3.Move the cursor to the speaker you want to set the distance/delay for (L C R RS LS RB LB SB). Hit Select. Now you can adjust the Delay value which is equivalent to the distance you measured for the selected speaker using the arrow buttons. Set the delay for each speaker in your system to the nearest foot/meter. Rounding up is OK. Remember that if one back speaker is selected, the Left Back output is used to set the delay.

4.Hit SELECT or [X] Exit when finished.

The SP1.7’s default factory settings as shipped are 10 feet to every speaker, resulting in zero overall delay.

Calibrating and Setting Levels/Channel to Channel Balance.

1.Position the Sound Level Meter at the Centre point of your listening area, at average ear height [approximately 40 - 46 inches {102 - 117 cm.} with its microphone positioned vertically (pointing at the ceiling). DO NOT aim the sensing microphone at the speakers, as this will produce inaccurate level indications.

2.Using the SP1.7 Remote, press and hold for approximately 3-5 seconds the key labeled “TEST”.

IMPORTANT: The Test-Noise Mode can only be initiated from the SP1.7 remote, and not from the front panel.

The shaped pink-noise test signal will begin with the left-front loudspeaker. If the signal does not appear in this speaker please stop the process and check your wiring and connections for proper configuration.

IMPORTANT: When using the Pink Noise generator within the SP1.7 for speaker level calibration, the salient point is that all channels measure equal dB. After pushing the test button, the pink noise will start in the front left speaker. Record the dB level from this speaker (with the level trim value at 0 dB on the LCD Display), and adjust all the others to match it. It is not critical to reach some specific dB level (ex. 85 dB), it is more important that all channels are at equal levels.

3.Hit the “TEST” button again to sequence the noise to the next speaker. The sequence is L -> C -> R -> RS -> RB -> LB -> LS -> SUB -> EXIT.

4.Using the volume up/down arrows on the remote or the arrow keys on the SP1.7 adjust the level of the noise for each speaker so that it matches the front left channel noise (dB) level on the Sound Level Meter.

5.When the cycle is complete, the test noise signal will end, and the unit will switch back to the previous mode. If any output is unused (as defined by ‘NONE’ in the Speaker Configuration Setup), the noise sequence will automatically skip to the next speaker in the sequence.

Setting Channel Levels without Pink Noise

If you wish to adjust the speaker level trims without using the pink-noise test signal, this can be done from the Front Panel menu system.

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Bryston SP1.7 Series Calibrating and Setting Levels/Channel to Channel Balance, Setting Channel Levels without Pink Noise
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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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