Shure : SCM410
Description
The Shure Mixer & DSP Series
SCM 410 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 SCM-410 Automatic Mixer puts all the seamless performance of the 8-channel SCM810 – the recognized standard in automatic mixing – into a half-rack space.
Features
→ 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 outputSpecifications
| 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 (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) | Input= Low-impendance mic (150 O), Output Line= 80dB, Output Mic= 40dB, Output Aux= 68dB |
| Inputs | Input= Mic, Impendance Designed for use with= 19-600 O, Impendance Actual (typical)= 1.4kO, Input clipping Level= -14dBV |
| Outputs | Output= Line, Mic, Aux; Impendance Designed for use with= .5kO, .600 O, .10kO; Impendance Actual (typical): 300 O, 3 O, 1.5kO; Output Clipping Level: 24dBV, -18dBV, 14dBV |
| Total Harmonic Distortion (through 22 Hz – 22 kHz filter; Input at 12 o' clock and Master at 12 o' clock, all other controls full counterclockwise) | < 0.1% at 4 dBu output level, 50 Hz to 20 kHz |
| Hum and Noise (150 O 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 O 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 |
| Operating Temperature Range | –7° to 49° C (20° to 120° F ) |
| Storage Temperature Range | –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) |