- F/ Sound Reinforcement
- Compact Design
- 4 XLR Mic Inputs
- 4 RCA Inputs
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- Product: #5121
- SKU: SCM268
The Shure SCM268 4-Channel Microphone Mixer offers simplicity and routing flexibility in a convenient, compact, and rugged enclosure. The SCM268 features 4 high quality transformer-balanced XLR inputs and mic/line level switchable XLR output. Transformer balanced I/O provides maximum audio gain, minimising hum and line noise. Two stereo paired (4 mono) RCA inputs except line level signal from consumer audio devices such as CD and cassette players, DVD players, VCR's etc.
Also provided is an additional, independent AUX line level input with level control via a single RCA connector. Six sealed rotary pots provide level control for mic channels 1 through 4, AUX input channel and Master. The SCM268 also provides 12V phantom power for condenser microphones.
Features 4 balanced XLR mic preamps resulting in high input gain and low noise floor.
AUX Line Inputs
4 additional line level inputs via RCA connectors are provided. These inputs are perfect for adapting consumer level devices such as CD and cassette players, audio from VCR's etc.
12V Phantom Power
The SCM 268 provides 12V phantom power for condenser microphones.
Compact Rugged Design
The SCM 268's rugged, compact design provides maximum portability without sacrificing the ruggedness.
|Inputs||4 - Balanced XLR Microphone
2 - Stereo (L/R) RCA line inputs
|Output||1 - Balanced XLR output (mic/line level)
1 - AUX unbalanced RCA Phono
|Monitor/Headphone Out||No - AUX output serves as secondary output and cab be used as a monitor source|
|ALT I/O||2 - AUX RCA phono as described under outputs|
MIC (XLR) : Designed for use with 19-600 ohm load, 1.2k ohms actual, -5dBV clipping level
AUX : Designed for use with - / < 2k ohm load, 21k ohms actual, >28 dBV clipping level
MIC : Designed for use with low-Z inputs, 0.2 ohms actual, -21 dBV clipping level
LINE : Designed for use with > 600 ohms, 72 ohms actual, +18 dBV clipping level
AUX : Designed for use with > 2k ohms, 870 ohms actual, +7dBV clipping level
|Gain||Low-Impedance Mic Input (150 ohms) : MIC 32dB, LINE 72dB, AUX 60dB - Outputs
Line Input : MIC -9dB, LINE 31dB, AUX 19dB - Outputs
Stereo Input : MIC -5dB, LINE 35dB, AUX 23dB - Outputs
|Hum & Noise||Equivalent Input Hum and Noise : -124 dBV (150 ohm source; 22Hz to 22kHz)
Output Hum and Noise : (22 Hz to 22kHz; channel controls full counterclockwise)
Master full counterclockwise -92dBV
Master full clockwise -70dBV
|Frequency Response||(Ref 1kHz, channel and master controls centred)
MIC/LINE Inputs: 150Hz to 20kHz + / - 2dB
AUX Inputs: 20Hz to 20kHz + / -2dB
|Distortion||<0.25% at +4 dBu output level, (through 22Hz -22kHz filter; MIC inout 1 and Master at centre, all other controls full counterclockwise)|
|Metering||6-segment LED metres|
|Controls||Sealed Rotary Potentiometers: MIC 1-2, STEREO 1-3 and MASTER gain controls. BASS and TREBLE control.
|Control Voltage Out||No|
|Phantom Power||12 Vdc open-circuit through 340 ohm series resistors|
|Operating Temperature||Operating: -7 to 49 degrees C
Storage: -29 to 74 degrees C
|Power||SCM268: 100 - 120 Vac, 50/60 Hz, 60mA
SCM268E: 220 - 240 Vac, 50/60 Hz, 30mA
|Dimensions||43 x 218 x 162mm|