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CT Power Amplifiers
page 9
CT Power Amplifiers
Operation Manual
4.8 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 amplifier (see
Section 7.6).
3. Turn on the “Power” switch. The Power 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.
If you ever need to make any wiring or installation
changes, don’t forget to turn off the amplifier and
discon nect the power cord.
For help with determining your system’s optimum gain
structure (signal levels) please refer to the Crown
Ampli fier Application Guide, available online at
www.crownaudio.com.
5 Precautions
Your amplifier is protected from internal and external
faults, but you should still take the following
precautions for optimum performance and safety:
1. Before use, your amplifier first must be configured
for proper operation, including input and output
wiring hookup. Improper wiring can result in
serious operat ing difficulties. For information on
wiring and config uration, please consult the Setup
section of this manual or, for advanced setup
techniques, consult Crown’s Amplifier Application
Guide available online at www.crownaudio.com.
2. Use care when making connections, selecting
signal sources and controlling the output level.
The load you save may be your own!
3. Do not short the ground lead of an output cable to
the input signal ground. This may form a ground
loop and cause oscillations.
4. Never connect the output to a power
supply, battery or power main. Electrical
shock may result.
5. Tampering with the circuitry, or making
unauthorized circuit changes may be hazardous
and invalidates all agency listings.
6. Do not operate the amplifier with the red Clip LEDs
constantly flashing.
7. Do not overdrive the mixer, which will cause
clipped signal to be sent to the amplifier. Such
signals will be reproduced with extreme accuracy,
and loudspeaker damage may result.
8. Do not operate the amplifier with less than the
rated load impedance. Due to the amplifier’s
output protec tion, such a configuration may result
in premature clipping and speaker damage.
9. Output of amplifier cannot be bridged or multiple
channels cannot be connected together.
Remember: Crown is not liable for damage that results
from overdriving other system components.
4 Setup