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A/D converter
NEXUS Analog Card XAD+

The XAD+ board is designed for connecting analog signal sources with line levels. The board offers eight inputs, is available with different connectors and uses the patented TrueMatch converter for outstanding audio values.


NEXUS - XAD+ – The concept:

The XAD+ input card is equipped with Stage Tec‘s patented TrueMatch converter technology. Outstanding analog circuit design paired with modern DSP tech- nology form the basis of these reference converters, which are characterized by minimal converter errors, very low distortion, excellent aliasing suppression and permanent self-calibration. Even ata sampling rate of 44.1 kHz, the transpa- rency of the digitized signal exceeds the quality of conventional converters by far. The dynamic range of 133 dB is top worldwide; it is only surpassed by Stage Tec‘s XMIC cards. The board supports sampling rates of up to 96 kHz and can be used in a wide range of applications. Wherever line level inputs are required, they can be used flexibly. Their 8 channels per card represent an optimal order of magnitude, with which systems can be designed cost-efficiently.

The three versions available support the typical range of applications in the best possible way: boards with XLR connec- tors allow the construction of connection panels without further effort; the version with Sub-D connectors is the preferred solution for direct cabling within racks, and the version with RJ45 sockets is the intelligent solution for fixed installations with remote connection boxes.

NEXUS - XAD+ – Features:

Available in XLR, Sub-D and RJ45 versions This module can optionally be supplied with different front panels, the electrical conversion remains the same. XLR so- ckets are suitable for constantly changing setups, while the Sub-D version is suita- ble for permanently wired installations. With the RJ45 version, four channels each are connected to one socket and enable fast and cost-effective cable laying with conventional Cat5 cables (or better). For signal sources to be connected locally via XLR connectors, the optional RJ45-ADP adapter circuit board is available, which converts RJ45 back to XLR.

AD conversion with 133 dB dynamic range and +24 dBU maximum level With the XAD board, an otherwise unat- tained dynamic range can be achieved as well as a high absolute input level can be fed in.

Transformer-insulated input stages STAGETEC‘s transformer-insulated inputs have significant advantages over conven- tional circuits: They are insensitive to ma- gnetic fields and have a lower distortion factor, especially at high and low levels and at low frequencies. They also offer high symmetry, galvanic isolation and a lower input capacitance.

Excellent linearity and permanent self- calibration The STAGETEC TrueMatch converters ope- rate according to the Delta Sigma prin- ciple and are therefore linear in design. The signals of the individual converter stages are compared with each other and irregularities that occur e.g. due to aging or heating of the components are corrected.

NEXUS - XAD+ – Use cases:

Supply of line sources on stage With the growing number of electronic musical instruments and sound gene- rators currently used by bands, DJ‘s, performance artists and even orchestras, the need for line inputs for analog signals continues to grow. Especially in the semi-professional musician sector it can happen that an instrument has only one headphone output, which has to serve as a signal source.

With the NEXUS XAD card, STAGETEC provides the non-plus-ultra analog line inputs: 8 mono channels on one card, TrueMatch(R) technology, an incredible dynamic range of 133 dB and a maximum level of +24 dBU are just a few of the outstanding characteristics.

High-quality line input in the recor- ding room In the recording studio, the XAD+ input board for NEXUS base devices is the tool of choice when it comes to converting line signals. With keyboards, drum ma- chines or modeling amps, many devices with analog outputs are used in everyday production, whose signals need to be digitized to a high standard of quality. When using analog microphone preamp- lifiers, the subsequent conversion is also decisive for the successful detection of the sound sources and their further use in the digital range. Because with the un- surpassed dynamics and resolution of the XAD+ card, all nuances are captured.

NEXUS – XAD+ – Technische data:
NEXUS - XDA+ - Technical data:
Technical specifications
NEXUS - XMIC + - Technical data:
Technical specifications
NEXUS - HXAD - Technical data:
Technical specifications
NEXUS - HXDA - Technical data:
Technical specifications

NEXUS XAD+ - Downloads:

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