Technical Highlights

  • RMS Power: 220x4+800x1@2Ohm, 125x4+480x1@4Ohm.
  • Impedance: 2 Ohm stereo stable, 4 Ohm bridged stable.
  • Frequency Response: 10Hz-25kHz, Signal/Noise: 105dB.
  • More technical details
Regular price €1,459.00
Regular price €1,459.00 selling price €1,459.00
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ProductSALT-1700.5

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Estimated delivery: Oct 2–Oct 9.
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datasheet
Regular price €1,459.00
Regular price €1,459.00 selling price €1,459.00

The Sundown Audio SALT-1700.5 represents a peak performance in Korean Class-D amplifier technology. It features 5 channels and follows three previous generations of high-end amplifiers. The model is specifically designed for optimal performance at realistic operating voltages in the 12-volt range. Whether you are a passionate enthusiast or a fan of sound quality, this amplifier offers you the highest sound quality and durability. The SALT series particularly impresses with its unique design, which is unmatched. The amplifiers in this series not only look good, they sound great too.

properties

  • The Sundown Audio SALT amplifiers represent the pinnacle of Korean Class-D amplifier technology. They stand on the shoulders of three previous generations of Korean high-end amplifiers from 15 years (the SAZ v.1, SAZ v.2, and SCV series) to achieve even higher performance. Our customers have been asking us for many years to produce amplifiers that deliver optimal performance at realistic operating voltages in the 12-volt range and not at 14+ volts. The SALT - Sundown Audio Low-Voltage Technology - series is our answer!
  • "Whether you are a world-class SPL competitor, a dedicated enthusiast, or simply a fan of sound quality, the SALT series will feel at home in your system. Each individual model has been designed with great attention to detail to ensure that they bring a smile to your face every time the music starts playing, and that they will last for many years to come."
  • Cosmetically, they deviate significantly from our original design, which is an external indicator of the improved performance level. The heatsink is the heaviest we have ever produced, has the largest surface area, and is finished in a striking titanium color. These amplifiers look as good as they sound, and once you hold one in your hands, the build quality is obvious. The icing on the cake is the revised remote control with temperature, voltage, and clipping indicators, allowing you to easily monitor the vital signs of your valuable audio system.
  • Digital 5-channel full-range amplifier
  • Double-sided epoxy circuit board with through holes
  • Multi-way protection circuit (thermal / voltage / speaker short circuit / DC offset)
  • Voltage, temperature, and overload display Wired remote control (optional / not included in the delivery of multi-channel devices)
  • Clipping display on the amplifier side panel
  • Optimized for standard 12V charging systems (Low Voltage Technology)
  • The remote control only works for voltage and temperature.

Technical Data

  • Input sensitivity: 6V - 0.2V
  • 1300 x 1 @ 1 Ohm RMS Stereo
  • 220 x 4 + 800 x 1 @ 2 Ohm RMS Stereo
  • 125 x 4 + 480 x 1 @ 4 Ohm RMS Stereo
  • 2 OHM stereo stable / 4 OHM bridged stable
  • Variable Subsonic Crossover Filter: 10Hz - 100Hz
  • Variable high-pass filter: 50Hz - 500Hz (500Hz - 5kHz at x10)
  • Variable low-pass filter: 50Hz - 500Hz (500Hz - 5kHz at x10)
  • Multiply X1, X10 crossover
  • Efficiency: 75% 4OHM, at 100HZ
  • Signal-to-noise ratio: 105dB
  • Damping factor : 400
  • Frequency response: 10 Hz - 25 kHz
  • 12dB/OCT Variable Slope of the Crossover (HPF/LPF)
  • 12dB/OCT Variable Slope of the Subsonic Crossover
  • Tested Voltage & THD: 12.8V & less than 1% THD
  • Operating voltage: DC 9V - 15.5V input voltage
  • Recommended fuse: 200 Amperes
  • Dimensions 37.8 cm L x 17.4 cm W x 6.6 cm H

datasheet

Open data sheet

Frequently Asked Questions about SALT-1700.5


What power does the Sundown Audio SALT-1700.5 Amplifier provide at different Ohm values?

The Sundown Audio SALT-1700.5 Amplifier offers various power ratings depending on the Ohm settings. At 1 Ohm RMS Stereo, it delivers a power of 1300 x 1. At 2 Ohm RMS Stereo, the power is 220 x 4 for the four channels and 800 x 1 for the subwoofer channel. At 4 Ohm RMS Stereo, it is 125 x 4 plus 480 x 1. These values illustrate the versatility of the amplifier for different requirements. Such adaptability is essential, especially in complex audio systems. The stability at 2 Ohm stereo and 4 Ohm bridged further supports power adjustment.

