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Shure SCM810 8-Channel Automatic Microphone Mixer

 
  • Dale #:

    SHUR-SCM810
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Description

This eight-channel automatic mixer features the Shure patented IntelliMix®, which activates only microphones being addressed, minimizing poor audio caused by multiple open microphones. The SCM810 is designed specifically for installed sound applications. Features include adjustable EQ per channel... Read More

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Description

This eight-channel automatic mixer features the Shure patented IntelliMix®, which activates only microphones being addressed, minimizing poor audio caused by multiple open microphones. The SCM810 is designed specifically for installed sound applications. Features include adjustable EQ per channel, 48 V phantom power, active balanced microphone - or line-level inputs, line-level outputs, highly RF resistant chassis and circuitry, complete logic control of microphone activation, linking capacity for up to 400 microphones, with an internal power supply. 120/230 Vac power.

Features:

  • Eight balanced mic-line input channels (Phoenix block connectors)
  • One unbalanced 1/4" aux level input
  • Eight unbalanced 1/4" direct line level outputs
  • One balanced master line level output (Phoenix block connector)
  • Selectable 46V phantom power per channel
  • Level selectable peak output limiter
  • Full rack width (single rack height)

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Product Specs

Measurement Conditions (unless otherwise specified)Line voltage 120 Vac, 60 Hz (SCM810) or 230 Vac, 50 Hz (SCM810E); full gain; 1 kHz, one
channel activated; source impedances: Mic 150 ohms, Line 150 ohms terminations: Line 10
kilohms, Phones 300 ohms (tip-sleeve and ring-sleeve), Direct Out 10 kilohms; Auto mode,
equalization controls adjusted for flat response
Frequency Response (Ref 1 kHz, channel controls centered)50 Hz to 20 kHz +/- 2 dB; -3 dB corner at 25 Hz
Voltage Gain (typical, controls full clockwise)  
Total Harmonic Distortion<0.1% at +18 dBV output level, 50 Hz to 20 kHz (through 20 Hz-20 kHz filter; Input 1 and Master at 5, all other controls full counterclockwise)
Hum and Noise  
Equivalent Input Noise-125 dBV (150 ohm source; through 400 Hz - 20 kHz filter)
Equivalent Input Hum and Noise-123 dBV (150 ohm source; through 20 Hz - 20 kHz filter)
Output Hum and Noise (through 20 Hz to 20 kHz filter; channel controls full counterclockwise)  
Master full counterclockwise-90 dBV
Master full clockwise-70 dBV
Common Mode Rejection>70 dB at 1 kHz
PolarityMic/Line, Send inputs to all outputs are non-inverting; Aux input to all outputs is inverting
Input Channel Activation
Attack Time4 ms
Hold Time0.4 s (switchable to 1.0 s)
Decay Time0.5 s
Off-Attenuation15 dB (switchable to infinity)
Overload and Shorting ProtectionShorting outputs, even for prolonged periods, causes no damage. Microphone inputs are not
damaged by signals up to 3 V; Line and Monitor inputs by signals up to 20 V
EqualizationLow-frequency: 6 dB/octave cut, adjustable corner from 25 to 320 Hz
High-frequency: +/- 6 dB at 5 kHz, +/- 8 dB at 10 kHz, shelving
LimiterType: Peak
Threshold: Switchable: off, +4, +8, +16 (dBm at output)
Attack Time: 2 ms
Recovery Time: 300 ms
Indicator: Lights red when limiting occurs
Input LEDsGreen on channel activation, red at 6 dB below clipping
Phantom Power46 Vdc open-circuit through 6.8 k series resistance per DIN 45 596
Operating Voltage120 Vac rated nominal (see Voltage Selection for 230 Vac operation in User Guide),
50/60 Hz, 200 mA
Temperature RangeOperating: 0 degrees to 60 degrees C (32 degrees to 140 degrees F)
Storage: -30 degrees to 70 degrees C (-20 degrees to 165 degrees F)
Overall Dimensions44.5 mm H x 483 mm W x 317 mm D (13/4 x 19 x 121/2 inches)
Net Weight4.3 kg (9 lb 9 oz)

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