AAnalog audio output terminals

Use either the XLR or RCA (pin) terminals for analog stereo output.

XLR: Use balanced XLR audio cable

RCA: Use RCA (pin) audio cable

<When using these terminals, set the Analog Out setting to “2ch” (or select “2ch” using the 2CH/MULTI button of the remote control unit) to downmix the multi-channel material to two channels.

Note that if the Analog Out setting is set to “Multi ch”, only the front L/R sound of the multi-channel material will be output from these terminals.

BDigital audio output terminals

Digital audio from CD is output from these terminals.

The unit may be connected using either coaxial or optical (TOS) commercially available cables to amplifiers, or to digital audio devices such as CD recorders, etc.

COAXIAL: Use RCA (pin) digital audio cable

OPTICAL: Use optical digital audio cable (TOS)

<The optical terminal is covered by a shutter. Make sure that the cable is firmly inserted, but do not force the cable when connecting it or removing it, in order not to cause damage to the unit.

<The DIGITAL OUT terminals cannot output the digital audio from Super Audio CDs.

Ci.LINK (AUDIO) terminal

In addition to the digital audio from CD, the digital surround audio from Super Audio CDs can be output from this terminal.

Use a commercially available S400 compatible i.LINK (IEEE1394) 6pin cable to connect the unit to an amplifier.

<When using this terminal, set the i.LINK output setting to “i.60958” or “i.PCM” (see page 19).

<See page 20 for further details on i.LINK.

<To enjoy surround sound from a Super Audio CD, connect the i.LINK (AUDIO) terminal to a suitably equipped surround sound amplifier.

DWord sync connector

This allows the use of an externally-generated word clock connection, using a commercially available BNC coaxial cable.

Devices producing such a suitable clock signal include external D-A converters, or dedicated word clock generators. Connect the SYNC OUT (or WORD OUT) of such a device to the unit.

ESIGNAL GND connection

Use a commercially available PVC-covered cord to connect the signal ground terminal on the unit to the amplifier signal ground.

<Note that this is NOT an electrical safety ground (earth).

FPower cord receptacle

After all other connections have been made, insert the supplied AC power cord into this receptacle, then connect the other end of the power cord into the wall socket. Ensure that your AC voltage corresponds to the voltage marked on the rear panel of the unit. Consult a qualified electrician if you are in doubt.

<In order to avoid the risk of electric shock, fire, and so on, only use the supplied power cord.

<If you are not going to use the unit for some time, disconnect the power cord from the wall socket.

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Esoteric X-03 Analog audio output terminals, Digital audio output terminals, Word sync connector, Signal GND connection

X-03 specifications

Esoteric X-03 is a cutting-edge digital-to-analog converter (DAC) that represents the pinnacle of audio engineering and technology. Designed for audiophiles and music enthusiasts, the X-03 is built to deliver an exceptional listening experience, showcasing the intricacies of music with remarkable detail and fidelity.

One of the standout features of the Esoteric X-03 is its dual-mono construction, which minimizes crosstalk and ensures an optimally balanced audio output. This architecture allows for the separation of left and right channels, providing a clearer and more spacious soundstage. The high-performance DAC chips used in the X-03 are capable of handling a wide range of audio formats, including high-resolution PCM audio and DSD (Direct Stream Digital), making it a versatile choice for modern music consumption.

The X-03 employs proprietary technology, such as the Esoteric Clock Jitter Reduction system, which effectively minimizes timing errors that can deteriorate audio quality. By maintaining impeccable timing during playback, this technology ensures that the music retains its dynamic range and tonal accuracy. Furthermore, the DAC features a robust power supply design, including multiple isolated power transformers that cater specifically to digital and analog sections, reducing noise and providing stable performance.

In terms of connectivity, the Esoteric X-03 offers a comprehensive range of inputs including USB, balanced XLR, and RCA, accommodating various audio sources. The USB input supports PCM audio up to 32-bit/384kHz and DSD256, allowing users to tap into the highest quality digital audio files available.

The user interface of the X-03 is intuitive, featuring a bright display that provides essential information while allowing for easy navigation through various settings and inputs.

In conclusion, the Esoteric X-03 is not just a DAC; it’s a robust audio tool designed for those who appreciate the subtleties of sound. With its advanced technologies and meticulous design, the X-03 delivers a remarkable listening experience, ensuring that every note and nuance is captured and reproduced with precision. It stands as a testament to Esoteric's commitment to excellence in high-end audio equipment, making it a cherished component for any serious audio system.