8
Connections cont.
USB audio connections
The diagram below shows how to connect the amplifier to a personal
computer via USB connection. Connect a USB ‘B-A’ type lead from the
651A USB input to one of the USB ports on the PC.
The 651A is USB 1.1 (Full-speed) USB port compatible and support USB
Audio 1.0, which works with nearly all common operating systems
(Windows XP, Vista or 7 and Mac OS X 10.5 or higher) and computer types
without drivers and allows 16 bit audio at 32kHz, 44.1kHz and 48kHz to
be received.
Amplifier
Personal
Computer
Right
speaker
Left
speaker
Note: Always use a certified cable for USB Audio preferably one that
displays an official mark. USB cable connections longer than 3m may
result in inconsistent audio performance.
The 651A also works with most builds of Linux using the native Audio 1.0
driver. Because Linux builds vary according to their creator’s choice of
software components including drivers, it is not possible to guarantee
operation and Audio drivers may need to be loaded.
‘Class drivers’ as they are called for generic support of Audio Class 1.0
device may be available from the Linux community as we do not supply
these drivers.
Always turn the Volume to minimum, or turn the
651A off before plugging/unplugging cables to the
USB input or whilst booting up your PC/Mac.
