Bryston SP1.7 Series manual Bypass Button, Analog Balance, Master Volume

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14. Bypass Button

This button operates as a three way toggle function. The LED immediately above the button has two colors - RED and GREEN, and an OFF mode where it is not illuminated. The options are Bypass 2ch, Bypass 5.1ch, and Bypass Off.

Press the button once, and the unit goes in the Bypass 2ch mode. In this mode, the LED will be GREEN. In Bypass 2ch mode all of the DSP circuitry, DA and AD converters are bypassed, allowing a completely analog circuit path, identical to the reference standard Bryston BP-25 pre-amplifier. Only standard format Stereo operation is permitted in this mode - all other functions are disabled. The Front Panel Stereo Balance control now becomes active.

Press the button again, and the unit goes into Bypass 5.1ch mode. In this mode, the LED will be ORANGE. In Bypass 5.1ch mode, the signal from the 5.1 channel analog inputs (RCA) will be routed through the volume controls and to their respective outputs, balanced and unbalanced. No bass management is available with the 5.1ch bypass mode.

To defeat the Bypass mode, press the Bypass button again, and the LED will go OFF.

15. Analog Balance

This control governs the balance of the analog bypass circuit. It will only function if the SP1.7 is in Bypass 2ch mode.

16. Master Volume

This is the Large Knob located on the far right side of the front panel. It controls the Master Volume in all modes. It is fully motorized and can be operated from the remote control or by hand. It is the final level setting control on the SP1.7, and determines what output level will be supplied to the connected power amplifiers, but not the tape/recording outputs. It takes into account any speaker level trim adjustments made during the SP1.7’s setup.

BYPASS

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Contents SP1.7 Important Safety Instructions Contents SP1.7 Functional Layout AccessoriesPower Input Mode PowerPower Momentary Switch Front Panel Controls and IndicatorsStandby and IR Infrared Activity Indicator LCD Display window Using the Dynamic Range ControlMenu Control Buttons Source Selection Buttons and IndicatorsDigital Mode and Indicator Mode Selection ButtonsSurround Button Mono and Mono Downmix Modes Stereo and Stereo Downmix ModeTHX Button Available with THX Listening Mode… Mode ButtonBypass Button Master VolumeAnalog Balance Balanced and 2. Unbalanced Outputs Rear Panel Input and Output ConnectionsAnalog Inputs Digital Audio Coaxial InputsToslink Digital Audio Optical Inputs Setting the Optical Audio Input AssignmentTape/Recording Outputs Remote 12V Trigger Outputs RS-232 connectorProgramming the AUX Trigger Output Aux IR ReceiverIEC Power Connector Fuses SP1.7 Remote ControlMaster Power Switch Source Select ButtonsVolume/Trim Buttons Mode Select ButtonsPower Button Setup ButtonsPhoto Sensor Status LEDTo accomplish this process the following tools are needed SET UP and Calibration of the SP1.7Setting the Speaker Configuration Explanation of ‘Saved Settings per Source’ FeatureExplanation of ‘Xtra Bass’ Mode Highlight SP Setup Menu Setting the Speaker Crossover FrequencyChange the Crossover Frequency Setting the Channel DelaysSetting Channel Levels without Pink Noise Calibrating and Setting Levels/Channel to Channel BalanceSetting the THX Subwoofer Limiter or Bass Peak Level Manager Setting the Bplm with Pink NoiseEnabling DTS-ES 6.1 Decoding Setting the Bplm without Pink NoiseEnabling THX Surround EX Decoding Hightlight ES Other Settings MenuChange EX Control Setting Changing Dolby Plii Music SettingsHighlight Plii Setup Menu Center Image is a variable in Neo6 music mode only Changing DTS NEO6 SettingsAcknowledgements To change the Center ImageSurround Modes Appendix a SP1.7 Surround ModesPage Table of all available surround modes SignalDTS as per THX licensing agreements Appendix B THX InformationXLR/PHONE Example HOOK-UP DiagramsInputs SP1.7 SpecificationsSuggested Surround Speaker Placement SP1pt7MANUAL20060324

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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