SCM268 datasheet(2/7 Pages) ETC2

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SHURE SCM268

DESCRIPTION

The Shure Model SCM268 is a transformer-balanced, four-

channel microphone mixer. Its simple, compact design delivers

superior performance and exceptional sound quality with low

noise and a flat frequency response.

Versatile in all types of applications, the SCM268 integrates

transformer-balanced XLR inputs, a switchable microphone/line

level transformer-balanced XLR output, phono jack inputs and

output, phantom power, and an auxiliary input channel. It can

function as a primary or add-on mixer for sound reinforcement,

recording, broadcast, or audio-visual presentation systems.

With the supplied hardware, the mixer’s half-rack chassis

mounts securely in single or dual rackmount installations. For

fixed installations, the SCM268 can be fastened on or below a

shelf, counter, or tabletop.

FEATURES

S Four transformer-balanced microphone inputs

S Transformer-balanced output—switchable mic/line level

S Five –10 dB line-level inputs

S Six-segment LED output level meter

S Built-in 12-volt phantom power

S Internal power transformer

S Built-in low-cut filter on microphone inputs (below 80 Hz)

FRONT PANEL

ÍÎ

ËÌ

Ê Gain Controls (1–4). Adjusts gain for microphone level in-

puts and auxiliary level inputs 1–4.

Ë AuxiliaryChannelGainControl(AUXIN).Adjuststheaux-

iliary channel input gain.

Ì Output Meter. LED meter indicates peak output signal level.

Í Master Gain Control (MASTER). Adjusts overall output

level.

Î 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

ÊË

ÌÏ

Ê Power Connector. Accepts 100–120 Vac (SCM268) or

220–240 Vac (SCM268E).

Ë Output Connector (MIC/LINE OUT). Transformer-bal-

anced XLR output connector. Switchable between line and

microphone level.

Ì Output Level Switch (MIC/LINE OUT). Recessed switch

changes the signal level of the XLR output connector:

In = Microphone Level

Out = Line Level

Í Auxiliary Output Connector (AUX OUT). Phono jack

feeds consumer-level audio equipment. Not affected by

MIC/LINE switch.

Î Auxiliary Level Inputs (AUX LEVEL INPUTS, 1–4). Phono

jacks connect to consumer-level audio sources.

Ï Auxiliary Input Channel (AUX IN). A dedicated auxiliary-

level input for the auxiliary channel.

Ð Phantom Power Switch (12V PHANTOM). Recessed

switch turns on phantom power for microphone inputs 1–4.

Ñ Microphone Level Inputs (MIC LEVEL INPUTS). Trans-

former-balanced, microphone-level XLR inputs.

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