RME Audio M-16 AD User Manual Download Page 1

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User’s Guide

M-32 AD

M-16 AD

The Professional’s Converter Solution

Professional 32/16-Channel A/D Converter

Fully Symmetrical Circuit Design

Analog Limiter

32/16-Channel Analog to MADI / ADAT Interface

24 Bit / 192 kHz Digital Audio

MIDI Remote Control

24 Bit Interface

TotalRemote

™

MADI I/O

ADAT

™

I/O

SteadyClock

™

SyncCheck

AES-10

Summary of Contents for M-16 AD

Page 1: ...tion Professional 32 16 Channel A D Converter Fully Symmetrical Circuit Design Analog Limiter 32 16 Channel Analog to MADI ADAT Interface 24 Bit 192 kHz Digital Audio MIDI Remote Control 24 Bit Interf...

Page 2: ...Controls 8 1 Analog Input 14 8 2 MADI Out 14 8 3 MADI Input 14 8 4 MADI Output 14 8 5 Limiter 15 8 6 Clock Section 15 8 7 Meter 17 8 8 Remote 17 8 9 Lock Keys 17 9 Remote Control 9 1 MIDI 18 9 2 MIDI...

Page 3: ...k and SyncCheck 35 16 3 Latency and Monitoring 36 16 4 DS Double Speed 37 16 5 QS Quad Speed 37 16 6 MADI Basics 38 16 7 SteadyClock 39 17 Block Diagram M 32 AD 40 18 Block Diagram M 16 AD 41 19 MIDI...

Page 4: ...ure 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...

Page 5: ...User s Guide M 32 AD RME 5 User s Guide M 32 AD M 16 AD General...

Page 6: ...M 32 AD only 2 Package Contents Please check that the package contains each of the following M 32 AD or M 16 AD Power cord Manual RME Driver CD 1 optical cable TOSLINK 2 m 6 6 ft 3 Brief Description...

Page 7: ...8K Frame 96K Frame format The MADI output signal is configured in the MADI OUTPUT section The key FRAME changes between 48K and 96K Frame the key FORMAT between 56 channel and 64 channel mode When act...

Page 8: ...t for clock synchronization ADAT OUTPUTS 1 to 4 TOSLINK Standard ADAT optical ports MADI I O optical Standard MADI ports MADI I O coaxial BNC Standard MADI ports MIDI I O 5 pin DIN MIDI input and outp...

Page 9: ...e signal then reduce the level a bit until no more Overs are detected The analog line inputs of the M 32 AD can be accessed by using D sub with an optional XLR multicore and 1 4 TRS jacks Both are int...

Page 10: ...Toslink 5 m 16 4 ft OK1000 Optical cable Toslink 10 m 32 8 ft BO25MXLR8F3 Analog Breakout Cable 25 pin D sub to 8 x XLR female 3 m 9 9 ft BO25MXLR8F6 same 6 m 19 8 ft BO25MXLR8F10 same 10 m 33 ft MAD...

Page 11: ...ausen Tel 49 08133 918 70 Manufacturer IMM Elektronik GmbH Leipziger Strasse 32 D 09648 Mittweida Trademarks All trademarks and registered trademarks belong to their respective owners RME Hammerfall a...

Page 12: ...s 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 t...

Page 13: ...User s Guide M 32 AD RME 13 User s Guide M 32 AD M 16 AD Usage and Operation...

Page 14: ...ut signal to channels 1 to 16 17 to 32 33 to 48 or 49 to 64 of the MADI output signal 8 3 MADI Input The key INPUT sets the input to optical or coaxial The STATE display helps to avoid errors and make...

Page 15: ...ill limited correctly 3 dBFS THD is still 0 3 At the setting 4 2 dBu the maximum unclipped input level is 24 dBu So there is more than 20 dB overload possible Note As with all such basic designs incre...

Page 16: ...mitted in the S MUX4 format Therefore ADAT is limited to 8 channels 2 per optical output in this mode MADI is limited to 16 channels Follow Clock Follow Clock automatically configures the Clock State...

