background image

 

 

26 

User’s Guide ADI-8 DS   

© RME

 

 

12. Technical Specifications 

 

  Power supply: Internal, 100-240 V AC, 30 Watts 

  Typical power consumption: 12 Watts 

  Dimensions including rack ears (WxHxD): 483 x 44 x 242 mm (19" x 1.73" x 9.5") 

  Dimensions without rack ears/handles (WxHxD): 436 x 44 x 235 mm (17.2" x 1.73" x 9.3") 

  Weight: 2 kg ( 4.4 lbs) 

  Temperature range: +5° up to +50° Celsius (41° F up to 122°F) 

  Relative humidity: < 75%, non condensing 

 
 

12.1 Analog 

 
Line In 1-8, TRS/D-Sub 

  Input: 6.3 mm TRS jack and D-sub 25-pin, servo-balanced

 

  Input impedance: 10 kOhm

 

  Input sensitivity swit24 dBu, +19 dBu, +13 dBu, +4.2 dBu @ 0 dBFS

 

 
AD-Conversion 

  Resolution: 24 bit 

  Signal to Noise ratio (SNR) @ +24 dBu, 44.1 kHz: 115.0 dB RMS unweighted, 119 dBA 

  Signal to Noise ratio (SNR) @ +19 dBu: 114.9 dB RMS unweighted, 118 dBA 

  Signal to Noise ratio (SNR) @ +13 dBu: 113.7 dB RMS unweighted, 117 dBA 

  Signal to Noise ratio (SNR) @ +4.2 dBu: 109.8 dB RMS unweighted, 113 dBA 

  Frequency response @ 44.1 kHz, -0.5 dB: 4 Hz – 20.8 kHz 

  Frequency response @ 96 kHz, -0.5 dB: 4 Hz – 45.5 kHz 

  Frequency response @ 192 kHz, -1 dB: 2 Hz – 90 kHz 

  THD: < -110 dB, < 0.00032 % 

  THD+N: < -104 dB, < 0.00063 % 

  Channel separation: > 110 dB 

 
DA-Conversion 

  Resolution: 24 bit 

  Signal to Noise ratio (SNR) @ +24 dBu, 44.1 kHz: 117,0 dB RMS unweighted, 120 dBA 

  Signal to Noise ratio (SNR) @ +19 dBu: 117 dB RMS unweighted, 120 dBA 

  Signal to Noise ratio (SNR) @ +13 dBu: 117 dB RMS unweighted, 120 dBA 

  Signal to Noise ratio (SNR) @ +4.2 dBu: 114 dB RMS unweighted, 117 dBA 

  Frequency response @ 44.1 kHz, -0.5 dB: 5 Hz – 22 kHz 

  Frequency response @ 96 kHz, -0.5 dB: 5 Hz – 45.9 kHz 

  Frequency response @ 192 kHz, -1 dB: 5 Hz - 90 kHz 

  THD: < -104 dB, < 0.00063 % 

  THD+N: < -102 dB, < 0.0008 % 

  Channel separation: > 110 dB 

 
 
Line Out 1-8, TRS 

  Maximum output level: +21 dBu 

  Output: 6.3 mm TRS jack, servo-balanced

 

  Output impedance: 75 Ohm

 

  Output level swit4.2 dBu, +13 dBu, +19 dBu @ 0 dBFS

 

 
Line Out 1-8, D-Sub 

  Maximum output level: +27 dBu 

  Output: D-sub 25-pin, electronically balanced

 

  Output impedance: 150 Ohm

 

  Output level swit4.2 dBu, +13 dBu, +19 dBu, +24 dBu @ 0 dBFS 

Содержание ADI-8 DS

Страница 1: ...true industry standard SyncAlign SyncCheck SteadyClock Hi Precision 24 Bit 192 kHz Reference Low Latency Conversion 8 Channel Analog AES ADAT Interface 24 Bit 192 kHz Digital Audio ADAT AES Format Co...

Страница 2: ...nce 16 Inputs and Outputs 9 Analog Inputs Outputs 9 1 Line In 18 9 2 Line Out 19 10 Digital Inputs Outputs 10 1 AES EBU 20 10 2 ADAT Optical 21 11 Word Clock 11 1 Word Clock Input and Output 22 11 2 T...

Страница 3: ...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...

Страница 4: ...4 User s Guide ADI 8 DS RME...

Страница 5: ...User s Guide ADI 8 DS RME 5 User s Guide ADI 8 DS General...

Страница 6: ...Have fun 2 Package Contents Please check that your ADI 8 DS package contains each of the following ADI 8 DS Power cord Manual 1 optical cable TOSLINK 2 m 3 Brief Description and Characteristics The AD...

Страница 7: ...is reached at full scale of the DA converters thus matching the front panel level meter s level indi cation The rear panel of the ADI 8 DS has eight analog inputs eight analog outputs mains power word...

Страница 8: ...at the loudest parts of the signal then reduce the level a bit until no more Overs are detected The analog line inputs of the ADI 8 DS can be accessed by using D sub for an optional XLR multicore and...

