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MD-4

Mic/Line Input & Line Output Dante Interface

User Guide

Summary of Contents for MD-4

Page 1: ... MD 4 Mic Line Input Line Output Dante Interface User Guide ...

Page 2: ...ort This document is supplied as a technical guide Special care has been taken in preparing the in formation for publication however since product specifications are subject to change this docu ment might contain omissions and technical or ty pographical inaccuracies Sound Devices LLC does not accept responsibility for any losses due to the user of this guide Trademarks The wave logo is a register...

Page 3: ...tion 11 Analog Reference Level 11 Assigning Dante Channels to Outputs 11 Input and Output Monitoring 12 Metering 12 Phones Monitor Output 12 Selecting Monitor Sources 12 Mono Stereo Metering 12 Powering and Mounting Powering the MD 4 13 AC Mains Power 13 DC Power 13 Powering On 13 Rack Mounting 13 Dante Dante Interconnection 15 Subscriptions Establishing Connections 15 Ethernet and Dante Status LE...

Page 4: ...les high pass filter for a selected input 8 Gain Display Numeric display indicates the gain setting in dB for a selected input 9 Input Gain Control Buttons to increase or decrease gain level of a selected input 0 dB is unity 70 dB is maximum 10 Monitor Source Selection Buttons to select input source available for headphone monitoring Selects among inputs or outputs 11 Source Selection LEDs Illumin...

Page 5: ...s controlling input and output level ref erences See Analog Reference Level and Line Outputs respectively 6 Phones Monitor Output 1 4 inch headphone output wired tip left ring left sleeve ground Identical signal as front panel headphone jack Output is muted when front panel connection is in use Can also be used to drive unbalanced line inputs such as powered loudspeakers 7 Line Outputs Balanced XL...

Page 6: ...meter Audinate s Dante audio over Ethernet technology has found wide acceptance because of its ease of use interoperability excellent audio quality and wide adoption by a large number of equipment manufactur ers The MD 4 can serve as an edge device for a Dante network providing high performance input output and monitor resources for applications requiring analog input and output The unit is powere...

Page 7: ...uttons allow rapid adjustment of input gain and toggling phantom power and high pass filter HPF functions Analog Input Reference Level Set from the factory a nominal 4 dBu analog signal at the input set for 0 dB gain results in a digital output signal on the Dante network of 20 dBFS This corre sponds to analog input signals with maximum levels of 24 dBu resulting in a digital output of 0 dBFS Rear...

Page 8: ...ut gain steps that range from 0 dB to 70 dB 0 dB line 10 dB and 19 through 70 dB in 3 dB increments The 0 dB input gain setting is appropriate when a source with a nominal level in the range of 0 to 4 dBu has been connected The 10 dB input gain setting is appropriate for consumer type line level sources such as from a personal audio device e g tablet computer or portable phone As a general rule se...

Page 9: ...ll balanced and unbalanced loads with an impedance of 2k ohms or greater No special precautions are necessary when using the line outputs in settings where a variety of signals may be present The circuitry is protected from damage in cases such as the accidental connection to a powered analog party line PL intercom circuit or to a micro phone signal with phantom power present Analog Reference Leve...

Page 10: ...e back panel head phone output is connected to loudspeaker systems Automatic muting of the loudspeakers can be essential for on air applications Selecting Monitor Sources The Source Select buttons controls the signal sent to headphones Sources can be selected as either single channel mono or dual channel stereo In the mono mode each input channel and each output chan nel is individually monitored ...

Page 11: ...g brackets ears located on the sides of the MD 4 s enclosure can be removed to assist in achieving special mounting or installation requirements Powering the MD 4 The MD 4 requires either AC mains or DC power for operation Both can also be simultaneously connected if redundant backup power is desired AC Mains Power The MD 4 operates from AC mains power 100 240 volts 50 60 Hz 15 watts maximum A 3 p...

Page 12: ...The MD 4 connects with Dante audio networks over its 100 Mbs Ethernet connection A 10 Mbs connection is not recommended for MD 4 operation A 1000 Mbs GigE connection is not supported unless it can automatically fall back to 100 Mbs operation The 100 Mbs Ethernet connection is made with the back panel Neutrik etherCON RJ45 This allows con nection to either cable mounted etherCON plugs or a standard...

Page 13: ...cessary then that capability is available It is recommended that each unit be physically marked such as directly labeled using a permanent marker or console tape with its specific IP address Note If knowledge of a MD 4 s manually assigned IP address has been misplaced there is no reset button or other method to easily restore the unit to a default IP setting In the event that a device s IP address...

Page 14: ...ve into the back panel USB connector 3 Apply power to the MD 4 4 The MD 4 will run a boot loader program that will immediately load the new application firmware file MD4 bin This process takes only a few seconds During this time period the LED located adjacent to the USB connector will flash slowly Once the loading process is complete the MD 4 will restart using the newly loaded firmware 5 At this...

Page 15: ...er Source Impedance 200 ohms Nominal Level 4 0 or 2 dBu selectable reference 20 dBFS Maximum Level 18 20 or 24 dBu configurable with 0 dBFS on Dante input Dynamic Range 119 dB A weighted Distortion THD N 0 0012 99 dB measured at 1 dBFS 22 kHz bandwidth Frequency Response 0 1 dB 20 Hz to 20 kHz Audio Monitor Source mic line inputs or line outputs selectable as monaural or stereo Meters 2 8 segment ...

Page 16: ...RE PRODUCT and any copies of the SOFTWARE PRODUCT are owned by Sound Devices LLC or its suppliers The SOFTWARE PRODUCT is protected by copyright laws and international treaty provisions Therefore you must treat the SOFTWARE PRODUCT like any other copyrighted material except that you may make copies as only provided below You may not copy the printed materials accompanying the SOFTWARE PRODUCT Rest...

Page 17: ...laration of Conformity Manufacturer s Name Sound Devices LLC Manufacturer s Address E7556 State Road 23 and 33 Reedsburg WI 53959 USA Declares under sole responsibility that the product as delivered Product Name MD 4 Mic Line Input Line Output Dante Interface Model Number MD 4 Description Rack mounted 4 channel Mic Line Input 4 channel Line Output Interface with Dante Support Product Options This ...

Page 18: ...5 Product Information For more information about products and accessories visit us on the web at www sounddevices com Report Documentation Error Email techpubs sounddevices com Customer Support Toll Free 800 505 0625 Email support sounddevices com http www sounddevices com support http forum sounddevices com ...

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