Mach M Flex 12 User Manual - page 9
Rear panel interfaces
9
Note:
When the limiter LED comes on now and then, the speaker is
approaching the maximum output. The indicator comes on 2 dB
before limiting sets in, and occasional flickering of the LED is
fully normal. It does not mean that the speaker is overloaded.
However, pushing the volume up until the LED lights up almost
continuously might result in clipping the input and can in
extreme situations cause damage to the amplifier or drive units.
In this case, either reduce output level from the source, reduce
bass or treble boost on the EQ, or reduce master volume or
microphone gain.
See also “Stand-by function” on page 12.
I N P U T S E C T I O N
M i c r o p h o n e i n p u t
The microphone input accepts a standard XLR connector. Apart from accepting
microphones, the input can be switched to accept line signals by pressing the
Mic/line selector.
M i c . / l i n e s e l e c t o r
Pressing the Mic/Line selector button enables the microphone input to be used as a
line input.
The Mic/line selector control the sensitivity of the input as follows:
• Mic.: +5 dB to +40 dB
• Line: PAD –20 dB to +15 dB
Signal Input Volume is controlled by the Mic. gain control.
M i c r o p h o n e l i n k
This XLR output enables you to link the microphone signal to other M
•Flex speak-
ers. It is a passive thru link so the output signal of the plug is similar to the input sig-
nal.
L i n e i n p u t 1 & 2
Line 1 and 2 feature a ¼” Jack plug, which accepts a balanced or unbalanced line
level signal from sources such as CD players, cassette, MP3 players, computer
sound-card outputs, keyboard and other electrical instruments.
Note:
Input cables must be balanced. Unbalanced cables will reduce
the input level by 6 dB.