Page 17: ...else can not know which of the incoming 2 DS or 4 QS word clock edges is the right one 8 7 Meter METER PH provides a Peak Hold function for all level meters either permanently ON or switched off by A...

Page 18: ...The same is true for remote control via MADI where MIDI is passed through from device to device automatically via the serial MADI cabling 9 2 MIDI over MADI MADI allows for a transmission of 64 audio...

Page 19: ...card which directly sends and re ceives MIDI data via MADI Software download http www rme audio de en_downloads_tools php Brief description of the Windows Mac OS X Software ADI 8 QS MIDI Remote The u...

Page 20: ...isplayed The software MIDI Remote also controls RME s ADI 648 ADI 6432 ADI 642 Micstasy ADI 8 QS and the MADI Bridge The following functions can only be set via MIDI Remote Setting of Word Clock Out a...

Page 21: ...User s Guide M 32 AD RME 21 User s Guide M 32 AD M 16 AD Inputs and Outputs...

Page 22: ...s The M 32 AD uses a completely symmetrical signal path including limiter that guarantees an exceptional sound quality outstanding low distortion and highest Signal to Noise ratio in all level setting...

Page 23: ...n chapter 16 6 MADI Basics The ADI 6432 includes automatic input selection In case the current input signal fails the unit switches to the other input immediately This mode called redundancy mode offe...

Page 24: ...1 More information can be found in chapter 16 6 MADI Basics Coaxial and optical outputs operate simultaneously and deliver the same data The max channel count when using MADI depends on the Sample Rat...

Page 25: ...ion Output The M 32 AD s word clock output is constantly active providing the current sample frequency as word clock signal In master mode the word clock will be fixed to 44 1 kHz or 48 kHz DS x 2 QS...

Page 26: ...ord clock is based on a fraction of the really needed clock For example SPDIF 44 1 kHz word clock a simple square wave signal has to be multiplied by 256 inside the device using a spe cial PLL to abou...

Page 27: ...ll Ideally all outputs of word clock delivering devices are designed as low impedance types but all word clock inputs as high impedance types in order to not weaken the signal on the chain But there a...

Page 28: ...28 User s Guide M 32 AD RME...

Page 29: ...User s Guide M 32 AD RME 29 User s Guide M 32 AD M 16 AD Technical Reference...

Page 30: ...96 kHz 0 5 dB 5 Hz 45 5 kHz Frequency response 192 kHz 1 dB 5 Hz 66 5 kHz THD 110 dB 0 00032 THD N 104 dB 0 00063 Channel separation 110 dB 15 2 Digital Inputs ADAT Optical 1 x TOSLINK according to Al...

Page 31: ...g to AES10 1991 Output voltage 600 mVpp Cable length coaxial up to 100 m Optical via FDDI duplex SC connector 62 5 125 and 50 125 compatible Cable length optical up to 2 000 m Generates 56 channel and...

Page 32: ...r consumption 15 Watt Max power consumption 20 Watt Weight 2 5 kg 5 5 lbs 15 7 Firmware The M Series is internally based on programmable logic By re programming of a little compo nent called Flash PRO...

Page 33: ...pins 2 5 8 11 16 19 22 25 Pin 13 is unconnected The servo balanced input circuitry allows to use unbalanced connections with no loss in level For this to work pins 3 and 1 GND have to be connected TRS...

Page 34: ...e and hence twice the sample rate A stereo signal subsequently requires two AES EBU ports The Double Wire method is an industry standard today however it has a number of different names like Dual AES...

Page 35: ...s generated internally and thus slightly higher or lower than the M 32 AD s internal sample rate Result When reading out the data there will frequently be read errors that cause clicks and drop outs A...

Page 36: ...imed to be a zero latency This applies to analog routing and mixing and in our opinion also to RME s Zero Latency Monitoring RME s digital receiver s buffer and the out put via the transmitter cause a...

Page 37: ...channels of 96 kHz data via one AES EBU port But Double Wire is still far from being dead On one hand there are still many devices which can t handle more than 48 kHz e g digital tape recorders But a...

