Onkyo PR-RZ5100
Onkyo PR-RZ5100
Onkyo PR-RZ5100

Onkyo PR-RZ5100: AV Reciever with flagship level quality

Onkyo is committed to creating products that bring joy to listeners. The RZ Series is the culmination of 70 years of experience in high-end audio: forward-looking, but with analogue tradition at heart. Every design element, every hand-selected detail contributes to a flagship level of quality: full range reproduction, sonic transparency and high resolution, lightning-fast dynamics, a sense of rhythm and the soul of the music… performance that captivates you and fills your soul with emotion.

With 11.2 channels of preamp, you can enjoy a full multi-dimensional surround sound experience through a 7.2.4 channel home theater speaker configuration. Object-based Dolby Atmos® and DTS:X™ formats free audio from conventional channels and allow it to move freely above and around viewers’ heads – for the ultimate in immersive 3D audio experience

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The THX Ultra2 Plus certified 11.2-channel Onkyo PR-RZ5100 AV processor is the top of the RZ series and supports 4K resolution (60Hz, 2160p), as well as Dolby Atmos and DTS:X 3D audio formats 7.2.4 channel configuration.

The model’s arsenal includes two 32-bit Analog Devices SHARC DSPs, producing up to six billion operations per second, and its digital and analog circuits are completely separated. The following DACs are available on board: two AK4490 chips (32 bit/384 kHz) for front channels, two multi-channel AK4458 (32 bit/768 kHz) and a pair of AK4388 (24 bit/192 kHz) for zones 2 and 3. Clear the signal from pulses noise reduction is helped by VLSC technology. The speaker auto-calibration function is assigned to the AccuEQ system with AccuReflex technology, which allows the speakers for Dolby Atmos to be phase-matched with other speakers. In this case, DSP correction for the “fronts” is not applied in order to ensure natural sound in stereo mode.

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AccuReflex is part of the AccuEQ calibration system, which phase-matches the vertical channel speakers with the sounds coming from the other speakers – for transparent and seamless reproduction of object-based surround sound. AccuEQ equalizes and optimizes the surround sound system to match room acoustics without affecting the performance of front speakers designed for pure stereo mode.

In addition to the AM/FM tuner, the AV processor has a wide range of tools for receiving audio content wirelessly, including Bluetooth, Wi-Fi, Google Cast (available with new firmware) and AirPlay. Connection to a local network via LAN/WLAN and playback of Hi-Res formats (including DSD 11.2 MHz) from computers and NAS servers is available. Supported online services include TuneIn and Spotify. FireConnect technology allows you to transmit a signal without using a cable to speakers that support this function and control the broadcast using the application, which is convenient when organizing a multi-room system.

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The case has a new design with retro reminiscences. The volume knob is located on the right side of the aluminum facade. Above it there are buttons for selecting a source and for working with additional zones. The left side is occupied by power/standby keys and Pure Audio mode activation keys, as well as a pair of tandems (button + rotary knob) for selecting listening modes and adjusting timbres. In the center there is a display with a cover underneath that hides controls for various functions of the processor, as well as an HDMI input, a 6.3 mm headphone jack and a jack for a calibration microphone.

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The model has wide switching capabilities. Five of the seven HDMI inputs on the rear of the case and two HDMI outputs support the HDCP 2.2 4K content copy protection protocol. You can also select 11.2-channel output in balanced and unbalanced versions, MM phono preamp connectors, USB port and RCA outputs for zone 2 and 3.

Characteristics Onkyo PR-RZ5100

Number of channels 11.2
Input sensitivity/impedance 200 mV/82 kOhm (linear input), 3.5 mV/47 kOhm (MM phono input)
Nominal output voltage/impedance 1 V/330 Ohm (RCA, Pre Out), 2 V/220 Ohm (XLR, Pre Out), 200 mV/1, 2 kOhm (Aux Zone Out, Line Out), 2 V/1.2 kOhm (Aux Zone Out, Pre Out)
Frequency Response 5 Hz – 100 kHz (+ 1 dB, – 3 dB, Direct/Pure Audio modes)
Voices ± 10 dB, 100 Hz (LF), ± 10 dB, 10 kHz (HF)
Signal-to-noise ratio 110 dB (line input), 80 dB (MM phono input)
AM/FM tuner yes, 40 presets
Built-in decoders (main ) Dolby Atmos (up to 7.2.4 channels), DTS:X (up to 7.2.4 channels), Dolby TrueHD, Dolby Digital Plus, Dolby Surround, DTS-HD Master Audio, DTS 96/24, DTS-ES, DTS Express, DTS Neural:X
THX Ultra2 Plus certification yes
HDMI support for 4K signal transmission at 60 Hz, 4:4:4 color space, BT.2020 and HDR yes
Upscaler 1080p upscaling to 4K
Automatic speaker calibration AccuEQ + AccuReflex technology
Number of additional zones 2
DACs 2 x AK4490 (32 bit/384 kHz) for front channels, 2 x multi-channel AK4458 (32 bit/768 kHz) and 2 x AK4388 (24 bit/192 kHz) for zone 2 and 3
DSPs 32 bit, 2 x Analog Devices SHARC
Music Optimizer MP3 file enhancer
Supported streaming audio formats (LAN/USB) MP3, WMA, FLAC (up to 24 bit/192 kHz), WAV (up to 24 bit/192 kHz), AIFF (up to 24 bit/ 192 kHz), AAC, Apple Lossless (up to 24 bit/192 kHz), DSD (up to 11.2 MHz), Dolby TrueHD
Independent crossover frequency adjustment for each channel 40/50/60/70/80/90/100/120 /150/180/200 Hz
Wi-Fi support IEEE 802.11 a/b/g/n, 2.4 GHz/5 GHz
Bluetooth version 4.1 + LE (A2DP v1.2, AVRCP v1.3) with Advanced Music Optimizer technology for sound enhancements
Google Cast support yes
AirPlay support yes
Control via Onkyo app for iOS and Android devices yes
Pure Audio and Direct modes Pure Audio disables video circuits and display, Direct disables digital circuits
Supported Internet services Spotify, Pandora, Deezer, TIDAL, TuneIn
Technology FireConnect for wireless multiroom installation yes
Inputs 7 + 1 HDMI ports (five rear panel inputs with HDCP 2.2 support), USB for external drives (with charging/power capability), 2 composite, 2 component, 6 line RCA, MM phono amplifier (RCA), 3 optical , 2 coaxial, Ethernet port
Outputs 2 x HDMI (one with ARC and HDCP 2.2, the second (with HDCP 2.2) – for zone 2), component, 11.2-channel Pre Out outputs (RCA and XLR), 2 outputs (RCA for zones 2 and 3, fixed/adjustable), 6.3 mm headphone jack
Other switching trigger output, mini-microphone jack, RS-232, IR input, AM/FM antenna jacks, 2 Wi-Fi jacks -Fi/Bluetooth antenna, ground terminal
HDMI signal pass-through in standby mode yes
Power supply low noise shielded transformer, additional transformer for standby mode
Power consumption 65 W, standby mode: 0.15 W
Remote control RC-926R , universal
Dimensions (WxHxD) 435x201x448 mm
Weight 13.6 kg