User Guide ON www.focusrite.
IMPORTANT SAFETY INSTRUCTIONS 1. Read these instructions. 2. Keep these instructions. 3. Heed all warnings. 4. Follow all instructions. 5. Do not use this apparatus near water. 6. Clean only with dry cloth. 7. Do not block any ventilation openings. Install in accordance with the manufacturer’s instructions. 8. Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat. 9.
CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE COVER (OR BACK). NO USER-SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL. CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN The lightning flash with arrowhead symbol, within equilateral triangle, is intended to alert the user to the presence of uninsulated “dangerous voltage” within the product’s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons.
CONTENTS IMPORTANT SAFETY INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 About this User Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Box Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
About this User Guide This User Guide applies only to the RedNet MP8R Mic Preamplifier. It provides information about installing a RedNet MP8R and how to connect it into your system. A RedNet System User Guide is also available from the RedNet product pages of the Focusrite website. The Guide provides a detailed explanation of the RedNet system concept, that will help you achieve a thorough understanding of its capabilities.
INTRODUCTION Thank you for purchasing the Focusrite RedNet MP8R. RedNet MP8R is an 8-channel remote-controlled microphone preamplifier and A/D for the Dante audio-over-IP network. Specifically tailored for the road, live-sound and broadcast environments, each unit features network and power redundancy, rugged construction with latching connectors, remote control and remote monitoring. In addition, a gain-compensated split output is available on every channel (see following page for further detail).
Gain Compensated Split Outputs The RedNet MP8R is able to provide two outputs from each mic channel: one direct and a second automatically gain-compensated to deliver a constant level. This arrangement allows one engineer (FOH, say) to control the analogue mic gain without affecting the signal level being received by a second engineer on the network. Network Interface 2.
INSTALLATION GUIDE RedNet MP8R Connections and Features Front Panel ON 2 1. AC Power Switch 2. Power Indicators: 3 4 6 5 7 8 1 • PSU A – Illuminates when an AC input is applied and all DC outputs are present. • PSU B – Illuminates when an AC input is applied and all DC outputs are present. When both supplies are functioning and have AC inputs PSU A will be the default supply. 3.
Front Panel . . . Continued ON 6 6. 7 8 OLED Display Indicates the currently selected channel’s network name and its gain value and if either Control Lockout or Gain Compensation is active. Also changes to display local and network configuration settings when in INFO mode. See below. 7. Local Control Buttons: • INFO – Press to show device and network information on the OLED display [button will flash orange when Info mode is engaged].
Rear Panel Focusrite AC ONLY 100 - 240V ~ 50/60 HZ 30VA PSU A WARNING THIS EQUIPMENT MUST BE EARTHED BY THE POWER CORD 1 1. NETWORK R PSU B 2 PUSH PUSH PRIMARY SECONDARY 3 PUSH 8 PUSH 7 4 PUSH 6 PUSH INPUT 5 PUSH 4 PUSH 3 PUSH 2 PUSH 1 5 IEC Mains Inlet A Standard IEC receptacle for connection of AC mains. RedNet MP8R features ‘Universal’ PSUs, enabling it to operate on any supply voltage of between 100 V and 240 V AC.
Power Connection IEC Power Cord Retaining Clips RedNet MP8R is supplied with two IEC power cord retaining clips. These prevent accidental disconnection of a power cord during use. When the unit is first installed, the retaining clips will need to be attached to the power input sockets on the rear panel. Insert each clip by squeezing together the legs as shown in the first image below, aligning the pins with the through-holes on the IEC fixing posts one at a time, and then releasing.
Physical Characteristics 390mm / 15.3” 465.0mm / 18.3” 31.8mm / 1.25” RedNet MP8R dimensions are illustrated in the diagram above. RedNet MP8R requires 1U of vertical rack space and at least 440mm of rack depth, to allow for cables. RedNet MP8R weighs 5.75 kg and for installations in a fixed environment (eg., a studio), the front-panel mounting screws will provide adequate support. If the units are to be used in a mobile situation (eg., flight-cased for touring, etc.
REDNET MP8R OPERATION First Use and Firmware Updates Your RedNet MP8R may require a firmware update* when it is first installed and switched on. Firmware updates are initiated and handled automatically by the RedNet Control application. *It is important that the firmware update procedure is not interrupted – either by switching off power to the RedNet MP8R or the computer on which RedNet Control is running, or by disconnecting either from the network.
OTHER REDNET SYSTEM COMPONENTS The RedNet hardware range includes various types of I/O interface and a PCIe digital audio interface card which is installed in the system’s host computer. All the I/O units can be considered as “Break-Out” (and/or “Break-In”) boxes to/from the network, and all are built in mains-powered, 19” rackmount housings. There are also three software items, RedNet Control (see below), Dante Controller and Dante Virtual Soundcard.
ID (Identification) Clicking on the ID icon LEDs. will identify the physical device being controlled by flashing its front panel Tools Menu Clicking on the Tools icon will gain access to the following system settings: Front Panel Lockout – On or Off. Disables front panel audio controls. Cooling Fan – On or Off. For use when unit is located in silent recording areas. Preferred Master – On/Off state.
APPENDIX Connector Pinouts Ethernet Connector Connector type: Applies to: Pin RJ-45 receptacle Ethernet (Dante) White + Orange Orange 3 White + Green 4 Blue 51 White + Blue 6 Green 7 8 White + Brown Brown 8 1 8 Cat 6 Core 1 2 XLR Connectors Connector type: Applies to: XLR-3 receptacle Audio Input Pin 1 2 3 16 Signal Screen Hot (+ve) Cold (–ve)
PERFORMANCE AND SPECIFICATIONS Microphone Inputs Gain Range 10dB to 65dB in 1dB steps Type Electronically Balanced, Zin = 2.4kΩ/10kΩ (Switchable); Inputs default to 2.4kΩ when unit is unpowered Maximum Input Level 29dBu ±0.5; min gain with pad for 0dBFS, Rs = 150Ω Minimum Input Level -46dBu ±0.5; max gain without pad for 0dBFS, Rs = 150Ω Frequency Response 20Hz – 55kHz ±0.1dB THD + N -98dB (0.
Indicators Primary PSU (A) Green LED. Illuminates when an AC input is applied and all DC outputs are present. Secondary PSU (B) Green LED. Illuminates when an AC input is applied and all DC outputs are present. Primary Network Green LED. Indicates that a network connection is present on primary port when in redundant mode. When in Switched mode, a valid network connection at either Primary or Secondary network port will cause this LED to illuminate. Secondary Network Green LED.
Focusrite RedNet Warranty and Service All Focusrite products are built to the highest standards and should provide reliable performance for many years, subject to reasonable care, use, transportation and storage. Very many of the products returned under warranty are found not to exhibit any fault at all. To avoid unnecessary inconvenience to you in terms of returning the product please contact Focusrite support.
