Bryston SP1.7PRECISION manual Setting the Channel Delays, Change the Crossover Frequency

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3.Next move the cursor to ‘XO’. Hit ‘SELECT’ - You are now in the Crossover Menu. The options available in this menu are either NONE or 60 Hz to 220 Hz in 10 Hz increments. The SP1.7’s default factory setting as shipped is the THX standard 80 Hz crossover frequency.

Figure 17: Change the Crossover Frequency

4.Once you have selected the desired crossover frequency, press SELECT to exit this menu and return to the Speaker Config menu. The selected frequency is common to all speakers defined as ‘SMALL’. Only one global crossover value is available.

NOTE 1: The crossover action is only applied to speakers defined as ‘SMALL’ in the speaker configuration menu.

NOTE 2: If NONE is selected for the crossover frequency, the LFE signal (Low Frequency Effects channel) will be presented with no cut-off frequency. LFE signals can be up to 120 Hz in bandwidth, which replicates the studio mix.

Setting the Channel Delays

In this step you will need to measure within one foot the distances from your chosen listening/viewing position to the various loudspeaker locations in your system. You will need the tape measure or other means of making these measurements. You should record this data for future reference.

1.Now, make a measurement from the chosen seated position to each loudspeaker.

2.Next, enter the main menu by pressing on one of the menu buttons on the SP1.7 front panel. Move the cursor to “DLY”. Hit ‘Select’ - You are now in the Delay Menu. The SP1.7 automatically calculates the required delay time per speaker using the data entered as distance from the listening position. Delays are implemented using DSP RAM and have a maximum value.

Figure 18: Delays Menu

IMPORTANT: It is recommended that the closest speaker is entered first. The SP1.7 will calculate the maximum allowable distance from the listening position for the remaining speakers. Please note that delay is represented in feet. For reference, One foot (0.3048 meters) = approximately 1 millisecond of delay.

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Contents SP1.7 Bryston Limited Warranty Contents Accessories SP1.7 Functional LayoutPower Power Input ModeFront Panel Controls and Indicators Power Momentary SwitchStandby and IR Infrared Activity Indicator Using the Dynamic Range Control LCD Display windowSource Selection Buttons and Indicators Menu Control ButtonsMode Selection Buttons Digital Mode and IndicatorSurround Button Stereo and Stereo Downmix Mode Mono and Mono Downmix ModesTHX Button Mode Button Available with THX Listening Mode…Master Volume Bypass ButtonAnalog Balance Rear Panel Input and Output Connections Balanced and 2. Unbalanced OutputsAnalog Inputs Digital Audio Coaxial InputsSetting the Optical Audio Input Assignment Toslink Digital Audio Optical InputsTape/Recording Outputs RS-232 connector Remote 12V Trigger OutputsProgramming the AUX Trigger Output Aux IR ReceiverSP1.7 Remote Control IEC Power Connector FusesMaster Power Switch Source Select ButtonsMode Select Buttons Volume/Trim ButtonsPower Button Setup ButtonsStatus LED Photo SensorSET UP and Calibration of the SP1.7 To accomplish this process the following tools are neededExplanation of ‘Saved Settings per Source’ Feature Setting the Speaker ConfigurationExplanation of ‘Xtra Bass’ Mode Setting the Speaker Crossover Frequency Highlight SP Setup MenuSetting the Channel Delays Change the Crossover FrequencyCalibrating and Setting Levels/Channel to Channel Balance Setting Channel Levels without Pink NoiseSetting the Bplm with Pink Noise Setting the THX Subwoofer Limiter or Bass Peak Level ManagerSetting the Bplm without Pink Noise Enabling DTS-ES 6.1 DecodingHightlight ES Other Settings Menu Enabling THX Surround EX DecodingChanging Dolby Plii Music Settings Change EX Control SettingHighlight Plii Setup Menu Changing DTS NEO6 Settings Center Image is a variable in Neo6 music mode onlyTo change the Center Image AcknowledgementsAppendix a SP1.7 Surround Modes Surround ModesPage Signal Table of all available surround modesAppendix B THX Information DTS as per THX licensing agreementsExample HOOK-UP Diagrams XLR/PHONESP1.7 Specifications InputsSuggested Surround Speaker Placement SP1pt7MANUAL20060112

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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