AudioQuest Niagara 5000EU Руководство пользователя - Страница 7
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Печатать страницуtable, cabinet, shelf, or floor. When rack-mounting is required, these feet may be removed with a standard Phillips
screwdriver. The Niagara 5000EU's design obviates the need for compliant or high-Q isolation feet. Although many
audio/video products benefit greatly from these devices, the Niagara 5000EU may not.
Placement or proximity to other components is not critical, and, under standard use, the Niagara 5000EU does not
produce any appreciable heat. The Niagara 5000EU may be rack-mounted in a standard 19" rack by attaching the
optional Niagara Series 3-RU rack ears. To attach the optional rack ears to the Niagara 5000EU chassis, first remove
the three Phillips flathead screws from the front portion of both the left and right sides of the cover assembly.
Next, mount the rack ears flush against the back of the Niagara 5000EU's front panel. Finally, secure the rack ears
into place by installing the rack-mount kit's Phillips pan head SEMS screws.
When tight installations do not provide adequate room on a shelf or cabinet, the Niagara 5000EU can actually be
placed on its side. Such placement will pose no safety or performance compromises, but we recommend placing
a soft towel or carpet under the unit to prevent the chassis and front panel from being scratched or marred in any
way.
Connection to Audio/Video Components
AC Cable Routing
Once the Niagara 5000EU is placed, an appropriate 16-amp-rated AC cord must be connected to the rear panel
AC inlet (IEC-C20) connector. The AC cord must have an IEC-C19 female end connector and a grounded male
220-240VAC Schuko plug. We highly endorse the use of any AudioQuest NRG Series 16-amp-rated AC cord as the
Niagara-5000EU's Ground-Noise Dissipation technology relies on its use, but the Niagara 5000EU will function
adequately with any appropriate AC cord that meets the aforementioned requirements.
When facing the Niagara 5000EU's rear panel, the IEC-C20 inlet is located on the unit's lower-left side. The AC input
cord must be connected to an appropriate AC outlet (see "Power Source, " page 6).
Whenever possible, it is best to keep at least three inches (approximately 7cm) between AC cables and any signal
cable. When this is not possible in a practical layout of system cabling, crossing the AC cables to signal cables at 90
degrees is best to minimize induced noise.
Connecting AC cables to the Niagara 5000EU's NRG Schuko AC outlets –
WARNING!
The AudioQuest NRG Schuko AC outlets feature (as do all Schuko female receptacles), reversible polarity connection.
Though both orientations are safe to use, only one is correct for lowest noise and thus, best performance. All
Schuko AC outlets (1 through 12) can be measured with a polarity checking device, to determine which orientation
is best for the AC cord that is connected to your walls AC service outlet. Make certain you turn the front panel
power switch/breaker off between measurements and unplugging the cords.
To determine the optimum orientation of the outlet's AC cords, a polarity check device or even a digital multi-
meter is not always ideal. This is because many component power supplies feature bi-directional supplies, but
one direction typically has less current leakage than the other. It is best to listen to each component one at a
time and determine which orientation is best, then mark the outlet and the AC cords plug. The simplest means of
determining this is with no signal, but with all volume controls set to maximum. The quieter of the two orientations
is the correct one. For line-level components it may be necessary to place your ear by the loudspeaker high
frequency driver in a quiet environment, or; use audio to determine the most coherent non-distorted sound.
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