement in Onkyo TX-NR828 and Onkyo TX-NR818 is done by Onkyo’s Advanced Music Optimizer. While MP3 or AAC files may sound fine through the headphones of your portable digital player, the limitations of these files can be exposed when played back through a quality home entertainment system. This is because a significant amount of high-frequency bit information is lost during the file-compression process. To counter this, Onkyo has designed the Advanced Music Optimizer to compensate for lost bit information and improve the quality of compressed audio signals. This results in a clearer and more expansive sound. Also included in this technology is a loudness correction feature that further improves the audio character of compressed files.


Phase-Matching Bass Boost

Onkyo TX-NR828 features Phase-Matching Bass Boost. The negative effects of phase-shift or the timing difference between sound waves of different frequencies can sometimes be heard in audio players when corners are cut in order to increase bass response. While most audio systems have some form of low-frequency enhancement system, often a bigger bass sound comes at the expense of mid-range clarity, and results in a smeared or muddy sound. Onkyo’s Phase-Matching Bass Boost technology avoids this problem by improving the phase timing to preserve the natural clarity of the mid-range allowing vocals and strings to shine while maintaining a smooth, powerful bass response at all volume levels.


Connectivity

Onkyo TX-NR828

Onkyo TX-NR828 can be connected to internet using ethernet cable or built-in wi-fi adapter. It can also connect to bluetooth devices via built-in bluetooth adapter. The Receiver supports AirPlay via optional Onkyo RI Dock DS-A5 (sold separately). It has 8 HDMI inputs with HDCP 2.2 copy protection. There is a phono input with built-in phono stage for connecting the cartridge output of the turntable directly to the Receiver. There are 7.2 channel analog pre-outs for external amplification.

Front panel has HDMI/MHL, USB, Composite Video and RCA Audio inputs.

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Onkyo TX-NR818

Onkyo TX-NR818 can be connected to internet using ethernet cable or wirelessly via Front USB (optional UWF-1 sold separately). It has 8 HDMI inputs with HDCP 2.2 copy protection. There is a phono input with built-in phono stage for connecting the cartridge output of the turntable directly to the Receiver. There are 9.2 channel analog pre-outs for external amplification.

Front panel has HDMI/MHL, USB, Composite Video, RCA Audio and Optical inputs.

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Side by Side Comparison

And in the end let us list the detailed specifications of the receivers side-by-side.

Note: The following table shows only those details which are applicable for both models and excludes the ones that are applicable for only one model. If you want to see a full list of specs for each model please visit their individual pages here - Onkyo TX-NR828 and here - Onkyo TX-NR818.