Page 38: ...nced coaxial cables with 75 Ohms BNC plugs they are not expensive and easy to get The optical interface is much more interesting due to its complete galvanic separation but for many users it is a myst...

Page 39: ...SteadyClock has originally been de veloped to gain a stable and clean clock from the heavily jittery MADI data signal The embedded MADI clock suffers from about 80 ns jitter caused by the time resolu...

Page 40: ...40 User s Guide M 32 AD RME 17 Block Diagram M 32 AD...

Page 41: ...User s Guide M 32 AD RME 41 18 Block Diagram M 16 AD...

Page 42: ...r nibble refers to the bank number 0 7 e g 25h means bank 2 device 5 7Fh addresses all banks and all devices 19 2 Message Types Value Name 10h Request value 20h Set value 30h Value response Request Va...

Page 43: ...x see below 0Fh 15 level ch 09 x see below 10h 16 level ch 10 x see below 11h 17 level ch 11 x see below 12h 18 level ch 12 x see below 13h 19 level ch 13 x see below 14h 20 level ch 14 x see below 1...

Page 44: ...0 clock select 3 clock out 0 Fs 1 always sin gle speed 2 follow clock 0 off 1 on 1 MSB 1 clock state 0 single speed 1 ds 2 qs LSB 0 LSB 0 clock state 02h 2 settings byte 3 MSB 7 0 6 MSB 1 analog level...

Page 45: ...2 Lock 0 unlock 1 lock 3 ADAT 3 Sync 0 no sync 1 sync 2 ADAT 3 Lock 0 unlock 1 lock 1 ADAT 4 Sync 0 no sync 1 sync LSB 0 ADAT 4 Lock 0 unlock 1 lock 06h 6 info byte 4 MSB 7 0 6 0 5 0 4 0 3 0 2 0 1 MSB...

Page 46: ...18 27h 39 fan control MSB 7 0 6 MSB 1 fan mode 1 silent 2 cool 3 normal 5 LSB 0 fan mode 0 n a 4 0 3 0 fan speed is 2 MSB 2 fan speed 0 5 0 off 5 full speed response only 1 1 fan speed 1 4 slower fast...

Page 47: ...User s Guide M 32 AD RME 47 User s Guide M 32 AD M 16 AD Application Examples...

Page 48: ...al mixer for free routing and mixing of all I Os ADAT HDSPe RayDAT MADI HDSPe MADI General As ADAT is a common format many other devices can be connected to the HDSPe RayDAT as well cost efficient at...

Page 49: ...are connected via ADAT optical with the card It is recommended to operate the card in clock mode Master with all converters synchronizing to the ADAT signal Slave This setup will allow for up to 32 ch...

Page 50: ...y kind of electromagnetic interference It is recommended to operate the card in clock mode Master all converters synchronized to the MADI signal Slave This setup will allow for up to 64 channels with...

Page 51: ...in clock mode Master with all converters operating as slave One M 16 AD The clock source can be an unused ADAT output of the RayDAT In case the Word Clock Module of the RayDAT is present its word cloc...

Page 52: ...y kind of electromagnetic interference It is recommended to operate the card in clock mode Master all converters synchronized to the MADI signal Slave This setup will allow for up to 64 channels with...

Page 53: ...ack do not need to have the same number of channels When using the HDSPe RayDAT the DA converters will simply synchronize to the playback signal via their ADAT input The AD converters are synchronized...

Page 54: ...is not required Note The Delay Compensation operates separately for AD and DA converters It will only work when the AD and DA converters are connected serially in an organized way A DA between two AD...

Page 55: ...User s Guide M 32 AD RME 55...

Page 56: ...els bi directional with just one duplex cable Flexible setup Transmission of MIDI signals included Stage and FOH do not need to have the same number of channels For example while 16 chan nels are sent...

Page 57: ...A converter This becomes eas ily apparent when using all 64 channels as a different order will cause some channels to be overwritten with data from other units within the rack 20 6 Multiple Playbacks...

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