Shure SCM410 4-Channel Rack Mountable Automatic Mixer

Automatic mixing is a tremendous problem-solving tool allowing sound system installers to eliminate common problems such as insufficient gain before feedback and muddy speech quality. Shure is the industry leader in automatic mixing with our unique IntelliMix technology. IntelliMix automatically gates microphones on and off to optimize sound quality in conference facilities, houses of worship, governmental institutions, schools, etc.

Shure's SCM410 Automatic Mixer puts all the seamless performance of the 8-channel SCM810 - the recognized standard in automatic mixing - into a half-rack space.

SCM410 Key Benefits:

Increases the clarity and intelligibility of speech

Dramatically reduces feedback, reverberation, and comb filtering

Automates several rigorous operator functions

Minimizes set up time - plug and play

Frees up channels on the mixing console

The SCM410 can be used as a turnkey mixing solution in a variety of speech applications:

Fixed Audio Installations - houses of worship, schools, conference facilities, legislature, hotels

Portable Applications - rentals, A/V carts, portable audio racks

Interfaces with Crestron control systems

Measurement Conditions (unless otherwise specified)	Line voltage 120 Vac, 60 Hz (SCM410) or 230 Vac, 50 Hz (SCM410E); full gain; 1 kHz, one channel activated; source impedances: Mic 150 ohms; terminations: Line/Mic Aux 10 kilohms
Frequency Response (Ref 1 kHz, channel controls centered)	50 Hz to 20 kHz +/- 2 dBh; -3 dB corner at 25 Hz
Voltage Gain (typical, controls full clockwise)	Output Input Line Mic Aux Low-impedance mic 150 ohms 80 dB 40 dB 68 dB
Total Harmonic Distortion	<0.1% at +4 dBu output level, 50 Hz to 20 kHz (through 22 Hz to 22 kHz filter; Input at 12 o' clock and Master at 12 o' clock, all other controls full counterclockwise)
Hum and Noise (150 ohm source; through 22 Hz to 22 kHz filter)
Equivalent Input Hum and Noise	-123 dBV max., -125 dBV typical
Output Hum and Noise (channel controls full counterclock-wise)
Master full counterclockwise	-90 dBV
Master full clockwise	-70 dBV
Common Mode Rejection	>70 dB at 1 kHz
Polarity	All inputs to all outputs are non-inverting
Input Channel Activation	Attack Time: 4 ms Hold Time: 0.4 s Decay Time: 0.5 s
Off-Attenuation	13 dB
Overload and Shorting Protection	Shorting outputs, even for prolonged periods, causes no damage. Microphone inputs are not damaged by signals up to +10 dBV (3V)
Equalization	Low-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
Limiter	Type: Peak Threshold: +16 dBu (at output) Attack Time: 2 ms Recovery Time: 300 ms Indicator: Lights red when limiting occurs
Input LEDs	Green on channel activation, red at 6 dB below clipping
Phantom Power	12 Vdc open-circuit through 680 ohm resistors
Operating Voltage	100-120 Vac rated nominal, 50/60 Hz,100 mA (maximum)
Temperature Range	Operating: -7 degrees to 49 degrees C (20 degrees to 120 degrees F ) Storage: -29 degrees to 74 degrees C (-20 degrees to 165 degrees F)
Overall Dimensions	44 mm H x 219 mm W x 267 mm D (1-3/4 x 8-5/8 x 10-1/2 in.)
Net Weight	1.75 kg (3.86 lbs)

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Shure SCM410 4-Channel Rack Mountable Automatic Mixer

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