BASICS Onkyo TX-NR828 vs Onkyo TX-NR818
BrandOnkyovsOnkyo
ModelTX-NR828vsTX-NR818
TypeA/V ReceivervsA/V Receiver
CountryOthersvsOthers
Release Year2013vs2012
AMPLIFIER Onkyo TX-NR828 vs Onkyo TX-NR818
Channels7.2vs7.2
Front Wide Channel Supportvs
WRAT (Wide Range Amplifier Technology)vs
VLSC (Vector Linear Shaping Circuitry)vs
Optimum Gain Volume Circuitryvs Linear
THX™ Certification Select™2 Plusvs Select™2 Plus
Continuous 6 Ω Ratedvs
Certified 4 Ω Performancevs
Discrete Output Stage Circuitryvs
3-Stage Inverted Darlington Circuitry All Channelsvs
PUSH-PULL Designvs
Independent Block Construction (Amp/Preprocessor)vs
Bi-amp Capabilityvs
BTL (Bridged Transless or Bridging)vs
AUDIO Onkyo TX-NR828 vs Onkyo TX-NR818
Digital Signal Processing (DSP) EngineAdvanced 32-Bit Processing DSP ChipvsAdvanced 32-Bit Processing DSP Chip
DACBurr-BrownvsBurr-Brown
Maximum Channel Processing7.1vs9.1
Air Studios Monitor Certificationvs
Dolby Atmosvs
Dolby Atmos Height Virtualizationvs
Dolby TrueHDvs
Dolby Digital Plusvs
Dolby Surround Upmixervs
Dolby Pro Logic PLIIzvs PLIIz
Dolby Digital EXvs
Surround EX also known as Dolby Digital Surround EXvs also known as Dolby Digital Surround EX
DTS:Xvs
DTS Neural:Xvs
DTS Virtual:Xvs
DTS Neo Neo:6vs Neo:X
DTS-HD Master Audiovs
DTS-HD High Resolution Audiovs
DTS 96/24vs
DTS Expressvs
DTS-ES Discrete 6.1, Matrix 6.1vs Discrete 6.1, Matrix 6.1
IMAX Enhancedvs
Auro 3D with Auro-Matic Upmixervs
PCM 2-ch/Multi-ch Inputvs 2-ch/Multi-ch Input
Music Playback via USBFLAC, WAV, Apple Lossless, WMA, WMA Lossless, Ogg, MP3, DSD, AAC, LPCM, Dolby TruHDvsFLAC, WAV, Apple Lossless, WMA, WMA Lossless, Ogg, MP3, DSD, Dolby TruHD, LPCM, AAC
High Resolution Music Playback via USB and/or Network up to 192 kHzvs up to 192 kHz
High Resolution Audio Formats via USBFLAC, WAV, WMA Lossless, Apple Lossless, DSD, AAC, LPCMvsFLAC, WAV, Apple Lossless, DSD, WMA Lossless, LPCM, AAC, Dolby TrueHD
Multi-Channel Music File Playback via USBvs
Gapless Playbackvs
DSD via HDMI 2-ch/Multi-ch Inputvs 2-ch/Multi-ch Input
DSD via USB 2-ch Inputvs 2-ch Input
DSD to PCM Convertervs
USB DACvs
Jitter Reduction PLL (Phase Locked Loop) Jitter-Cleaning Circuit Technology for S/PDIF Audiovs PLL (Phase Locked Loop) Jitter-Cleaning Circuit Technology
DTS Dialog Controlvs
Dialog Enhancementvs
Dialog Level Adjustmentvs
Dialog Normalizationvs
Dialogue Liftvs Screen Centered Dialog
Tone Control Front L/R Channelsvs Front L/R Channels
Compressed Music Enhancer Advanced Music Optimizervs Advanced Music Optimizer
High-resolution Music Enhancervs
THX Processing Modevs
Audyssey Dynamic EQvs
Audyssey Dynamic Volumevs
Audyssey LFCvs
Audyssey Sub EQ HTvs
Audyssey DSXvs
Phase-Matching Bass Boostvs
Direct Modevs
Pure Audio Modevs
Pure Direct Analog Path Modevs
Virtual Speakers T-D (Theater-Dimensional)vs T-D (Theater-Dimensional)
Independent Dual Subwoofer Outputvs
CALIBRATION Onkyo TX-NR828 vs Onkyo TX-NR818
Auto Speaker Calibration System with Mic. Audyssey MultEQvs Audyssey MultEQ XT32
Audyssey App Supportvs
VIDEO Onkyo TX-NR828 vs Onkyo TX-NR818
HDR10vs
HDR10+vs
BT.2020 color spacevs
Dolby Visionvs
HLG (Hybrid Log Gamma)vs
QMS (Quick Media Switching)vs
ALLM (Auto Low Latency Mode)vs
VRR (Variable Refresh Rate)vs
QFT (Quick Frame transport)vs
3-D Readyvs
Video Signal Passthroughup to 4K/30pvsup to 1080p
Video Signal Upscaling up to 4K/30p (Marvell Qdeo)vs up to 4K/30p (Marvell Qdeo)
Analog To HDMI Upconversion Component**, Compositevs Component, Composite, PC
Component Video Upscalingvs
Analog to Analog Video conversionvs
Component Video Maximum Resolution1080pvs1080p
isf Certified Calibration Controlvs
CONNECTIVITY Onkyo TX-NR828 vs Onkyo TX-NR818
MHL Input Front HDMIvs Front HDMI
DLNA 1.5vs
FireConnectvs
FlareConnectvs
Chromecast Built-Invs
DTS Play-Fivs
Works with Amazon Alexavs
Works with SONOSvs
AirPlay AirPlay via optional Onkyo RI Dock DS-A5 (sold separately)vs
Apple Product Connection iPod and iPhone via optional Onkyo RI Dock DS-A5 (sold separately)vs iPod and iPhone via front USB
Remote App iPod touch/iPhone and Android-Powered Devicesvs iPod touch/iPhone and Android-Powered Devices
InstaPrevue Input Source Prevuevs
Ethernetvs
Ethernet Switchvs
Wi-Fivs via Front USB (optional UWF-1 sold separately)
