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3. digital inputs

These inputs accept digital audio signal (DAS) via cables equipped with either EIAJ optical or RCA (S/PDIF) coaxial connectors from digital sources such as a compact disc transport, laser disc transport, digital audio tape transport, or digital broadcast receiver.

The EIAJ input accepts digital audio signal (DAS) via optical cable equipped with the EIAJ optical connector (sometimes called “Toslink™”) from digital sources such as a compact disc transport, laser disc transport, digital audio tape transport, or digital broadcast receiver.

The RCA input accepts digital audio signal (DAS) via cables equipped with RCA-type connectors from digital sources such as a compact disc transport, laser disc transport, digital audio tape transport, or digital broadcast receiver.

The RCA input conforms to the Sony/Phillips Digital Interface Standard (S/PDIF), which calls for a 75Ω transmission of the DAS. Use a digital interconnecting cable specifically designed for the 75Ω S/PDIF standard when using this input.

4. balanced analog outputs

These outputs normally provide balanced line-level analog audio (via cables equipped with XLR-type connectors) to a preamplifier, integrated amplifier, or receiver equipped with balanced inputs (see “Setup and Installation”). The pin assignments used are AES-standard, as shown below:

Pin 1: Signal ground

Pin 2: Signal + (non-inverting)

Pin 3: Signal – (inverting)

Connector ground lug: chassis ground

Alternatively, you may elect to use the variable output capability of the Nº390S as a volume control, driving the power amplifier in your system directly. For a digital-only system, the Nº390S is an excellent preamplifier.

Since many people have at least one analog source, they will be better off having a full preamplifier to coordinate the operation of the entire system—digital and analog. In this case, you would leave the Nº390S in its factory-default setting of having a fixed (line level) output.

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Mark Levinson N390S owner manual Digital inputs, Balanced analog outputs

N390S specifications

The Mark Levinson N390S is a high-performance digital to analog converter (DAC) and audio processor that exemplifies the brand's commitment to superior sound quality and advanced technology. Renowned for its exceptional build quality and cutting-edge engineering, the N390S stands out as a centerpiece in high-end audio systems.

At the heart of the N390S is its state-of-the-art DAC architecture. It employs advanced multibit Delta-Sigma architecture, which ensures a precise and accurate conversion of digital audio signals into analog. This results in an incredibly clean and detailed sound signature, allowing users to experience their music as it was intended by the artist. The N390S supports high-resolution audio formats, making it compatible with a wide range of digital sources, including CDs, streaming devices, and high-resolution audio files.

One of the remarkable features of the N390S is its comprehensive connectivity options. It includes multiple digital inputs, such as optical, coaxial, and AES/EBU, as well as USB input for connecting modern computers and media servers. This versatility ensures that users can easily integrate the N390S into their existing audio systems, regardless of the source devices they use.

The N390S is equipped with a sophisticated digital signal processor (DSP) that provides advanced processing capabilities. It includes features like digital filtering and upsampling, which enhance the audio quality by improving the timing and precision of the sound. Users can customize the sound to their liking, providing a tailored listening experience that can adapt to different musical styles and preferences.

In terms of build quality, the N390S features a robust chassis designed to minimize vibrations and external interferences, further preserving audio integrity. The premium components used in its construction lend to its durability and long-lasting performance.

Finally, the user-friendly interface of the N390S, combined with its high-resolution display, makes navigation simple and intuitive. Overall, the Mark Levinson N390S is a remarkable piece of audio technology that delivers exemplary sound quality, luxurious design, and impressive flexibility, making it an ideal choice for audiophiles seeking the ultimate listening experience.