Operation Manual
Macro-Tech MA-24X6 & 36X12 Power Amplifiers
page 10
2.7 Connect to AC Mains
Connect the AC power cordset of your amplifier
to the AC mains power source (power outlet).
NOTE: The third prong of this connector
(ground) is an important safety feature. Do not
attempt to disable this ground connection by
using an adapter or other methods.
Amplifiers don’t create energy. The AC mains
voltage and current must be sufficient to deliver
the power you expect. You must operate your
amplifier from an AC mains power source with
not more than 10% variation above or below the
amplifier’s specified line voltage and within the
specfied frequency requirements (indicated on
the amplifier’s back panel label). If you are
unsure of the output voltage of your AC mains,
please consult your electrician.
2 Setup
2.8 Startup Procedure
Use the following procedure when first turning
on your amplifier:
1. Turn down the level of your audio source.
2. Turn down the level controls of the ampli-
fier.
3. Turn on the “Enable” switch. The Enable
indicator should glow.
4. Turn up the level of your audio source to an
optimum level.
5. Turn up the Level controls on the amplifier
until the desired loudness or power level is
achieved.
6. Turn down the level of your audio source to
its normal range.
If you ever need to make any wiring or
installation changes, don’t forget to turn
off the amplifier and disconnect the
power cord.
For help with determining your system’s
optimum gain structure (signal levels)
please refer to the Crown Amplifier Appli-
cation Guide, available online at
www.crownaudio.com.
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