From the manual, works ok with my one although I did have to check the V90 as stated in the PAD
All connections must be made before the mains adaptor is plugged in,
Additional USB information
On the host computer, a new mixer will be available, which is the default mixer whenever the DAC is plugged in. Use this mixer to select the source or adjust levels if required. CD, MP3, WAV files played on any software should now play through the DAC. This device has been designed to work with Windows 98, ME, 2000, XP, Vista, 7 and 8, Linux and Apple OS
The computer drivers for the USB input of the V90-DAC should install automatically. To check correct installation follow these steps:
and before any amplifier connected is switched on. Always switch off the equipment attached to the V90-DAC before connecting/disconnecting power, changing leads or inputs.
Digital coaxial inputs
Using good quality digital RCA (SPDIF) leads (not supplied), connect
the digital coaxial output from a digital audio source (e.g. CD player) to the V90-DAC COAXIAL socket.
Digital optical inputs
Using good quality optical (TOSLINK) leads (not supplied), connect the digital optical output from a digital audio source (e.g. CD player) to the V90-DAC OPTICAL 2 socket (or 1 if COAXIAL input is not already used).
Check the computer has picked up the device and is currently using it by clicking: (most Windows versions)
Note the COAXIAL and OPTICAL 1 inputs are a shared input. The unit will only respond to the first of these inputs to present a valid digital stream if both are used.
- Start - Settings - Control panel - Sounds and Multimedia - Audio
A quality USB A-B cable is required to connect the unit to a computer. Plug the B (square) end into the socket in the back of the V90-DAC and the A (rectangle) end into a free USB socket on your computer. Set the input select switch to “USB”.
Check “V90-DAC 24/96” appears under PREFERRED AUDIO DEVICE tab.
Once the unit is plugged in and powered, the computer should detect the new hardware and install a generic driver automatically (No setup or driver disk required). The V90-DAC is then ready to play V90-DAC, CD or any other form of music file recognised by the computer.
- System preferences - Hardware - Sound
Make sure following the amplifier is turned off. Connect the V90-DAC
Check that “V90-DAC 24/96” is selected under the OUTPUT tab.
If the computer’s warning sounds/chimes are to played through the
left and right outputs to the line level inputs of the amplifier system.
DAC, make sure it is selected under the SOUND EFFECTS tab too.
Plug the DC connector lead from the power supply unit into the V90-
This device is a high speed serial data processor, and by its nature, requires a very high volume of USB bandwidth. It will benefit greatly from being the only device connected on its USB ‘port’. Sharing the same port with other devices may cause unwanted artefacts such as dropouts or temporary loss of signal. This especially includes the use of the DAC on a USB hub/splitter alongside other USB components.
DAC’s power inlet socket, and plug the adaptor itself into a convenient wall mains outlet. The blue LED will light to confirm the unit is ready for use, and the green LED should also be lit indicating presence of digital signal.
Use Turn the volume on amplifier to normal listening levels, set the input selector switch to desired input, sit back and enjoy the music!
Check the computer has picked up the device and is currently using it by clicking: (MAC OS X)