Bluetoothvs
HDBaseT Compatiblevs
Enhanced ARCvs
HDCP Version2.2vs2.2
HDMI Input8 (1 front)vs8 (1 front)
HDMI Output2 (simultaneous)vs2 (simultaneous)
USB Input1 (Front)vs1 Front (for iPod/iPhone) and 1 Rear
USB DC Out Portvs
Analog Audio Line Input7 (1 front)vs7 (1 front)
Analog Audio Line Outputvs
Phono Inputvs
Optical In2vs3 (1 front)
Optical Outvs
Coaxial In/Out3 / vs3 /
Composite Video Input5 (1 front)vs5 (1 front)
Composite Video Output1vs1
S-Video Inputvs
S-Video Outputvs
Component Video Input2vs2
Component Video Output1vs1
PC Invs
Multi-Channel Inputvs
Analog Pre-Outs7.2vs9.2
XLR Inputsvs
XLR Pre-outsvs
Front A/V InputsHDMI/MHL, USB, Composite Video, RCA AudiovsHDMI/MHL, USB, Composite Video, RCA Audio, Optical
Speaker A/Bvs
Headphone Out 6.3 mmvs 6.3 mm
ZONES Onkyo TX-NR828 vs Onkyo TX-NR818
Zones3vs3
Powered Zones 2 and 3vs 2 and 3
Zone 2RCA Line OutvsRCA Line Out
Zone 3 OutsRCA Line OutvsRCA Line Out
Whole House Modevs
RS-232vs
+12V Trigger Output1 (Zone2)vs2 (Zone2, Zone 3)
Remote (IR) Input/Output1 / 0vs1 / 1
MISC Onkyo TX-NR828 vs Onkyo TX-NR818
On-Screen Display Advanced "Home" GUIvs Advanced "Home" GUI
Detachable Power Cordvs
uportvs
ONKYO-RI System Controlvs
RIHD (Remote Interactive Over HDMI)vs
Pre-Pro/Learning Remote / vs /
On Screen Remote Programmingvs
Bi-directional Remote Setup via GUIvs
Activity Based Remotevs
Smart Grid-Readyvs
RADIO Onkyo TX-NR828 vs Onkyo TX-NR818
Analog Tuner FM/AM with RDSvs FM/AM with RDS
Presets40vs40
Digital Radiovs
Internet Radio TuneInvs vTuner
Pandoravs
Spotifyvs
Tidalvs
Deezervs
Napstervs
SiriusXM Internet Radiovs
CONSTRUCTION Onkyo TX-NR828 vs Onkyo TX-NR818
Solid Aluminum Frontvs
Speaker Terminals11vs11
Large Speaker Terminals11vs11
Color-Coded Speaker Terminalsvs
Transparent High-Grade Speaker Terminalsvs
18mm Pitch High Grade Pre-outsvs
19mm-Pitch Audio Inputsvs
Gold plated RCA terminalsvs
POWER Onkyo TX-NR828 vs Onkyo TX-NR818
Power SupplyAC 220-240 V, 50/60 HzvsAC 220-240 V, 50/60 Hz
Independent Power Supply2vs
H.C.P.S. (High Current Power Supply) Massive High Power Transformervs Massive High Power Transformer
Toroidal Transformervs
Power Consumption720 Wvs720 W
No Sound Power75 W (230 V)/80 W (240 V)vs90 W
Standby Power0.2 Wvs0.1 W
GENERAL Onkyo TX-NR828 vs Onkyo TX-NR818
ECO Mode / Hybrid Standby Functionvs
Dimensions (W x H x D)435 mm x 198.5 mm x 398 mm
17-1/8" x 7-13/16" x 15-11/16"
vs435 mm x 198.5 mm x 435.5 mm
17-1/8" x 7-13/16" x 18-1/8"
Weight15.0 kg (33.1 lbs)vs18.3 kg (40.3 lbs)
Warranty2 Yearsvs2 Years
SPECS Onkyo TX-NR828 vs Onkyo TX-NR818
Power Output (8 Ω, 20 Hz - 20 kHz, 2130 W (0.08% THD)vs135 W (0.08% THD)
Power Output (6 Ω, 1 kHz, 2160 W (0.7% THD)vs125 W (0.7% THD)
Maximum Effective Power Output (6 Ω, 1 kHz, 1 channel driven, JEITA)215 Wvs230 W
Rated Power Output (6 Ω, 1 kHz, 1 channel driven, IEC)180 W (1% THD)vs180 W (1% THD)
Dynamic Power per Channel (3 Ω, Front)300 Wvs300 W
Dynamic Power per Channel (4 Ω, Front)250 Wvs250 W
Dynamic Power per Channel (8 Ω, Front)150 Wvs150 W
THD0.08% (20 Hz - 20 kHz, Half power)vs0.08% (20 Hz - 20 kHz, Half power)
Damping Factor60 (Front, 1 kHz, 8 Ω)vs60 (Front, 1 kHz, 8 Ω)
Input Sensitivity and Impedance (Line)200 mV/47 kΩ (Line)vs200 mV/47 kΩ (Line)
Input Sensitivity and Impedance (Phono MM)2.5 mV/47 kΩvs2.5 mV/47 kΩ
Phono Overload70 mV (MM, 1kHz, 0.5% Direct)vs70 mV (MM 1 kHz 0.5%)
S/N Ratio (Line, IHF-A)106 dBvs110 dB
S/N Ratio (Phono MM, IHF-A)80 dBvs80 dB
Frequency Response (Analog In)5 Hz - 100 kHz/+1 dB, -3 dB (Direct Mode)vs5 Hz - 100 kHz/+1 dB, -3 dB (Direct Mode)
DSD Sampling Rates via HDMI2.8 MHzvs2.8 MHz
DSD Sampling Rates via USB2.8 MHzvs2.8 MHz
Video Input Sensitivity/Output Level and Impedance1 Vp-p/75 Ω (Component Y)
0.7 Vp-p/75 Ω (Component PB/CB, PR/CR)
1 Vp-p/75 Ω (Composite)
vs1 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 Response5 Hz - 100 MHz/+0 dB, -3 dB (Component)vs5 Hz - 100 MHz/+0 dB, -3 dB (Component)
Ethernet Standard10BASE-T/100BASE-TXvs100BASE-TX
FM Frequency87.5 MHz - 108.0 MHzvs87.5 MHz - 108.0 MHz
AM Frequency522/530 kHz - 1611/1710 kHzvs522/530 kHz - 1611/1710 kHz

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

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