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Illustrative image of: RDL RU-MX4: Utility Mixers: RUMX4

Radio Design Labs RU-MX4

RDL

BSW PART:
RUMX4

4 Ch Mic/Line Mixer w/Compressor/Limiter

More RDL More Utility Mixers
$474.67 $632.89
You save $158.22

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.

$474.67 $632.89
You save $158.22

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  • 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