The RU-MX4 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. Unbalanced signals are coupled through phono 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. A factory installed output isolation transformer is available by ordering the RU-MX4T.
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
Studio?Quality, Low?Noise Performance
Microphone Inputs (4):
2 k Ohms balanced, switchable 24 V phantom (IEC 1938: 1996-12)
Mic Input Level for +4 dBu output:
-58 to –20 dBu (PHANTOM OFF or ON HI gain); -41 to –4 dBu (PHANTOM ON LO gain)
Line Inputs (4):
2 k Ohms 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 ON HI 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)
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
Operating Temperature (Maximum):
122 F
Operating Temperature (Minimum):
32 F
Maximum Frequency Response (Bandwidth):
30 kHz
Maximum Frequency Response (Bandwidth):
30000 Hz
Minimum Frequency Response (Bandwidth):
20 Hz
Minimum Frequency Response (Bandwidth):
0.02 kHz
Shipping Weight:
1.86 lbs
Color:
Black
RU-MX4L
- Pro 4 Input Line Mixer - Mic and Line Out
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