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Rear Panel Callouts
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1.
PREAMP OUT Jack - This output jack is fed from the preamp, and may be used with an
external power amplifier, to connect to a mixing console, or to an effects processor.
Use a standard 1/4" instrument cable when connecting to external devices.
2.
POWER AMP IN Jack - This line level input, low impedance jack connects directly to
the internal power amp, and can be used with external preamps. Use a standard 1/4"
instrument cable when connecting devices to this input. The internal signal path is
interrupted when a cable is connected to the POWER AMP IN jack.
3.
DIRECT OUT GROUND LIFT Switch - When pressed in (the "LIFT" position), pin 1 is
removed from the chassis. This should be used only when a ground loop hum or buzz
is heard. Otherwise, leave it in the out ("GROUND") position.
4.
DIRECT OUT Jack - Use this electronically balanced XLR jack to route signal from the
TX600 to a professional mixing console, as a tap to a main PA system via a mic input
on the console, or to an external amplifier. The DIRECT OUT signal is post EQ
5.
SPEAKER OUTPUT - Use these outputs to connect speakers to the amplifier output. The
amplifier provides both 1/4" and Speakon® output connectors, wired in parallel. It is
recommended to use the Speakon® jack whenever possible. The total impedance of
the speakers connected to all of the jacks must not be less than 4Ω.
6.
Fan - The variable speed fan provides vital cooling to the amplifier. Make sure that it
is kept free of all obstructions and that cool, fresh air is accessible at all times. Also,
try to ensure that the TX600 is used in a dust-free environment. The fan only runs
when needed and may not turn on when the TX600 is first powered on.
7.
AC input - Connect the supplied standard 3-pin "IEC" plug here.
8.
AC Voltage selection switch - This switch is used to set the operation voltage. Be sure
to check that the switch is set correctly for your country.
9.
Fuse sled - This contains a fuse holder for the amplifier. Make sure the voltage rating
is correctly set before powering up the amplifier.
10. POWER Switch - Use this to power the TX600 on or off. The switch lights whenever
the amplifier is powered on.
Note: There is a 2-3 second power-on time delay for the power amp is awake and
an additional 10 second power-on time delay until the preamp tube supply voltage
comes up.
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