RME Audio OctaMic II User Manual

User’s Guide

OctaMic II

SteadyClock

Professional Mic / Line Preamp and AD-Converter

8-Channel Microphone / Line Preamp with Line Outputs

8-Channel Analog to AES / ADAT Interface

24 Bit / 192 kHz Digital Audio

™

24 Bit Interface

AES-3

Important Safety Instructions..................................3

General

1 Introduction ...............................................................6

2 Package Contents.....................................................6

3 Brief Description and Characteristics.....................6

4 Accessories...............................................................7

5 Warranty.....................................................................8

6 Appendix....................................................................8

Usage and Operation

7 Front Panel

7.1 Displays................................................................12

7.2 Controls................................................................12

8 Rear Panel

8.1 Connectors...........................................................13

8.2 DIP Switches........................................................13

9 External Synchronization

9.1 Word Clock - BNC................................................14

9.2 ADAT Optical .......................................................14

Inputs and Outputs

10 Analog Inputs / Outputs

10.1 Mic / Line In..........................................................16

10.2 Line Out................................................................17

11 Digital Outputs

11.1 AES / EBU............................................................18

11.2 ADAT Optical .......................................................19

12 Word Clock

12.1 Technical Description and Background...............20

12.2 Cables and Termination.......................................21

Technical Reference

13 Technical Specifications

13.1 Analog..................................................................24

13.2 Digital Inputs ........................................................24

13.3 Digital Outputs......................................................25

13.4 Digital ...................................................................25

13.5 General ................................................................25

13.6 Connector Pinouts................................................26

14 Technical Background

14.1 Terminology .........................................................28

14.2 DS – Double Speed .............................................29

14.3 QS – Quad Speed................................................29

14.4 AES/EBU – SPDIF...............................................30

14.5 SteadyClock.........................................................31

15 Block Diagram.........................................................32

User’s Guide OctaMic II © RME

Important Safety Instructions

ATTENTION! Do not open chassis – risk of electric shock

The unit has unisolated live parts inside. No user serviceable parts inside. Refer service to qualified service personnel.

Mains

• The device must be earthed – never use it without proper grounding

• Do not use defective power cords

• Operation of the device is limited to the manual

• Use same type of fuse only

To reduce the risk of fire or electric shock do not expose this device to rain or moisture. Prevent moisture and water from entering the device. Never leave a pot with liquid on top of the device. Do not use this product near water, i. e. swimming pool, bathtub or wet basement. Danger of condensation inside – don't turn on before the device has reached room temperature.

Installation

Surface may become hot during operation – ensure sufficient ventilation. Avoid direct sun light and do not place it near other sources of heat, like radiators or stoves. When mounting in a rack, leave some space between this device and others for ventilation.

Unauthorized servicing/repair voids warranty. Only use accessories specified by the manufacturer.

Read the manual completely. It includes all information necessary to use and operate this device.

User’s Guide OctaMic II © RME

User’s Guide

OctaMic II

General

User’s Guide OctaMic II © RME

1. Introduction

The OctaMic II's innovative concept allows for amplification and digitization of ALL analog signal sources. Be it high-level stage signals, typical studio signals, lower level and high-impedance instruments, or dynamic, condenser or ribbon microphones: OctaMic II understands them all – in a way that is simply thrilling.

When developing the OctaMic II we used all our experience, and also the experience of our customers, to create a unique, excellent and high-quality unit. As successor of the OctaMic D the device offers the approved quality of its predecessor, adding lots of improvements in detail.

2. Package Contents

Please check that your OctaMic II package contains each of the following:

• OctaMic II

• Power cord

• Manual

• 1 optical cable (TOSLINK), 2 m

3. Brief Description and Characteristics

• 8 balanced XLR/TRS mic/line inputs

• 54 dB gain range

• Analog input level from –40 dBu up to +21 dBu

• Large frequency range (200 kHz) with special EMI input filtering

• Input impedance: XLR 2 kOhm, TRS 5 kOhm

• Signal to noise ratio (SNR): 129 dB EIN @150 Ohm

• THD: < 0.0005 % @ 30 dB Gain

• Channel seperation: > 110 dB

• Frequency response –0.5 dB: 5 Hz - 200 kHz

• Line Out: 1/4" TRS (6.3 mm stereo jack), servo-balanced

• Maximum output level: +21 dBu

• Output impedance: 75 Ohm

• Output level switchable Hi Gain / +4 dBu / -10 dBV

• Word clock input

• 4 x AES/EBU Out per D-sub, 8 channels @ 192 kHz

• 2 x ADAT Out, 8 channels @ 96 kHz

• SNR ADC: > 110 dBA

• Sample rate range ADC: 28 kHz – 200 kHz

• THD AD: < 0.00032 %, < -110 dB

User’s Guide OctaMic II © RME

4. Accessories

RME offers several optional components for the OctaMic II:

