Shure SCM268 4-Channel Microphone Mixer

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SKU:
SCM268
UPC:
042406054935
Weight:
5.80 LBS
Shipping:
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Availability:
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  • Shure SCM268 4-Channel Microphone Mixer
  • Shure SCM268 4-Channel Microphone Mixer
$341.00

Description

Six Reasons the SCM268 Is The Right Choice:

Transformer. Transformer. Transformer. Transformer. Transformer. Transformer.

Six transformers provide protection from RF interference for exceptionally quiet performance.

Great Value

The competitively-priced SCM268 microphone mixer features six transformers inside: four transformer balanced XLR microphone-level inputs, one transformer balanced XLR mic/line output, and one internal low stray field, toroidal power transformer.

Many Benefits, Little Space

All those audio transformers provide protection from RF interference, prevent ground loops, and make the SCM268 exceptionally quiet. The internal toroidal power transformer means you no longer have to deal with that annoying "wall wart."
Add to this a rugged half-rack chassis -- with exceptionally solid rack mounting hardware -- and the SCM268 will easily fit into the widest range of smaller applications, such as:

  • Meeting rooms
  • Houses of worship
  • Broadcast
  • Educational paging and public address
  • Sound system rental

For over a generation, Shure mixers, as well as a host of other Shure products, have been chosen for installed sound applications with unparalleled peace-of-mind. The SCM268 continues this tradition of quality performance at a great value. If you want half a dozen transformers in a half-rack space, choose the SCM268.

Features

  • Five unbalanced aux level inputs (Phono connectors)
  • LED peak output meter
  • One unbalanced aux level output (Phono connector)
  • IEC power cord connector
  • 12V phantom power for condenser microphones
  • Built-in low cut filters on mic inputs
  • Unit fits into a half-rack space and includes all the necessary rack mounting hardware.
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Specifications

Measurement Conditions (unless otherwise specified): Line voltage 120 Vac, 60 Hz (SCM268) or 230 Vac, 50 Hz (SCM268E); full gain; 1 kHz, one channel activated; source impedances: Mic 150 Ω, Aux Level 150 Ω; terminations: Line 600 Ω, Mic 600 Ω, Aux Out 10 kΩ. 12 V phantom power off.

  • Frequency Response (Ref 1 kHz, controls centered)
    • Microphone Inputs: 150 Hz to 20 Khz + 2 dB (built-in 80 Hz low-cut)
    • Auxiliary Inputs: 20 Hz to 20 kHz + 2 dB
  • Low-Cut Filter (Microphone inputs only): 3dB down at 80 Hz, 6 dB/octave
  • Total Harmonic Distortion
    • <0.25% at +4 dBu output level (through 22 Hz–22 kHz filter; Input
    • 1 and Master centered, all other controls full counter clockwise)
  • Hum and Noise (150 Ω source; through 22 Hz–22 kHz filter)
    • Equivalent Input Hum and Noise: –124 dBV
  • Output Hum and Noise (through 22 Hz–22 kHz filter; channel controls full counterclockwise)
    • Master full counterclockwise: –92 dBV
    • Master full clockwise: –70 dBV
  • Common Mode Rejection: >80 dB at 1 kHz
  • Polarity: All inputs to all outputs are non-inverting
  • Overload and Shorting Protection
    • Shorting outputs, even for prolonged periods, causes no damage.
    • Microphone inputs are not damaged by signals up to +10 dBV;
    • Auxiliary inputs by signals up to +36 dBV
  • Phantom Power:12 Vdc open-circuit through 340Ω series resistance
  • Operating Voltage
    • SCM268: 100-120 Vac rated nominal, 50/60 Hz, 60 mA
    • SCM268E: 220-240 Vac rated nominal, 50/60 Hz, 30 mA
  • 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 218 mm W x 162 mm D
    (1.72 x 8.60 x 6.37 inches)
  • Net Weight: 1.20 Kg (2 lbs, 10 oz)
  • Certifications
    • SCM268: UL & cUL Listed by Underwriters Laboratories, Inc.
    • SCM268E: Eligible to bear CE Marking. Conforms to European
    • EMC Directive 89/336/EEC. Meets applicable tests and performance criteria in European Standard EN55103 (1996) parts 1 and 2, for residential (E1) and light industrial (E2) environments
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