The RU-MX4L is the ideal choice in many applications where a combination of balanced 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 RU-MX4L inputs can accept either a balanced XLR line-level input or an unbalanced line-level phono jack input. The unbalanced phono jack LINE OUTPUT from one RU-MX4L may connect to the unbalanced input of other equipment, or may be connected to the DIRECT input of another RU-MX4L or an RU-MX4 to expand mixing capabilities. Up to 3 RU-MX4 type mixers may be rack mounted in a single rack unit using an RDL RU-RA3HD rack adapter. The RU-MX4L 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 factory installed output isolation transformer is available by ordering the RU-MX4LT.
Four Channel Line-Level Audio Mixer
XLR Balanced, Phono Jack Unbalanced Inputs
Mic or Line XLR Output, Switchable
Unbalanced Line Output and Direct Input
Studio Quality, Low-Noise Performance
Expansion Bussing Capability
Additional Line Inputs Bussed to an RU-MX4
Output Isolation Transformer (RU-MX4LT)
Balanced Line Inputs(4):
20 k ohm balanced bridging
Balanced Line Input Level:
-13 to +22 dBu for +4 dBu output
Unbalanced Line Inputs (4):
2 k ohm unbalanced
Unbalanced Line Input Level:
-25 dBV to +20 dBV for +4 dBu output; -10 dBV nominal
Gain Adjustments (4):
Balanced Line: Off to 17 dB gain Unbalanced Line: Off to 27 dB gain
Output Attenuator:
0 dB to infinity
Frequency Response:
20 Hz to 30 kHz (+/- 0.25 dB)
THD+N:
< 0.01%
Residual Noise (below +4dBu output):
4 line level sources (unity gain): < -82 dB (wideband)
Outputs (2):
+4 dBu 150 ohm balanced (switchable to MIC level -45 dBu); -10 dBV unbalanced
Indicators (17):
Dual-LED VU meter for each input; POWER LED; LED audio mix level meter, 0 dB = +4 dBu VU ballistic: -20 dB, -10 dB, -6 dB, -2 dB, 0 dB, +3 dB; Peak reading: +8 dB,+12 dB
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:
1.90 lbs
Color:
Black
RU-MX4
- Pro 4 Input Mic/Line Mixer W/Phntm - Mic and Line Out
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