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Shure SCM268 4-Channel Microphone Mixer

4-channel microphone mixer delivers superior performance and excellent sound quality with low noise and a flat frequency response. Includes 4 transformer-balanced inputs, 5 -10 dB line-level inputs, 12 volt phantom power, and built-in low-cut filter.

  • Four transformer-balanced microphone inputs
  • Transformer-balanced output-switchable mic/line level
  • Five -10 dB line-level inputs
  • Six-segment LED output level meter
  • Built-in 12-volt phantom power
  • Internal power transformer
  • Built-in low-cut filter on microphone inputs (below 80 Hz)
分類: ,
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
Link Input/Output
No
Impedance
Input
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
Outputs
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
Metering
6-segment LED meters
Controls
Sealed Rotary Potentiometers: MIC 1-2, STEREO 1-3 and MASTER gain controls. BASS and TREBLE control.
DIP Switches
Phantom Power
12 Vdc open-circuit through 340 ohm series resistors
Operating Temperature
Operating: -7 to 49 degrees C (20 to 120 degrees F)
Storage: -29 to 74 degrees C (-20 to 165 degrees F)
Power
SCM268: 100 – 120 Vac, 50/60 Hz, 60mA
SCM268E: 220 – 240 Vac, 50/60 Hz, 30mA
Dimensions
1.72 x 8.60 x 6.37 in. (43 x 218 x 162mm)
Weight
2.62 lbs (1.20 kg)

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