Shure Comprehensive Guide to SCM410 Turntable Specifications

Page 9

SPECIFICATIONS

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 Ω; terminations: Line/Mic Aux 10 kΩ

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)

 

 

 

 

Output

 

 

 

 

 

 

 

 

Input

 

Line

Mic

Aux

 

 

 

 

 

 

Low-impedance mic (150 Ω)

80 dB

40 dB

68 dB

 

 

 

 

 

 

Inputs

 

 

 

 

 

 

Impedance

 

 

 

 

 

 

Input

Designed for

Actual

Input Clipping

 

use with

(typical)

Level

Mic

19-600 Ω

1.4 kΩ

–14 dBV

 

 

 

 

 

 

 

Outputs

 

 

 

 

 

 

Impedance

 

 

 

 

 

 

Output

Designed for

Actual

Output Clipping

 

use with

(typical)

Level

Line

5k Ω

300 Ω

+22 dBV

 

 

 

 

 

 

Mic

600 Ω

3 Ω

–20 dBV

 

 

 

 

 

 

Aux

10k Ω

1.5 k Ω

+12 dBV

 

 

 

 

 

 

 

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 Ω 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 Ω resistors

Operating Voltage

SCM410: 100-120 Vac rated nominal, 50/60 Hz, 100 mA (maximum)

SCM410E; 220-240 Vac rated nominal, 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

44mm H x 219 mm W x 267 mm D (1-3/4x 8-5/8x 10-1/2in.)

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 Union Direc-

tives. Low Voltage Directive, 2006/95/EC: Certified to EN 60065. Eligible to bear CE marking. Conforms to European EMC Directive 2004/108/EC. Meets Harmonized Standards EN55103-1:1996 and EN55103-2:1996 for residential (E1) and light industrial (E2) environments.

Authorized European Representative:

Shure Europe GmbH

Headquarters Europe, Middle East & Africa

Department: EMEA Approval

Wannenacker Str. 28

D-74078 Heilbronn, Germany

Phone: +49 7131 72 14 0

Fax: +49 7131 72 14 14

Email: EMEAsupport@shure.de

Replacement Parts

 

Knob, Master (white)

95A8238

Knob, Channel Gain (blue)

95B8238

Line (Power) Cord (SCM410)

95B8389

Line (Power) Cord (SCM410E)

95B8778

Link Cable

95B8889

Fuse, SCM410

 

(5 x 20 mm, T 125mA L, 250V, time delay)

80AA730

Fuse, SCM410E

 

(5 x 20 mm, T 50mA L, 250V, time lag)

80J380

Long Rack Mount Bracket

53A8484

Short Rack Mount Bracket

53E8484

Straddle Bracket

53B8443

Bagged Hardware Kit

90AW8100

Optional Accessories

 

Line (Power) Cord, 230-240 Vac (UK)

95A8713

External 50 dB Line Pad

A15LA

Service Statement

For additional service or parts information, please contact the Shure Service Department at 1-800-516-2525. Outside the United States, please contact your authorized Shure Service Center.

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Contents Model SCM410/SCM410E User Guide Table of Contents Description FeaturesOperating Principles Front PanelDIP Switch Functions DIP SwitchesRear Panel Installation Supplied HardwareRack Mounting Fixed Mounting TABLE-TOP MountingTOP Mount Hanging MountSCM410 Connections Linking Multiple MixersLinked SCM410 and SCM810 Mixers Limiter Basic Mixer OperationEqualizer Functions LOW-CUT Filter Effects HIGH-FREQUENCY Shelving EffectsA15LA SpecificationsLogic Equivalent Circuit Diagram Logic Connection SpecificationsLogic Connector Advanced FunctionsSuggested Logic Applications Remote CHANNEL-ON IndicatorsCough Button CHAIRPERSON-CONTROLLED MutingFilibuster Mode Inhibiting Gating for Unwanted SoundsLoudspeaker Muting Inhibit Function Remote Volume ControlDiode Isolation of Logic Controls External Logic DevicesInternal Modifications Knob Assembly and DisassemblyChanging Hold Time Changing the Limiter ThresholdLocal AUX Operation Mute in Precedence to Override in PrecedenceManual Mode Enable Changing Override in to Mute in Filibuster ModeChanging the OFF-ATTENUATION Level Group GatingCaribbean
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SCM410E, SCM410 specifications

The Shure SCM410 and SCM410E are state-of-the-art automatic microphone mixers designed to enhance audio performance in various professional environments. Known for their reliability and advanced features, these mixers are a popular choice for broadcasters, conferencing systems, and live event productions.

One of the key features of the SCM410 is its Automatic Gain Control (AGC) system, which intelligently adjusts the gain of connected microphones based on their audio levels. This ensures that the output remains consistent, making it ideal for situations where multiple speakers might share the microphone, such as panel discussions or meetings. The SCM410E variant further enhances this functionality with extended connectivity options, catering to more complex audio setups.

Both models incorporate Shure's exclusive IntelliMix technology. IntelliMix employs sophisticated algorithms to minimize interference and eliminate feedback, which is crucial for maintaining intelligibility in crowded sound environments. The mixers automatically manage the microphone levels, activating only those that are in use while suppressing those that are not, which not only enhances audio clarity but also helps in reducing background noise.

The SCM410 features four microphone inputs, allowing operators to connect multiple microphones simultaneously. Users can easily control each input's level, with individual gain adjustments and a master output level control. Additionally, LEDs provide visual feedback on the status of each microphone, indicating when they are active or inactive. The SCM410E goes a step further, offering additional mic input options and enhanced flexibility for integration into larger systems.

Durability is a hallmark of the SCM410 and SCM410E, as they are constructed with high-quality materials, designed to withstand the rigors of professional use. The intuitive interface makes them accessible for both novice users and seasoned sound engineers.

With a phantom power switch for condenser microphones, an easy-to-read, backlit display, and robust connectivity options, the SCM410 and SCM410E are versatile tools for any audio setup. Their ability to automatically mix and control audio levels in real-time ensures that users can deliver presentations, discussions, and performances with clarity and confidence. Whether it’s in a corporate boardroom or a live concert venue, these automatic microphone mixers deliver high-quality sound tailored to the needs of modern audio applications.