ONKYO ADDS NEW THX AND IMAX ENHANCED RZ A/V RECEIVERS

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by Jay Garrett

3rd May, 2019

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ONKYO ADDS NEW THX AND IMAX ENHANCED RZ A/V RECEIVERS

Onkyo has added two THX Certified Select and IMAX Enhanced certified Network A/V Receivers to its premium RZ Series line.

The new receivers feature exclusive high-performance amplification systems and state-of-the-art multi-room audio capabilities for enthusiasts demanding a visceral entertainment experience.

The 9.2-ch TX-RZ840 (215 W/Ch, 6 ohms, 1 kHz, 10% THD, 1-ch driven) and 9.2-ch TX-RZ740 (185 W/Ch, 6 ohms, 1 kHz, 10% THD, 1-ch driven) provides a stable, easy-to-use platform for multi-room entertainment. Moreover, they are optimised to deliver high-end Dolby Atmos and DTS:X surround-sound through speaker layouts of up to 7.2.4 channels (when combined with an external power amp).

Onkyo RZ IMAX THX

These are also the first Onkyo AVRs that have been designed to conform with the IMAX Enhanced program, which features DTS:X immersive audio decoding to accurately reproduce the full dynamic range of IMAX theatrical sound mixes available in digitally re-mastered IMAX Enhanced content.

As members of the RZ Series, both products have upgraded Dynamic Audio Amplification (DAA) systems. DAA stabilises high power delivery from a custom-made High-Current Low-Noise Power Transformer and customised high-current smoothing capacitors. All of that results in accurate speaker control and truly spectacular dynamics. Discrete non-phase-shift amps capture a 5Hz-100kHz frequency response.

Onkyo RZ THX IMAX Enhanced

An extruded aluminium heat-sink controls the length and pitch of resonance frequencies, limiting vibration, while the TX-RZ840’s heat-sink gains black anodised paint that improves cooling efficiencies and reduces thermal distortion. This model announces its hi-fi credentials with an aluminium alloy front-panel and flap door.

A new HDMI board features shorter signal-paths and larger, carefully refined ground paths for clean A/V signals. The Quad-core SoC (System on a Chip) is isolated to prevent interference, and the power supply line is further strengthened for 4-ohm driving power.

Onkyo RZ THX IMAX Enhanced

The natural articulation of sound inside the listening space is enhanced by the use of AccuEQ Advance 9-point room acoustic calibration. This measures sound at nine positions to precisely calibrate and EQ speakers and subwoofers and remove standing waves from the room. During the calibration process, the system detects and compensates for background noise to ensure accurate equalisation. AccuReflex optimises 3D sound through Dolby-enabled speakers by resolving phase-shift, resulting in a cohesive sound-field.

With nine channels, separate Zone 2 and Zone 3 DACs, and 11.2-channel pre-outs, you’ll have the freedom to choose from a variety of possible speaker layouts with switchable, app-controlled audio in other areas of the home.

If you’re looking to expand a multi-room network audio ecosystem, both products feature Works with Sonos, Chromecast built-in, AirPlay 2, DTS Play-Fi, and FlareConnect. You also get integrated Amazon Music, Spotify, TIDAL, Deezer, and TuneIn services on your home cinema or share it around the home to supported speakers.

Price and availability

  • TX-RZ840 9.2-ch THX Select Network A/V Receiver with Dolby Atmos, DTS:X and IMAX Enhanced - £1,199 (in black or silver, available in May).
  • TX-RZ740  9.2-ch THX Select Network A/V Receiver with Dolby Atmos, DTS:X and IMAX Enhanced - £949 (in black or silver, available in May).

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Written by:

Jay Garrett

StereoNET UK’s Editor and Bass playing gadget junkie. He’s captained the good ship GadgetyNews for over a decade, making low jargon high tech a very handy thing. His passion for gadgets and Hi-Fi is second only to being a touring musician.

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