Shure SCM268 4-Channel Microphone Mixer
About This Product
Shure SCM268 4-Channel Microphone MixerThe 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 SpaceAll 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.
• 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.
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.
Shure SCM268 Specifications
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
Gain (typical, controls full clockwise)
Total Harmonic Distortion
Less than: 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
Greater Than: 80 dB at 1 kHz
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
The SCM268 Box Includes:(1) Shure SCM268 4-Channel Microphone Mixer
(1) IEC Power Cord
(1) User Guide