Specifications; Analog Connections; Digital Signal Processing; Networking - Shure IntelliMix SMC820 Manual Del Usuario

Audio Frequency Response
20 Hz to 20 kHz (±1 dB)
Dynamic Range
20 Hz to 20 kHz, A-weighted, typical
Analog-to-Analog
Analog-to-Dante, Dante-to-Analog
Output Noise (mix output / direct output)
20 Hz to 20 kHz, A-Weighted, one channel open
Output Pad
Line (-0dB) Aux (-20dB)
−90 dBV −110 dBV
Equivalent Input Noise
20 Hz to 20 kHz, A-Weighted, input terminated with 150Ω, digital gain at +18 dB
Input Gain Setting
Line (+0dB) Mic (+26dB)
−93 dBV −118 dBV
THD+N
1 kHz, +4 dBu out, mix output (MASTER) at +0 dB
<0.05%
Common Mode Rejection Ratio
150Ω balanced source, at 1kHz
>70 dB
Polarity
Non-inverting, any input to any output
Dimensions
44 mm x 483 mm x 289 mm (1.7 in. x 19.0 in. x 11.4 in.), H x W x D
Weight
5.5 kg (12.0 lbs)
Housing
Steel; Extruded aluminum
Power Requirements
100 to 240 V AC, 50-60 Hz, 1 A
Operating Temperature Range
−18°C (0°F) to 63°C (145°F)
Storage Temperature Range
−29°C (-20°F) to 74°C (165°F)

Analog Connections

Channel Input
Configuration Impedance
Active Balanced 5 kΩ
Phantom Power
48 V DC, selectable per channel, 14 mA max.
Mic level settings only. Phantom power automatically switched off in LINE position.
Aux Input
Configuration
stereo, unbalanced
Mix Output
Configuration Impedance
Active Balanced 350 Ω
Direct Output
Configuration Impedance
Impedance Balanced 150 Ω
Headphone Output
6.35 mm (1/4") TRS, 100 mW, 350 Ω, dual mono (will drive stereo phones)
18
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Specifications

110 dB
113 dB
Mic (-46dB)
−135 dBV
Mic (+46dB)
−130 dBV
Clipping Level
Line (+0dB) Mic (+26dB) Mic (+46dB)
+20 dBV −6 dBV −26 dBV
Impedance Clipping Level
10 kΩ +10 dBV
Max Output Level
Line (-0dB) Aux (-20dB) Mic (-46dB)
+20 dBV 0 dBV −26 dBV
Max Output Level
+20 dBV

Digital Signal Processing

AD/DA Converter
24-bit, 48 kHz, 113 dB dynamic range typical
Internal Processing
32-bit
Latency
From channel input to mix output, Estimated Nominal, ±0.1 ms
Single Device ( ms)
Analog to Analog
Analog to Dante
Dante to Analog
Dante to Dante
T = Network latency in milliseconds, as set in the device preferences page or Dante Controller.
N
Note: Dante network latency is typically associated with the receiving device.
Channel Input Processing
Gain Adjustment Range −110 dB to +18 dB
Corner: 25 Hz to 320 Hz
Low Cut
Slope: 12dB/octave
Corner: 5 kHz
High Shelf Slope: 12dB/octave
Gain: −18 dB to +18 dB
Mix Output Processing
Gain Adjustment Range
Low Shelf
High Shelf
6-Band PEQ
Limiter

Networking

Network Interface
SCM820 Single Port, 10/100 Mbps Ethernet
SCM820-DAN Dual Port, Gigabit Ethernet, Dante digital audio
Cable Requirements
Cat 5e or higher, shielded, 100 m maximum
Network Addressing Capability
DHCP, link-local, static
In a Link Group ( ms)
0.51 0.76 + 4T
N
0.29 0.54 + 4T
N
0.28 + T 0.53 + 5T
N N
0.06 + T 0.31 + 5T
N N
−110 dB to +18 dB
Corner: 25 Hz to 20 kHz
Slope: 12dB/octave
Gain: −18 dB to +18 dB
Corner: 25 Hz to 20 kHz
Slope: 12dB/octave
Gain: −18 dB to +18 dB
25 Hz to 20 kHz, ±18 dB
Bandwidth: 1/70 to 4 octaves
Ratio: 10:1
Threshold: −50dBFS to −2dBFS
Attack: 0.1 ms
Decay: 100 ms