THX Audio Setup

■Surr Back Speaker Spacing

`<1ft (<0.3m)

`1ft-4ft (0.3m-1.2m)

`>4ft (>1.2m)

You can specify the distance between your surround back speakers.

Note

•Cannot be set if:

–“Surround Back Ch” is set to “1ch” (➔ page 44).

–“Surround Back” is set to “No” (➔ page 44).

–“Powered Zone 2” is set to “Yes” (➔ page 43) and Zone 2 turned on (➔ page 60).

■BGC

`Off

`On

You can apply THX’s Boundary Gain Compensation (BGC) to compensate the perceived exaggeration of low frequencies for listeners sitting very close to a room boundary (i.e., wall).

Note

•If the “Subwoofer” setting is set to “No”, this setting cannot be selected (➔ page 44).

■Loudness Plus

`Off

`On

When the “Loudness Plus” is set to “On”, it is possible to enjoy even subtle nuances of audio expression at low volume.

This is only available when the THX listening mode is selected.

■Preserve THX Settings

`Yes

`No

If this setting is set to “Yes”, Dynamic EQ and Dynamic Volume have no effect in THX listening mode.

Note

• This setting is fixed to “Yes” if “Loudness Plus” is set to “On”.

THX Loudness Plus

THX Loudness Plus is a new volume control technology featured in THX Ultra2 Plus™, THX Select2 Plus™ and THX I/S Plus™ Certified receivers. With THX Loudness Plus, home theater audiences can now experience the rich details in a surround mix at any volume level. A consequence of turning the volume below Reference Level is that certain sound elements can be lost or perceived differently by the listener. THX Loudness Plus compensates for the tonal and spatial shifts that occur when the volume is reduced by intelligently adjusting ambient surround channel levels and frequency response. This enables users experience the true impact of soundtracks regardless of the volume setting. THX Loudness Plus is automatically applied when listening in any THX listening mode. The new THX Cinema, THX Music, and THX Games modes are tailored to apply the proper THX Loudness Plus settings for each type of content.

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Onkyo HT-R990 instruction manual THX Audio Setup, Surr Back Speaker Spacing, Bgc, Loudness Plus, Preserve THX Settings
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HT-R990 specifications

The Onkyo HT-R990 is a powerful and versatile AV receiver designed for home theater enthusiasts seeking a rich audio experience and advanced features. With its robust performance and modern connectivity options, this receiver stands out in the competitive landscape of home theater equipment.

One of the key features of the HT-R990 is its support for Dolby Atmos and DTS:X, two of the most popular surround sound formats available today. These technologies enable a three-dimensional sound experience, allowing users to enjoy movies, music, and games as if they were right in the middle of the action. The receiver supports up to 9.2 channel configurations, providing flexibility for users who want to create a more immersive sound environment.

The HT-R990 is equipped with Onkyo’s proprietary AccuEQ room calibration system. This technology automatically analyzes the acoustics of your room and optimizes the audio output accordingly. Whether you have a small living space or a large dedicated theater room, AccuEQ helps ensure that you experience balanced sound, no matter where you are seated.

In terms of connectivity, the Onkyo HT-R990 offers multiple HDMI inputs, including support for 4K/60Hz video passthrough and HDR formats like HDR10, Dolby Vision, and HLG, ensuring that your visual experience is as stunning as the audio. With a total of eight HDMI inputs, users can connect a wide range of devices, from gaming consoles to streaming devices, without the hassle of constantly switching cables.

The receiver also includes built-in Wi-Fi and Bluetooth capabilities, allowing users to stream music directly from their smartphones, tablets, or computers. Additionally, compatibility with streaming services like Spotify, Tidal, and Deezer means that you can easily access your favorite tracks without needing a separate device.

The Onkyo HT-R990’s user-friendly interface is another highlight, featuring an intuitive setup process and a remote control designed for easy navigation. The front-panel USB port provides convenience for playing music files directly from a flash drive.

Overall, the Onkyo HT-R990 offers a comprehensive suite of features for audiophiles and home theater enthusiasts alike. With its versatile connectivity options, advanced audio technologies, and intuitive design, it is a well-rounded choice for creating an immersive home entertainment experience.
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