Emotiva XDA-1 User Manual download pdf (Page 18)

Page 14

XDA-2

Connection and Configuration

Input Connections

Connect one or more digital input sources to the XDA-2.

The AES/EBU, Toslink, and Coax S/PDIF digital inputs accept standard sample rates and

bit depths up to 192k / 24 bits (44.1k, 48k, 88.2k, 96k, 176.4k, 192k, 16 bit and 24 bit).

The USB input on the XDA-2 is intended to be connected to a computer or other USB host

device (not a USB thumb drive or hard drive) and will appear to that device as a

“USB audio device” or “USB speaker” (a “USB sound card”).

When using the XDA-2 with a Windows PC, you will need to install a (free) driver on the PC.

Some newer Apple computers, and some versions of Linux, may be able to connect to the

XDA-2 without a driver (if they have a USB Audio Class 2 driver built in).

Drivers, instructions for installing them, and details about the features and sample rates

supported by each, will be available on the XDA-2 product page of our website.

Note: The XDA-2 is a stereo PCM DAC and only accepts DIGITAL STEREO PCM audio

signals. The XDA-2 CANNOT decode Dolby Digital, DTS audio, or DSD content .

The XDA-2 has no analog audio inputs. If you connect the XDA-2 to a digital output

on a home theater pre/pro, Blu-Ray player, TV set, cable box, or media client, be sure

that the device is set to output stereo PCM digital audio.

Output Connections

The XDA-2 provides both balanced (XLR) and unbalanced (RCA) analog stereo

connections. Both sets of connections are active at the same time, and both are controlled

by the Volume control and Mute function.

Level control is via a precision digitally controlled analog resistor ladder network, which

ensures absolute repeatability and near-perfect channel matching. Because the Volume

control doesn’t reduce bit depth at low volume settings, the XDA-2 is ideal as a purist digital

preamp, and can be connected directly to a power amplier. If you use the XDA-2 as a

signal source with a separate preamp, you can either leave the Volume on the XDA-2 set

to maximum, or use it to match the output level of the XDA-2 to those of your other analog

devices.

When headphones are plugged into the front panel jack, the main outputs are disabled, and

the Volume buttons on the front panel (and on the remote control) adjust the headphone

output level. When no headphones are plugged in, the main outputs are active, and

the Volume buttons adjust the main output level. The XDA-2 remembers both settings

independently. When you unplug the headphones, the main output level on the XDA-2 will

return to its previous setting; when you plug the headphones back in, they will return to their

previous setting.

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Emotiva XDA-1 User Manual Page 18