Shure SCM410

Overview

Product Details

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. The Shure 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

Features

IntelliMix- the most advanced and effective automatic mixing algorithm available, incorporating:

• Noise Adaptive Threshold
• MaxBus
• Last Mic Lock-On
• NOMA (Number of Open Mics Attenuated) - automatic gain adjustment as additional microphones are activated
• Inputs and Outputs - 4 balanced mic level XLR inputs, 1 balanced mic/line switchable XLR output, and 1 unbalanced RCA auxiliary output

Specifications

SCM410 FOUR-CHANNEL AUTOMATIC MICROPHONE MIXER

The Shure Model SCM410/E is a four-channel automatic microphone mixer designed for use in sound reinforcement, audio recording, and broad-cast applications. The SCM410 dramatically improves audio quality in any application where multiple microphones are required. Any low-impedance dynamic or condenser microphone (including wireless) can be used with the SCM410. Multiple SCM410 mixers can be linked to other SCM410 mixers,as well as to Shure Models FP410, SCM810, SCM800, and AMS8100 mixers.

Each input channel has a two-band equalizer and three logic terminals. The equalizer reduces unwanted low-frequency audio pickup and makes different microphone types–lavaliers, boundary and handheld–sound similar. The logic terminals can be used to control external devices

The SCM410 operates on 100-120 Vac power and the SCM410E operates on 220-240 Vac power. Each mixer is supplied with a power cord, rack-mounting hardware, and a link cable.

SYSTEM FEATURES

• Fast, noise-free microphone selection, which automatically adjusts to changes in background noise
• Automatic gain adjustment as additional microphones are activated-NOMA (Number of Open Microphones Attenuated)
• Last Mic Lock-On circuit maintains ambient soun
• Fits in half a rack space
• Adjustable EQ for each channel
• Active balanced microphone-level XLR inputs and an active balanced Mic/Line level XLR output
• Unbalanced auxiliary-level phono output
• Bi-color channel activation and clipping LEDs
• Peak-responding output limiter with LED indicator
• Peak-responding output level mete

SPECIFICATIONS

Frequency Response (at 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 (through 22 Hz – 22 kHz filter; Input at 12 o' clock and Master at 12 o' clock, all other controls full counter- clockwise)

• < 0.1% at +4 dBu output level, 50 Hz to 20 kHz

Hum and Noise (150 Ω source ; through 22 Hz – 22 kHz filter)

• Equivalent Input Hum and Noise: –123 dBV max., –125 dBV typical

Output Hum and Noise (channel controls full counterclockwise)

• 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 Ω resistors

Operating Voltage

• SCM410: 100-120 Vac rated nominal, 50/60 Hz, 100 mA (maximum)
• SCM410E; 220-240 Vac rated niminal, 50/60 Hz, 50 mA (maximum)

Mains Inrush Current (230 Vac, SCM410E only)

• 0.7 A peak

Temperature Range

• Operating: –7° to 49° C (20° to 120° F )
• Storage: –29° to 74° C (–20° to 165° 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)

Certifications

SCM410: UL listed to UL 6500 and cUL listed to E65 Canada. SCM410E: Conforms to applicable European Directives; eligible to bear CE marking. Low Voltage Directive 73/23/EEC: VDE GS- Certified to EN 60065. EMC Directive 89/336/EEC: Professional Audio Products Standard EN55103 (1996); Part 1 (Emissions) and Part 2 (Immunity).

Electromagnetic Compatibility (EMC) Statement

The SCM410E mixer is intended for use in E1 (residential) and E2 (light industrial) environments, as defined in European EMC standard EN 55103. It meets the applicable tests and perfor- mance criteria found in the standard for these environments

EMC conformance is based on the use of recommended and supplied cables.