The options available in this menu are:

For LEFT/RIGHT (LR) you can select SMALL OR LARGE

For CENTRE (C) you can select SMALL, LARGE or NONE

FOR SURROUNDS (SUR) you can select SMALL, LARGE or NONE

FOR BACK (BK) you can select NONE, ONE or TWO

FOR SUBWOOFER (SUB) you can select YES or NO

The SP1’s default factory settings as shipped are:

Left/Right = LARGE

Centre = NONE

Surrounds = SMALL

Back = NONE

Subwoofer = YES.

If only one back speaker is chosen, the signal will be present on the BACK LEFT OUTPUT only.

4.Once you have completed selecting the settings that match your particular speaker systems please move the cursor to the (X) and press SELECT to exit this menu.

NOTE: LARGE VS SMALL SPEAKER SETTINGS:

It is very important that you understand what is meant by the LARGE and SMALL settings in this menu. They do not refer to SIZE, but to the ability of the particular loudspeaker system to handle low bass/low frequency information. It is very important that you consult your loudspeaker providers instruction manual or the company regarding the capabilities of your particular system with regard to low bass/low frequency reproduction. Please note that all THX certified loudspeaker systems are SMALL since a subwoofer is a part of any THX certified loudspeaker system. It is strongly recommended that you consider using a subwoofer for any system which you expect to effectively handle the low frequency dynamics of modern motion picture soundtrack sources such as DVD or HDTV feeds, and many other discrete multi-channel programming sources. If in any doubt choose small, especially if you are using a subwoofer, since this will insure that all the appropriate low frequency information is directed to the subwoofer where it can be most effectively handled.

Explanation of ‘Xtra Bass’ Mode

With any 2-channel material, there is no LFE (Low Frequency Effects, .1 channel) track. So, if your front speakers are defined as ‘Large’, the subwoofer will be inactive because no bass is being directed there. The Xbass mode allows the subwoofer to be active, even if the front speakers are full-range. You may find this is particularly useful for Pro Logic movie soundtracks.

In the Speaker Setup Menu, under the SUB heading, there are 3 choices:

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Bryston SP1.7PRECISION manual Explanation of ‘Xtra Bass’ Mode
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SP1.7PRECISION specifications

The Bryston SP1.7PRECISION is an exceptional audio processor that represents a significant advancement in home theater and high-fidelity music playback technology. Designed for audiophiles and professional users alike, this multi-channel surround sound processor integrates cutting-edge features and technologies to deliver an unparalleled listening experience.

One of the key features of the SP1.7PRECISION is its support for advanced audio formats. It is compatible with various surround sound formats such as Dolby Atmos and DTS:X, allowing users to enjoy immersive soundscapes that enhance the cinematic experience. The processor also supports high-resolution audio playback, ensuring that even the most intricate nuances of music and sound design are faithfully reproduced.

The SP1.7PRECISION utilizes Bryston's proprietary optimization algorithms to ensure that each audio channel is balanced and clear, enhancing overall sound quality. The processor incorporates state-of-the-art digital signal processing (DSP) capabilities, allowing for precise adjustments to be made in real time. This technology enables users to customize the acoustic environment of their listening space, applying tailored EQ settings and crossover points to achieve the ideal soundstage.

In terms of connectivity, the SP1.7PRECISION is equipped with an array of inputs and outputs, making it highly versatile. It features multiple HDMI inputs with support for 4K video and HDCP 2.2, allowing seamless integration with modern video sources. Additionally, the processor includes balanced and unbalanced outputs, ensuring compatibility with a wide variety of audio systems.

The user interface of the SP1.7PRECISION is intuitive and user-friendly, featuring a high-resolution LCD display that makes navigation a breeze. The device can be controlled via a dedicated remote, as well as through mobile devices using Bryston's app for iOS and Android, providing flexibility and convenience.

Moreover, the SP1.7PRECISION showcases Bryston's commitment to build quality and durability. Constructed with high-quality materials and components, this audio processor is designed to last while delivering consistently outstanding performance. Overall, the Bryston SP1.7PRECISION sets a new standard in audio processing, making it a remarkable choice for anyone seeking a high-quality, feature-rich home theater experience.
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