ART – MX821
Eight Channel Mic/Line Mixer with Tone Control
OPERATION MANUAL
INTRODUCTION
The MX821 is a versatile rack mount mixer combining eight independent input channels into a single mono line level mixed output.
Essential features include: XLR microphone and 1/4 inch line level inputs, Level and Tone controls, and switch-sele48 Volt phantom
power on each channel. Main output is balanced low impedance. Additional Pre-Fade output and Aux Buss input jacks allow patching of
multiple MX821’s when more channels are needed.
Built in power supply and single high 19-inch rack mount format allows for easy installation and reliable long-term operation.
FEATURES
:
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Eight Independent Input Channels
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Level and Tone Controls on each Channel
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Balanced XLR Microphone and 1/4-inch Unbalanced Line Inputs on each Channel
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Full +48 Volt Phantom Power on XLR inputs with DIP Switch for each Channel
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Balanced TRS 1/4-inch Main Output Jack with Master Level Control
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RCA-type Pre-Fade Output Jack (Not Affected by the Master Level Control)
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RCA-type Aux Buss Input Jack for Channel Expansion
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Solid Single High Rack Mount Chassis w/ Built In Power Supply
SPECIFICATIONS:
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Input Connections:
XLR-F balanced (8), 1/4-inch unbalanced (8), RCA (1)
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Output Connections:
1/4-inch balanced TRS (1), RCA (1)
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Input Impedance:
2K Ohms Mic, 20K Ohms Line, 10K Ohms Aux. Bus In
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Output Impedance:
200 Ohms balanced Main Out, 100 Ohms Pre-Fade Out
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Maximum Input Level:
-6dBu Mic, +18dBu Line
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Maximum Output Level:
+27dBu balanced, +21dBu unbalanced
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Phantom Power:
+48 Volts DC (regulated/low noise)
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Maximum Gain:
65dB/39dB mic/line
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Signal to Noise Ratio:
>90dB typical
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THD:
<0.01% typical
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Equivalent Input Noise
-108dBu typical
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CMRR:
>52dB typical
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Phase Shift:
<10 degrees, 20Hz - 20kHz
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Power Requirements:
120VAC / 50-60Hz, or 230VAC / 50 Hz, 15VA
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Dimensions: (HxWxD in)
1.75 x 19 x 6
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Dimensions: (HxWxD mm)
44.5 x 483 x 152
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Weight:
6.3 lbs. (2.9kg)
