Shure SCM268 User Manual

Shure Incorporated
15/16
Specifications
Frequency Response
at 1 kHz
Mic/Line Switch 150 Hz to 20 kHz ±2 dB
Aux Input 20 Hz to 20 kHz ±2 dB
Low-Cut Filter
-6 dB/octave below 80 Hz
Total Harmonic Distortion
1 kHz, +4 dBu out, mix output (MASTER) at +0 dB
<0.25%
Equivalent Input Noise
150Ω balanced source, A-Weighted
-130 dBV
Output Noise
channel controls full counterclockwise, A-Weighted
Master full counterclockwise -107 dBV
Master full clockwise -73 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; Line and Aux inputs by signals up to +28 dBV
Phantom Power
12 Vdc opencircuit through 680 Ω resistors
Operating Voltage
SCM268 100–200 V AC, 50/60 Hz, 60 mA
SCM268E 220–240 V AC, 50/60 Hz, 30 mA
Temperature Range
Operating Temperature -7° – 35° C (20° –95° F)
Storage Temperature -29° – 74° C (-20° –165° F)
Dimensions
44 x 218 x 162 mm (1.72 x 8.60 x 6.37 in.)

Shure SCM268 Specifications

General

Frequency range	20 - 20000 Hz
Channels quantity	4 channels
Digital sound processing	- bit
Microphone input impedance	1.2 Ω
Output impedance	870 Ω
Total Harmonic Distortion (THD)	0.25 %
DJ mixer	-
Product color	Black
Video capability	No
AC input voltage	220 - 240 V
Power consumption	30 mA
AC input frequency	50 / 60 Hz
AUX in	Yes
AUX out ports	1
Number of microphone inputs	4