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

The Bryston SP1.7 Series is a sophisticated audio preamplifier designed to deliver exceptional sound quality and versatility for home theater and audio enthusiasts. Known for its high fidelity and robust construction, the SP1.7 reflects Bryston's commitment to excellence in audio engineering.

One of the standout features of the SP1.7 is its advanced digital signal processing (DSP) capabilities. The unit supports a wide range of audio formats, including Dolby Atmos and DTS:X, ensuring that users can experience immersive sound in their home theater setups. The built-in DSP allows for room correction, which optimizes audio performance based on the unique acoustics of the listening environment, providing a more balanced and accurate sound.

The SP1.7 Series also boasts multiple HDMI inputs. With support for high-resolution audio formats, these inputs facilitate seamless integration with modern AV sources. The unit can handle 4K video pass-through, maintaining the highest quality for both audio and visual performance. This level of connectivity is essential for today's discerning consumers who demand versatility and convenience in their audio systems.

In terms of audio quality, the SP1.7 features top-notch components, including high-performance DACs (Digital-to-Analog Converters) and a low-noise power supply. This ensures that the signal path remains clean and free of interference, delivering crystal-clear audio reproduction. Furthermore, the SP1.7 supports among the highest industry standards for signal-to-noise ratio, ensuring that subtle details in the music or movie are preserved.

User-friendly operation is another hallmark of the SP1.7. The intuitive interface, complete with an easy-to-read display, allows users to navigate through settings effortlessly. The preamplifier is also equipped with robust remote control functionality, allowing users to manage their audio environment from a distance.

With its sleek design and solid build quality, the Bryston SP1.7 fits seamlessly into any home theater or audio system setup. Built to last, Bryston is known for offering a 20-year warranty on their products, reassured by their reputation for durability and reliability.

In summary, the Bryston SP1.7 Series stands out as a premier choice for audiophiles and home theater enthusiasts. With its advanced DSP capabilities, multiple connectivity options, superior audio quality, and user-friendly features, the SP1.7 combines cutting-edge technology with exceptional craftsmanship, making it a top contender in the realm of audio preamplifiers.
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