1.`First enter the main menu by pressing on any one of the menu buttons on the SP1.7 front panel (< - > or SELECT).

2.Next move the cursor to “LVL”. Hit ‘SELECT’ - You are now in the Level Trim Menu.

3.Move the cursor to the speaker(s) you want to change the level for using the arrow keys (L, C, R, RS, LS, RB, LB, SUB). Hit ‘SELECT’. Now you can adjust the Level for the selected speaker using the arrow buttons.

4.Hit ‘SELECT’ when finished, and repeat Step 3 to change the Level Trim for any of the other speakers.

Setting the THX Subwoofer Limiter or “Bass Peak Level Manager”

To diminish the chance that your subwoofer will overload from the large amount of bass, often present in the LFE channel the system uses a Peak Management circuit which works with the data you supplied during speaker setup to help match the subwoofer output to your specific subwoofer’s capabilities. Please note that the factory default for the BLPM is -14 dB since the capabilities of your specific subwoofer are unknown. In the SP1.7 setup and calibration section above, the final step you should have performed was to set the BLPM for your sub- woofer’s specific capabilities.

Setting the BPLM with Pink Noise

1.Enter the main menu by pressing on one of the menu buttons. Move the cursor to “OS”. Hit ‘Select’ - You are now in the Other Settings (Optical/THX) Menu.

Figure 19: Highlight “BPLM”

in the Other Setting Menu

2.Move the cursor to ‘BPLM’. Hit Select. [BPLM=Bass Peak level Manager] You will see the following screen.

Figure 20: BPLM Routine Choice

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Bryston SP1.7PRECISION Setting the Bplm with Pink Noise, Setting the THX Subwoofer Limiter or Bass Peak Level Manager
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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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