Operation
50
AMM 10
The preamplifier of the
MIC/ZOOM
module is equipped with a limiter and a configurable
compressor. The limiter ensures a uniform maximum volume, while the compressor largely
compensates for different mouth-to-mic distances or varying loudness of speech. The
compressor function can be configured with jumpers prior to installation.
The front panel contains the volume control and the XLR input socket.
The "High / Low" slide switch is used to select an input sensitivity of -60dBu (High) or -40dBu
(Low). Another slide switch is used to allocate the signal to the left (L) or right (R) stereo
channel, or both channels simultaneously in mono operation (M).
Both slide switches are set back from the surface of the panel to protect against accidental
switching. They can only be operated with a pointed object, such as a ballpoint pen.
Maximum number within the AMM 10 system:
Up to 10
MIC/ZOOM
modules can be used, provided the power supply is adequate.
The
AUX/LINE-IN
module has two stereo phono sockets (L, R) and a 3.5mm stereo jack input.
It also features a volume control.
Maximum number within the AMM 10 system:
Up to 10
AUX/LINE
modules can be used, provided the power supply is adequate.
NOTE
EARTH LOOP
Connecting mains-powered audio sources with unbalanced outputs is often problematic, as an
earth loop may be formed via the equipment's earth wire, antenna or similar.
If you want to use audio sources connected to earth, such as a PC, notebook, video recorder,
tuner or similar with
AUX/LINE-IN
, we strongly recommend that you use the
TRAFO IN
(special
(special
(special
(special
accessory)
accessory)
accessory)
accessory)
(see "
TRAFO IN
TRAFO IN
TRAFO IN
TRAFO IN
" Page 54) plug-in module. This input transformer effectively breaks
the earth loop.
C - MIC IN
CD / PC IN
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