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,
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
FRONT PANEL
Gain Controls (1-4). Adjusts gain for microphone level
1
inputs and auxiliary level inputs 1-4.
Auxiliary Channel Gain Control (AUX IN). Adjusts the
2
auxiliary channel input gain.
Output Meter. LED meter indicates peak output signal
3
level.
REAR PANEL
Power Connector. Accepts 100-120 Vac (SCM268) or
1
220-240 Vac (SCM268E).
Output Connector (MIC/LINE OUT). Transformer-bal-
2
anced XLR output connector. Switchable between line and
microphone level.
Output Level Switch (MIC/LINE OUT). Recessed switch
3
changes the signal level of the XLR output connector:
In = Microphone Level
Out = Line Level
Auxiliary Output Connector (AUX OUT). Phono jack
4
feeds consumer-level audio equipment. Not affected by
MIC/LINE switch.
SHURE SCM268
1
1
2
3
4
5
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.
•
Built-in 12-volt phantom power
•
Internal power transformer
•
Built-in low-cut filter on microphone inputs (below 80 Hz)
2
3
Master Gain Control (MASTER). Adjusts overall output
4
level.
Power Indicator (POWER). This LED illuminates when the
5
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.
6
7
Auxiliary Level Inputs (AUX LEVEL INPUTS, 1-4). Phono
5
jacks connect to consumer-level audio sources.
Auxiliary Input Channel (AUX IN). A dedicated auxil-
6
iary-level input for the auxiliary channel.
Phantom Power Switch (12V PHANTOM). Recessed
7
switch turns on phantom power for microphone inputs 1-4.
Microphone Level Inputs (MIC LEVEL INPUTS). Trans-
8
former-balanced, microphone-level XLR inputs.
7
4
5
8