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speaker systems by over loading or overheating.
This LF30Hz Filter is used to prevent this happening, and add an appropriate low-pass filter in the input circuit.
13. Fan
This fan releases the heating from the unit by accelerating the air circulation (air flow from front to back), and its
speed is continuously variable.
4. INSTALLATION & CONNECTION
4.1 Mains Connection
Do not insert the power cord into this unit until voltage has been correctly set. Do not plug the power cord into the
mains until the voltage has been correctly set. Please ensure that the MACRO 830/1400/2400 Professional Stereo
Amplifier is supplied with the correct voltage before turning on this unit. If you can't power up this unit while turning
on the Mains Switch (1), please check the Breaker (6) on the rear panel first, maybe it is pressed to reset. Otherwise,
contact the technician or qualified personnel for any service.
Caution: To reduce the risk of electric shock, do not perform any servicing other than contained in this manual unless
you are qualified to do so. Please turn off this unit before any installation and connection, esp. when you connect
your unit into the sound system. This is important to prevent damage to the unit itself as well as other consequent
speaker system. The mains connection of the MACRO 830/1400/2400 Professional Stereo Amplifier is made by
using the enclosed power cord and a standard IEC receptacle, and it meets all of the international safety certification
requirements.
4.2 Rack Mounting
The most secure mounting is on a universal rack shelf available from various rack manufactures or your music
dealer. The MACRO 830/1400/2400 Professional Stereo Amplifier fits into one standard 19" rack unit of space.
Be sure that there is enough air space around the unit for sufficient ventilation. If heat release is inadequate, this
unit will retain heat inside, which may cause the protection, or even a fire.
4.3 Audio Connection
The
¡¶ LTO MACRO 830/1400/2400 Professional High Power Amplifier
TRS phone jack and it can be interfaced by several ways to support a variety of applications without any signal loss.
a. Wiring Configuration
Either the 1/4" TRS (Tip-Ring-Sleeve) phone jack or the XLR servo connector can be wired in balanced and unbal-
anced modes, which will be determined by the actual application status, Please wire your systems as the following
examples:
£»For 1/4" Phone jack
TS Type Unbalanced
£»For XLR connector
XLR Type Unbalanced
b. In Line Connection
For these applications, the
+
Tip
Sleeve
Pin2 (+)
Pin3 (-)
(Linked to Pin1 manually,
Pin1 ( )
MACRO 830/1400/2400 Professional High Power Amplifier
presents with balanced XLR connectors and 1/4"
+
-
Tip
Ring
Sleeve
TRS Type Balanced
Pin3 (-)
)
XLR Type Balanced
6
+
Tip
Ring
Sleeve
TRS Type Unbalanced
Pin2 (+)
Pin1 ( )
provides XLR con
nectors and 1/4"
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