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The record output may be turned off (see Customizing Your Nº383
for more information.) The record outputs will also be shut off
when the preamplifier is placed into standby.
10 AC mains receptacle
This IEC-standard AC mains receptacle is used with the remov-
able AC power cord to supply the Nº383 with power.
Warning! Prior to connection to the AC mains, please check the
voltage label on the rear panel of the Nº383 to ensure
that your unit conforms to the power supply in your
area.
Following the guidelines in the Quick Start section of this manual,
connect the power cord to this receptacle and the AC mains outlet
in the wall.
When power is first applied to the Nº383, it will run through an
automatic initialization sequence which displays a software identi-
fication code, and then enter standby.
For optimal sonic performance and longevity, the Nº383 is de-
signed to remain powered at all times (the standby button merely
mutes the preamplifier’s outputs and turns off the display). There
is an initial break-in period of at least 25-50 hours before the
Nº383 achieves optimum performance.
Note: If AC mains power to the Nº383 is interrupted, the
main output will be muted. When power is restored,
the initialization sequence described above will restore
the preamplifier to standby.
We recommend you allow the circuitry within your various sys-
tem components to stabilize by leaving it in standby for 1 to 2
minutes before use after a power outage.