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RU-MLD4T Mic / Line Distribution Amplifier
Pro Net: $513.91
Price: $385.43
You Save: $128.48 (25 %)
Item Number: RU-MLD4T
Manufacturer: Radio Design Labs
Manufacturer Part No: RU-MLD4T
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Distribution Amplifier with Four Outputs
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Front Panel XLR Input / Output Jacks
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Detachable Input / Output Terminal Blocks
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Switchselectable Mic or Line Input
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Switchselectable Mic Gain and Phantom
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Gain Trim on Input
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Each Output Switchselectable Mic or Line
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The RUMLD4 is a four channel audio distribution amplifier. The input and all four outputs may be connected through the frontpanel XLR jacks or on the rear panel detachable terminal blocks. The input accepts either a balanced microphone or line level signal. Each of the four outputs provides either a microphone or line level signal. Both the frontpanel XLR connectors and the rearpanel terminals are active at all times. The RUMLD4 may be rackmounted with the XLR jacks facing forward, or may be reversemounted using the RDL RUFP1 Filler Panel/Reverse Mount Kit.
The audio input is equipped with a rearpanel switch to select between MIC and LINE level. Two additional switches allow setting the MIC input for LO or HI gain and for enabling or disabling standard 24 Vdc phantom. The two microphone gain settings allow the connection of a wide variety of dynamic and condenser microphones. Each output is provided with a separate rearpanel switch to set the associated level to either MIC or LINE. Audio outputs are isolated from each other and may be wired balanced or unbalanced. Gain trim is provided on a frontpanel control. The knurled adjustment is provided with a screwdriver slot so the gain may be adjusted by hand or by screwdriver. An RDL Dualled VU meter is provided above the gain trimmer. The meter is calibrated to indicate +4 dBu for outputs set to line level. The rear panel provides a detachable terminal block and a power input jack to connect 24 Vdc power. Each output of the RUMLD4T is equipped with a studioquality audio output transformer.
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Typical Performance:
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Inputs:
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XLR(front); detachable term block(rear)
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Input level (for +4 dBu output):
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Switchselectable (rear panel) MIC/LINE
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Mic:
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48 dBu to 3 dBu (LO GAIN); 65 dBu to 20 dBu (HI GAIN)
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Line:
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15 dBu to +28 dBu
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Input Impedance:
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Mic:
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2 k balanced, switchable 24 V phantom (IEC 1938: 199612)
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Line:
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> 10 k balanced; may be connected unbalanced
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Outputs (4):
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XLR(front); detachable term block(rear)
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Output level:
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Switchselectable (rear panel) MIC/LINE
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Output Impedance:
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150 balanced
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Gain Trim:
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Front panel adjustable
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Mic:
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Off to 52 dB gain (LO GAIN); Off to 69 dB gain (HI GAIN)
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Line:
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Off to 20 dB gain
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Frequency Response:
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Mic:
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80 Hz to 50 kHz (+/ 0.75 dB); < 10 dB @ 20 Hz (integral highpass filter)
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Line:
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15 Hz to 50 kHz (+/ 0.1 dB)
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THD+N:
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< 0.1% (Mic); < 0.005% (Line)
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CMRR:
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> 60 dB (Mic); > 50 dB (Line)
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Residual Noise (below +4 dBu LINE
output or 45 dBu MIC output):
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Mic:
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79 dB (50dB Gain); 70 dB (Mic 60dB Gain)
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Line:
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85 dB
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Headroom:
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> 20 dB (above +4 dBu LINE output)
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Power Requirement:
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GROUNDREFERENCED, 24 to 33 Vdc @ 80 mA
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Have a Question?
Expert advice is only an email or phone call away. Email advice@globalav.com or call 1-800-595-4436 to speak with one of our knowledgeable system integrators regarding this product.
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