26. Chime Tone Selector:
The MA series mixer amplier features two selectable Chime tones.
27. Phantom Power:
Selectable phantom power for each of the four microphone inputs, the phantom power is
generally used to power condenser type microphones. All cabling and connections must be
fully balanced and wired with 2-core screened cable while using phantom power. Connections
must be made and phantom power switched on before powering the amplier on.
28. DC Power Input:
The MA Series features a DC power input for use with battery backup systems or for use from
high capacity batteries in remote locations.
Rack Installation
The MA Series are rack mountable. The rack you use should be a double door rack where you
can open the front and rear panel. When mounting the amplier into the rack, please make sure
that there is enough space around the amplier.
Be careful when mounting the amplier into the rack. Put the heaviest products into the lower
part of the rack. Be aware that fastening the amplier with four screws on the front panel is not
enough.
Inputs
Short cables runs improve the sound quality remarkably. Input cables should be short and direct,
since high frequencies will mostly be absorbed if the cables are unnecessarily long. Besides that
a longer cable may lead to humming and noise problems. If the cable runs are unavoidable, you
should use balanced cables.
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