Страница 9: ...D sub to 4 x XLR male 4 x XLR female 1m 3 3 ft BO25MXLR4M4F3PRO same 3 m 9 9 ft BO25MXLR4M4F6PRO same 6 m 19 8 ft BO25M25M1PRO Digital D sub Cable Pro AES EBU 25 pin D sub to 25 pin D sub 1m 3 3 ft B...

Страница 10: ...to the value of the ADI 8 DS The general terms of business drawn up by Au dio AG apply at all times 7 Appendix RME news and further information can be found on our website http www rme audio com Distr...

Страница 11: ...er 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 Conne...

Страница 12: ...12 User s Guide ADI 8 DS RME...

Страница 13: ...User s Guide ADI 8 DS RME 13 User s Guide ADI 8 DS Usage and Operation...

Страница 14: ...AT instead The corresponding LED will be off then 8 4 Patch Mode Patch Mode controls the direct digital connection between all I Os 8 different modes are available Each mode is clearly visualized by 6...

Страница 15: ...ly lit OK LED 44 1 48 Activates the internal clock at 44 1 kHz or 48 kHz DS QS With the DS LED additionally lit the sample rate will be 88 2 or 96 kHz with QS lit it will be 176 4 or 192 kHz A selecti...

Страница 16: ...el meters of the D A STATE show the digital input level per channel as digital value dBFS The yellow 0 dBFS LEDs become active already 2 dB before full scale level 2 dBFS with half brightness and full...

Страница 17: ...User s Guide ADI 8 DS RME 17 User s Guide ADI 8 DS Inputs and Outputs...

Страница 18: ...al path that guarantees an exceptional sound quality outstanding low distortion and highest Signal to Noise ratio in all level settings One of the main issues when working with an AD converter is to m...

Страница 19: ...al dealer will supply analog breakout multicores D sub to XLR in Tascam pinout in different lengths The maximum output level at the D sub connector is 27 dBu Each output channel has its own 7 segment...

Страница 20: ...sample rate and format converter is highly recommended Besides the audio data digital signals in SPDIF or AES EBU format contain a channel status coding which is being used for transmitting further in...

Страница 21: ...g input signal When activat ing Patch Mode the currently chosen digital input data is present at the outputs instead see chapter 8 4 The ADAT outputs can be used in parallel to the AES outputs at up t...

Страница 22: ...ate the termination Output The ADI 8 DS 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...

Страница 23: ...t word clock is not only the great problem solver it also has some disadvantages The word clock is based on a fraction of the really needed clock For example SPDIF 44 1 kHz word clock a simple square...

Страница 24: ...he higher voltage word clock networks are in some cases more stable and reliable if cables are not terminated at all Ideally all outputs of word clock delivering devices are designed as low impedance...

Страница 25: ...User s Guide ADI 8 DS RME 25 User s Guide ADI 8 DS Technical Reference...

Страница 26: ...weighted 113 dBA Frequency response 44 1 kHz 0 5 dB 4 Hz 20 8 kHz Frequency response 96 kHz 0 5 dB 4 Hz 45 5 kHz Frequency response 192 kHz 1 dB 2 Hz 90 kHz THD 110 dB 0 00032 THD N 104 dB 0 00063 Cha...

Страница 27: ...24 bit 48 kHz equalling 4 channels 24 bit 192 kHz Bitclock PLL ensures perfect synchronization even in varispeed operation Lock range 31 5 kHz 54 kHz Jitter when synced to input signal 1 ns Jitter su...

Страница 28: ...els 24 bit 96 kHz S MUX4 16 channels 24 bit 48 kHz equalling 4 channels 24 bit 192 kHz Word Clock BNC Max output voltage 5 Vpp Output voltage 75 Ohm 4 0 Vpp Impedance 10 Ohm Frequency range 27 kHz 200...

Страница 29: ...ors are clearly labelled with Tascam and Ya maha The cable can only be used when the Tascam side is connected to a Tascam connector and the Yamaha side is connected to a Yamaha connector Yamaha Signal...

Страница 30: ...allows to use unbalanced connections with no loss in level For this to work pins 3 and 1 GND have to be connected The output circuitry does not operate in a servo balanced way When connecting unbalan...

Страница 31: ...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...

Страница 32: ...is generated internally and thus slightly higher or lower than the ADI 8 DS internal sample rate Result When reading out the data there will frequently be read errors that cause clicks and drop outs...

Страница 33: ...e analog inputs and out puts do cause a significant delay Modern converter chips operate with 64 or 128 times over sampling plus digital filtering in order to move the error prone analog filters away...

Страница 34: ...s then possible to transmit two channels of 96 kHz data via one AES EBU port But Double Wire is still present today On one hand there are still many devices which can t handle more than 48 kHz e g dig...

Страница 35: ...rinciple because the audio information is stored in the same place in the data stream However there are blocks of additional information which are different for both standards In the table the meaning...

Страница 36: ...114 dB again This can be verified with RME s DIGICheck The function Bit Statistic Noise measures the noise floor by Limited Bandwidth ignoring DC and ultrasound The reason for this behaviour is the no...

Страница 37: ...teadyClock 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 resoluti...

Страница 38: ...38 User s Guide ADI 8 DS RME 14 Block Diagram...

Отзывы: