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The SMR
™
821a is a professional microphone and line level audio program mixer intended for
fixed installation applications. This single‚ rack-mount unit is designed to provide high-quality
audio performance using versatile control options and a simple user-interface. Engineered from
the ground up with the commercial sound systems contractor in mind‚ the SMR 821a includes
many features for easy operation‚ installation and servicing.
With three independent audio output buses‚ the SMR 821a is perfect for applications where
zoned output and simple monitoring is required. Six of the eight inputs include high-quality
microphone pre-amplifiers and separate gain controls. Additional rear panel controls provide
even more flexibility for proper gain setup‚ output assign and remote control features.
In stand-alone applications‚ the SMR 821a is a very powerful tool. Ease of use‚ external control
options and a simple user-interface make it perfect for many applications where the end-user
must have access to the audio system. The ability to link multiple units provides even more
flexibility for a wide range of applications.
This manual describes the features of the SMR 821a and how it can fit into a variety of
applications.
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· single rack space design
· eight total inputs: 6 balanced mic/line; 2 unbalanced stereo
· LED level/clip status indicator on each channel
· mic inputs include selectable 48-volt phantom power
· two selectable stereo line inputs (mono or stereo switchable)
· three assignable electronically-balanced outputs: Left‚ Right‚ Aux
· master level controls for each output bus
· three 5-segment LED meter arrays
· 4-band EQ: low‚ low-mid‚ high-mid‚ high
· integral channel muting system with priority
· audio and mute bus linking
· Left‚ Right‚ Aux and Mute bus links for stacking multiple units
· rear panel master/slave linking mode switch
· remote master Left/Right level control port
· rear panel 20 dB pad switch on each microphone input
· front panel continuously variable preamp gain control
· rear panel bus assign switches for each microphone channel
· rear panel global 100 Hz low-cut filter switch for all microphone inputs
· mute bus with channel 1 rear panel threshold control
· select switch for routing microphone mix bus post remote control
‚ all audio I/O on removable Euro-type connectors