
Power Control Connections
Your amplifier features a built-in remote turn-on system that will
automatically switch the amplifier on when another device in the
system is switched on.
Remote Turn-On Using Products Equipped with a
Low Voltage Trigger Jack
Press the front panel power switch on the amplifier so that it is in
the ON position. Then, using an accessory cable with a 3.5mm
mono mini-plug on each end, connect the trigger-output jack on
the rear of the source device to the trigger input jack on the back
panel of the amplifier. When these connections are made, the am-
plifier will automatically turn on whenever the triggering device is
turned on.
Remote Turn-On Using External AC to DC Power Converter
If your source device does not have a dedicated trigger jack, it is
still possible to activate the unit for automatic turn on when a
Switched Outlet is available on the rear of the source device. To
control the amplifier in this fashion, you will need a small AC to
DC power converter, capable of delivering a 3.3 to 24 volt DC
signal. The DC voltage should terminate in a standard 3.5mm type
mini plug. This type of converter may be obtained as a Power
Adapter from many electronics retailers. When installing, press
the Main Power Switch on the front panel of the amplifier in so
that it is in the ON position. Plug the AC adapter into a switched
outlet on the source device that will be activated when you wish to
have the amplifier turn on. This may be the switched outlet at the
rear of an AC receiver or other audio equipment. Connect the
3.5mm mini-plug from the adapter to the trigger-input jack on the
back panel of the amplifier. The amplifier will now turn on and off
automatically, based on the status of the controlling device.
AC Power Connector
The AC input connector provides power to the unit with the sup-
plied power cords. The 120VAC version of the 6000 series ampli-
fiers is supplied with two 15 Amp power cords with standard NE-
MA-5-15P plugs on one end. The 230VAC versions are supplied
with Schuko IEC 60320 with C19 plug. Some 230VAC versions
are supplied with a different plug. Please check with your dealer
for details.
WARNING
Both power cords for at AT6002, AT6003 and AT6004 may be
plugged in to a single 15 Amp circuit (120VAC) OR 8 Amp
(230VAC). Each power cord for the AT6005, AT6006 and
AT6007 must be plugged into separate 15 Amp circuits
(120VAC) or 8 Amp circuits (230VAC). Separate circuits typi-
cally are connected to different circuit breakers at the service
entrance of the building.
Do not attempt changes to your household electrical circuits
by yourself, instead hire a licensed qualified electrician.
CAUTION!
Never make or break connection to the 6000 series amplifiers
unless the amplifiers and all associated components are pow-
ered off.
NOTE: It is NOT RECOMMENDED that you connect other power
amplifiers, or products with a high current draw, to the same AC
power circuit as the amplifier. If this is unavoidable, the Ultra-Soft-
Start circuitry of your amp will prevent excessively high inrush
current.
Amplifier Operation
After all connections have been made you are ready for opera-
tion. First, turn on the source components and processor in your
system. It is always a good idea to turn on your amplifier LAST.
This avoids the possibility of any turn on pops or transients from
other equipment being amplified and sent to your speakers where
they may cause damage. Always start with a low volume level on
your controller or preamp to avoid damage to your speakers.
Manual Turn-On
First, press the two rear-panel master power switches so the
vertical lines (top of the switch) are depressed. The amber
STAND-BY light on the front-panel power switch will illumi-
nate. Press the front-panel power switch to start the turn-on
process. The switch will illuminate. After a pause of up to 45
seconds the front panel logo will light and sound is available to
the speakers. To turn the unit off, press/touch the power switch
again. The ON indicator light will go out and STANDBY light
will illuminate. Press the ATI logo to turn off the back-light.
Press it again to turn it back on. If the ATI logo is turned off, it
will remain off when the amplifier is again powered on. Press
the logo to turn it back on.
Automatic Turn-On
Make certain that the connection to the controlling device is
correct. Whenever the controlling device is turned on, the am-
plifier will automatically turn on after a short pause. This pause
is intentional, and it protects your speakers from damage while
the amplifier stabilizes. You may also hear a relay click as dur-
ing start up. This is also normal. To turn off your amplifier,
simply turn off the device feeding the amplifier it’s audio sig-
nals. The amplifier will automatically go into a standby mode in
a few moments.
Peak Indicator Light
This indicator circuit continually monitors the output level of
your amplifier. If the light stays illuminated continuously for
more than ten seconds. The volume setting from your preamp or
source device should be turned down to avoid speaker damage.
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