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RDL RU-MX4


4 Ch Mic/Line Mixer w/Compressor/Limiter

BSW PART: RUMX4

RDL RU-MX4
The RU-MX4 4-channel mic/line mixer is the ideal choice in many applications where a combination of balanced mic and/or unbalanced line-level signals needs to be mixed. Balanced connections use XLR connectors, and unbalanced signals are coupled through RCA jacks. Each of the four inputs can accept either a balanced XLR mic or an unbalanced line-level input. 24 V phantom is individually switch-selectable for each mic input. The unbalanced phono jack LINE OUTPUT from one RU-MX4 may connect to the unbalanced input of other equipment, or may be connected to the DIRECT input of another RU-MX4 to expand mixing capabilities. Up to 3 RU-MX4 mixers may be rack mounted in a single rack unit using an RDL RU-RA3HD rack adapter.

The RU-MX4 provides one balanced output, switchable for mic or line level. Audio levels are adjustable on the front panel. Each input channel is equipped with a front-panel Dual-LED VU meter that follows standard VU ballistics. The final mix is displayed on an LED string VU meter featuring a visually comfortable arc motion. A rear-panel switch allows the soft-knee compressor to be switched in or out.

PS24AS power supply not included.

Main Features:
• Four Channel Audio Mixer with Expansion Capability
• XLR Microphone Inputs, Phono Jack Line Inputs
• Switchable 24 V Phantom for Each Mic Input
• Mic or Line XLR Output, Switchable
• Unbalanced Line Output and Direct Input
• Integral Compressor/Limiter, Switchable

Specifications:
• Microphone Inputs (4): 2 kΩ balanced, switchable 24 V phantom (IEC 1938: 1996-12)
• Mic Input Level for +4 dBu output: -58 to −20 dBu (PHANTOM OFF or ONHI gain); -41 to −4 dBu (PHANTOM ON LO gain)
• Line Inputs (4): 2 kΩ unbalanced
• Line Input Level for +4 dBu out: -25 dBV to +20 dBV, -10 dBV nominal
• Gain Adjustments (5): Mic: Off to 62 dB gain (PHANTOM OFF ONHI gain);
• Off to 46 dB gain (PHANTOM ON LO gain);
• Line: Off to 27 dB gain
• Output Attenuator: 0 dB to infinity
• Frequency Response: Mic: 80 Hz to 30 kHz (+/- 1.5 dB), <-10 dB @ 20 Hz (integral high-pass filter)
• Line: 20 Hz to 30 kHz (+/- 0.25 dB)
• THD+N: Mic: < 0.1% (80 Hz to 20 kHz)
• Line: < 0.02% Residual Noise (wideband, below +4 dBu output):
• Unity Gain: < -84 dB (4 Line level sources) 40dB Gain, Phantom on: Mic: -79 dB; < -73 dB (All 4 mic level sources) 50dB Gain: Mic: -79 dB; < -73 dB (All 4 mic level sources) 60dB Gain: Mic: -70 dB; < -64 dB (All 4 mic level sources)
• Outputs (2): +4 dBu 150 Ω bal. (switchable to MIC level -45 dBu); -10 dBV unbalanced
• Balanced Output Coupling: Elec. bal. (RU-MX4) or 600 ΩTransformer (RU-MX4T)
• Indicators (18): Dual-LED VU meter for each input;
• COMP/LIMIT active LED; POWER LED; LED audio mix meter, 0 dB = +4 dBu VU (dB): -20, -10, -6, -2, 0, +3; Peak Reading (dB): +8,+12
• Power Requirement: GROUND-REFERENCED, 24 Vdc @ 150 mA
• Ambient Operating Environment:0° C to 50° C

RDL RU-MX4 Figure 1

RDL RU-MX4 Figure 2

RDL RU-MX4 Figure 3

List Price: $477.37
$340.25
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