Part Number Description

OK0050 Optical cable, Toslink, 0.5 m OK0100 Optical cable, Toslink, 1 m OK0200 Optical cable, Toslink, 2 m OK0300 Optical cable, Toslink, 3 m OK0500 Optical cable, Toslink, 5 m OK1000 Optical cable, Toslink, 10 m

BO25MXLR4M4F1PRO Digital Breakout Cable Pro, AES/EBU 25-pin D-sub to 4 x XLR male + 4 x XLR female, 1m

BO25MXLR4M4F3PRO Digital Breakout Cable Pro, AES/EBU 25-pin D-sub to 4 x XLR male + 4 x XLR female, 3 m

BO25MXLR4M4F6PRO Digital Breakout Cable Pro, AES/EBU 25-pin D-sub to 4 x XLR male + 4 x XLR female, 6 m

BO25M25M1PRO Digital D-sub Cable Pro, AES/EBU 25-pin D-sub to 25-pin D-sub, 1m

BO25M25M3PRO Digital D-sub Cable Pro, AES/EBU 25-pin D-sub to 25-pin D-sub, 3m

BO25M25M6PRO Digital D-sub Cable Pro, AES/EBU 25-pin D-sub to 25-pin D-sub, 6m

5. Warranty

Each individual OctaMic II undergoes comprehensive quality control and a complete test at IMM before shipping. The usage of high grade components allow us to offer a full two year warranty. We accept a copy of the sales receipt as valid warranty legitimation.

If you suspect that your product is faulty, please contact your local retailer. The warranty does not cover damage caused by improper installation or maltreatment - replacement or repair in such cases can only be carried out at the owner’s expense.

Audio AG does not accept claims for damages of any kind, especially consequential damage. Liability is limited to the value of the OctaMic II. The general terms of business drawn up by Audio AG apply at all times.

6. Appendix

RME news and further information can be found on our website: http://www.rme-audio.com Distributor:

Audio AG, Am Pfanderling 60, D-85778 Haimhausen, Tel.: (49) 08133 / 91810 Manufacturer:

IMM Elektronik GmbH, Leipziger Strasse 32, D-09648 Mittweida

Trademarks

All trademarks and registered trademarks belong to their respective owners. RME, SyncAlign, Hammerfall, DIGICheck, SyncCheck and ZLM are registered trademarks of RME Intelligent Audio Solutions. TotalGain, SteadyClock, OctaMic II and Intelligent Clock Control (ICC) are trademarks of RME Intelligent Audio Solutions. Alesis and ADAT are registered trademarks of Alesis Corp. ADAT optical is a trademark of Alesis Corp. S/MUX is copyright Sonorus.

rectness can be given. RME cannot be held responsible for any misleading or incorrect information provided throughout this manual. Lending or copying any part or the complete manual or its contents as well as the software belonging to it is only possible with the written permission from RME. RME reserves the right to change specifications at any time without notice.

CE / FCC Compliance

This device has been tested and found to comply with the limits of the European Council Directive on the approximation of the laws of the member states relating to electromagnetic compatibility according to RL89/336/EWG and RL73/23/EWG.

FCC

This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

- Reorient or relocate the receiving antenna.

- Increase the separation between the equipment and receiver.

- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.

- Consult the dealer or an experienced radio/TV technician for help.

RoHS

This product has been soldered lead-free and fullfills the requirements of the RoHS directive.

ISO 9001

This product has been manufactured under ISO 9001 quality management. The manufacturer, IMM Elektronik GmbH, is also certified for ISO 14001 (Environment) and ISO 13485 (medical devices).

Note on Disposal

According to the guide line RL2002/96/EG (WEEE – Directive on Waste Electrical and Electronic Equipment), valid for all european countries, this product has to be recycled at the end of its lifetime.

In case a disposal of electronic waste is not possible, the recycling can also be done by IMM Elektronik GmbH, the manufacturer of the OctaMic II.

For this the device has to be sent free to the door to: IMM Elektronik GmbH

Leipziger Straße 32 D-09648 Mittweida Germany

Shipments not prepaid will be rejected and returned on the original sender's costs.

+ 22 hidden pages

RME Audio OctaMic II User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual