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SHURE SCM268
DESCRIPTION
The Shure Model SCM268 is a transformer-balanced, four-channel mi-
crophone mixer. Its simple, compact design delivers superior perfor-
mance and exceptional sound quality with low noise and a flat frequency
response.
Versatile in all types of applications, the SCM268 integrates transform-
er-balanced XLR inputs, a switchable microphone/line level transform-
er-balanced XLR output, phono jack inputs and output, phantom power,
and an auxiliary input channel. It can function as a primary or add-on mix-
er for sound reinforcement, recording, broadcast, or audio-visual presen-
tation systems.
With the supplied hardware, the mixer's half-rack chassis mounts se-
curely in single or dual rackmount installations. For fixed installations, the
SCM268 can be fastened on or below a shelf, counter, or tabletop.
FEATURES
• Four transformer-balanced microphone inputs
• Transformer-balanced output-switchable mic/line level
• Five -10 dB line-level inputs
• Six-segment LED output level meter
• Built-in 12-volt phantom power
• Internal power transformer
• Built-in low-cut filter on microphone inputs (below 80 Hz)
FRONT PANEL
Gain Controls (1-4). Adjusts gain for microphone level
inputs and auxiliary level inputs 1-4.
Auxiliary Channel Gain Control (AUX IN). Adjusts the
auxiliary channel input gain.
Output Meter. LED meter indicates peak output signal
level.
Master Gain Control (MASTER). Adjusts overall output
level.
Power Indicator (POWER). This LED illuminates when the
unit is plugged in and receiving power.
NOTE: The SCM268 does not have a power switch. To turn the unit
off, unplug the power cord or use an external power strip with a
switch. However, it can remain plugged in as it uses very little power
when idle.
REAR PANEL
Power Connector. Accepts 100-120 Vac (SCM268) or
220-240 Vac (SCM268E).
Output Connector (MIC/LINE OUT). Transformer-bal-
anced XLR output connector. Switchable between line and
microphone level.
Output Level Switch (MIC/LINE OUT). Recessed switch
changes the signal level of the XLR output connector:
In = Microphone Level
Out = Line Level
Auxiliary Output Connector (AUX OUT). Phono jack
feeds consumer-level audio equipment. Not affected by
MIC/LINE switch.
Auxiliary Level Inputs (AUX LEVEL INPUTS, 1-4). Phono
jacks connect to consumer-level audio sources.
Auxiliary Input Channel (AUX IN). A dedicated auxil-
iary-level input for the auxiliary channel.
Phantom Power Switch (12V PHANTOM). Recessed
switch turns on phantom power for microphone inputs 1-4.
Microphone Level Inputs (MIC LEVEL INPUTS). Trans-
former-balanced, microphone-level XLR inputs.
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