Shure Incorporated
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This symbol indicates that dangerous voltage constituting a risk of electric shock is present within this unit.
This symbol indicates that there are important operating and maintenance instructions in the literature accom
panying this unit.
WARNING: Voltages in this equipment are hazardous to life. No user-serviceable parts inside. Refer all servicing to qualified
service personnel. The safety certifications do not apply when the operating voltage is changed from the factory setting.
General Description
The Shure Model SCM268 is a transformerbalanced, fourchannel microphone mixer. Its simple, compact design delivers su
perior 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
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
① Gain Controls (1-4).
Adjusts gain for microphone level inputs and auxiliary level inputs 1-4.