Henry Engineering AES DIGITAL DA 2X4 Manual

Henry Engineering Modtager AES DIGITAL DA 2X4

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AES DIGITAL DA 2X4
ZERO-DELAY AES DISTRIBUTION SYSTEM
DESCRIPTION
The AES Digital DA 2X4 is a distribution system for digital audio signals. It can accept either an AES or S/PDIF
digital audio stream, and create four identical AES outputs. The AES DA is 100% bit-accurate and transparent to
the source, adding absolutely no delay or latency to the signal. The AES input and all four AES outputs are
individually transformer balanced and isolated from ground. The S/PDIF input signal is converted to an AES
standard level and source impedance. The AES I/O is via XLR connectors to the AC “safety” ; Pin 1 is connected
ground. The S/PDIF input is via an RCA connector; the shield is isolated from the AC ground. No user adjustments
or calibration is necessary. A blue “Signal” LED confirms the presence of an input signal.
The AES DA 2X4 is powered with an internal power supply. It is 1/3 rack wide, and can be mounted using the
optional Rack Shelf. It can also be mounted with Henry Engineering’s Desk Mount Kit or the optional wall/cabinet
mounting brackets.
WARNING! Confirm AC line voltage before connecting to AC power. The unit is factory-set for
use with 115 volts AC. To change to 230 volt operation: Unplug the unit and remove the top
cover. Remove two jumpers between E6+E9, and between E7+E8. Install one jumper between
E6+E7. Replace F1 with a .125a fuse. Jumpers should be changed by a qualified technician only.
INSTALLATION
There are separate inputs provided for AES and S/PDIF digital inputs. Only ONE input may be used at a time;
do not use both inputs simultaneously.
AES Input: connect AES Input signal to Pins 2 & 3 of the female XLR connector on the rear panel. This input is
transformer-coupled and isolated from ground. Pin 1 of the XLR is internally connected to the AC “safety” ground.
S/PDIF Input: connect to the S/PDIF RC ated from the AC “safety” ground. A input connector. This input is isol
There are no user adjustments on the AES DA 2X4.
OPERATION
Using the AES DA 2X4 is simple and straightforward. Either an AES or S/PDIF input signal will produce four
identical AES outputs. In most cases, the shields of AES cables may be connected at both ends. In the event of an
AC ground loop, the shield(s) may be disconnected from Pin 1 of the XLR connector(s).
Presence of an AES output signal of at least 3v p-p will be confirmed with the blue SIGNAL LED on the front panel.
There is no delay or latency introduced; the outputs are bit-accurate “clones” of the source. Note that S/PDIF-
sourced streams may include SCMS copy-code data, although this data is generally ignored by AES equipment.
SPECIFICATIONS
AES Input 110 ohms, transformer balanced
S/PDIF Input 75 ohms, unbalanced
AES Outputs 110 ohms, transformer balanced X4
Sample Rate 32 kHz – 192 kHz
Bit Depth >24 bits
Power Input 115 or 230 VAC, 50-60 Hz, 3W
Physical Size 5.7”w x 1.7”h x 6.0”d, 3 lbs
Construction Steel enclosure
Approvals City of Los Angeles ETL/CE/ROHS
Specifications subject to change without notice. Rev. 2015
HENRY ENGINEERING
PO Box 3796
Seal Beach, CA 90740
Tel: 562.493.3589
www.henryeng.com
TM

Produkt Specifikationer

Mærke: Henry Engineering
Kategori: Modtager
Model: AES DIGITAL DA 2X4

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