How does the Sundown Audio SALT series optimize performance at low voltage?

The Sundown Audio SALT series, specifically the SALT-1700.5, represents a technological advancement by being optimized for operation at lower voltages. The amplifiers in this series utilize Sundown Audio Low-Voltage Technology, which allows for high performance at realistic operating voltages in the range of 12 volts. This is particularly important as it provides top-notch performance in real-world applications without the need for high voltages. This optimization is perfectly designed for systems based on standard 12V charging systems, significantly increasing the efficiency of the amplifiers.

What protection measures does the SALT-1700.5 Amplifier offer?

The Sundown Audio SALT-1700.5 is equipped with a comprehensive multi-way protection circuit system. These protection measures cover thermal issues, voltage deviations, speaker short circuits, and DC offset. These features ensure that the amplifier and connected components are protected from undesirable operating conditions, enhancing the durability and reliability of the entire audio system. Notably, there is also a built-in clipping indicator that visually represents overdriven signals. This keeps you informed and allows you to proactively respond to potential issues.

How does the input sensitivity affect the function of the amplifier?

The input sensitivity of the SALT-1700.5 Amplifier ranges from 6V to 0.2V. This range provides flexibility in selecting the input level from various signal sources, from high-level signals to low-level outputs. The more accurately the input sensitivity is set, the more efficiently the amplifier operates, as it can optimally amplify the input signal. Especially in professional audio installations, fine-tuning the input sensitivity is essential to ensure maximum audio performance and minimize distortion.

What functions does the remote control of the SALT-1700.5 offer?

The remote control of the SALT-1700.5 Amplifier is a useful tool for monitoring the audio system. It displays critical parameters such as voltage and temperature in real-time, allowing for continuous control of operating conditions. Additionally, it features a clipping indicator that immediately informs users of potential signal overdrive. This function ensures that the audio system operates under optimal conditions and protects it from harmful influences. The remote control also significantly facilitates operation and monitoring, especially in complex audio setups.

How does the heatsink affect the performance of the SALT Amplifier?

The heatsink of the SALT-1700.5 Amplifier is the most robust that Sundown Audio has ever produced and impresses with its enormous surface area. This design plays a crucial role in heat dissipation and ensures that the amplifier operates reliably even under the highest loads. Finished in a striking titanium color, it is not only functional but also an optical highlight. The improved cooling ensures consistent performance and protects the internal components from overheating, significantly increasing the amplifier's longevity and reliability.

What filter options does the SALT-1700.5 Amplifier offer?

The SALT-1700.5 Amplifier offers a variety of filter options that can individually adjust sound quality. These include a variable subsonic crossover filter from 10 Hz to 100 Hz and a variable high-pass filter from 50 Hz to 500 Hz, which can be extended to 500 Hz to 5 kHz at the x10 setting. The variable low-pass filter covers the same range. With a slope of 12 dB/octave for high, low, and subsonic filters, these features allow for precise frequency separation and significantly optimize the listening experience.

How does the frequency response affect audio quality?

The SALT-1700.5 has a frequency response of 10 Hz to 25 kHz. This wide frequency range ensures that all relevant tones and nuances in the music can be reproduced, from deep bass to high frequencies. This frequency range is particularly beneficial for audiophiles who value detailed and faithful reproduction. With a signal-to-noise ratio of 105 dB, the noise level is minimized, resulting in clear and undistorted sound, even at high volumes.

What are the dimensions of the SALT-1700.5 and what should be considered during installation?

The physical dimensions of the SALT-1700.5 Amplifier are 37.8 cm in length, 17.4 cm in width, and 6.6 cm in height. During installation, it is important to ensure that there is sufficient space for air circulation to provide effective cooling. If installation in vehicles is planned, the available space must be carefully measured to prevent potential placement issues. This is crucial to ensure that the amplifier can operate without restrictions.

What technical specifications reflect the efficiency of the amplifier?

The efficiency of the Sundown Audio SALT-1700.5 is supported by various technical specifications. With an efficiency of 75% at 4 Ohm and 100 Hz, it demonstrates considerable performance. The damping factor of 400 illustrates control over speaker movement and contributes to sound precision. Both the operating voltage, which ranges from DC 9V to 15.5V, and the recommended Fuse of 200 Amperes are important factors that ensure the robust and efficient functioning of the amplifier. These specifications are essential for assessing performance.

Manufacturer information/responsible person

JR Labs
Rainer Jakob
Heinrich-Hertz-Straße 13 A
46325 Borken
Germany

Contact: jakobrainer@jr-labs.eu

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