Universal Audio 2192 Instructions d'exploitation Page 1

Model 2192 Master Digital Audio Interface Manual Part Number: 65-0701 Revision 1.02 Universal Audio, Inc. 1700 Green Hills Road Scot

10 Specifications Analog • Inputs:  2x balanced XLR female connectors  DC coupled, dual-differential  Common-mode rejection ratio (CMRR): >

11 o Residual noise (200Hz-20kHz):  < -145dBFS (-123dBu) o Total Harmonic Distortion + Noise (measured at 1kHz):  -110dB, with +4dBu input 

12 Digital • 2-Channel S/PDIF:  Dual stacked RCA  Unbalanced, transformer driven output  AC coupled input • 2-Channel AES/EBU:  Transformer

13 Front Panel Figure 1 below displays the names of the 2192 front panel elements along with an index number. Table 1 below indicates the page number

14 Rear Panel Figure 2 below displays the names of the 2192 rear panel elements along with an index number. Table 2 below indicates the page number w

15 Block Diagram Figure 3: Block Diagram

16 Connections All 2192 connectors are on the rear panel of the unit. The only adjustable controls on the rear panel are the analog level trims (page

17 AES/EBU Digital Input B This female XLR jack receives the right channel of incoming 24 bit 176.4 or 192kHz AES/EBU digital audio signals at 88.2 o

18 Superclock (256x) is not supported. Vari-speed sync is supported. The 2192 BNC word clock inputs each provide an internal 75-ohm terminator. Word

19 The analog outputs are calibrated at the factory so that a digital signal level of –18dBFS will output an analog level of +4dBu, for 18dB of headr

2 Notice Important Safety Instructions Before using this unit, be sure to carefully read the applicable items of these operating instructions and the

20 To calibrate the analog line inputs: 1. Connect the analog reference generator to the analog input channel of the 2192. 2. Connect the digital o

21 To calibrate the Output Level Meters: 1. With the unit powered down, remove the AC line cord. 2. Place the unit on a flat, stable area and rem

22 Ground Isolation Jumpers Each of the eight balanced connectors (the analog and AES/EBU digital I/O) can individually isolate pin 1 from ground if

23 Controls The front panel contains most of the user adjustable controls and indicators for the 2192. The only controls located on the rear panel ar

24 The 2192 sample rate is determined by the Clock and Sample Rate knobs except when the clock source is set to AES/SPDIF, in which case the sample r

25 ADAT When the Clock knob is set to ADAT, the digital clock signal present at the ADAT optical digital input (page 18) on the rear panel is used as

26 Sample Rate Knob Setting 44.1 48 88.2 96 176.4 192 44.1 44.1 44.1 88.2 88.2 176.4 176.4 48 48 48 96 96 192 192 88.2 44.1 44.1 88.2

27 ADAT In When the Analog Outputs knob is set to ADAT In, the digital signal from the ADAT optical input (page 18) is routed to the D/A converters a

28 Important: At this setting, the digital signal (AES or S/PDIF) routed to the digital outputs is determined by the AES/SPDIF switch. ADAT In When t

29 Clocking The internal digital clock of the 2192 was designed for extreme stability and jitter-free operation. The internal clock conditioner remov

3 FCC Compliance 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 Rule

30 Analog to Digital Conversion Analog signals can be converted to digital at sampling rates of 44.1, 48, 88.2, 96, 176.4, and 192kHz. The digital ou

31 A/D Using External Clock In this configuration, the 2192 is synchronized (slaved) to an external master digital source clock. Two separate word cl

32 Digital to Analog Conversion Digital signals can be converted to analog at sampling rates between 44.1 and 192kHz. All 24-bits of the digital inpu

33 D/A Using Digital Audio Source Clock In this configuration, the 2192 is synchronized to the clock signal that is imbedded within the digital audio

34 D/A Using External BNC Word Clock In this configuration, D/A conversion is accomplished while the 2192 is synchronized to one of the two independe

35 D/A Using ADAT Clock with AES/SPDIF Audio In this configuration, D/A conversion is accomplished on an AES/EBU or S/PDIF digital audio signal while

36 D/A Using AES/SPDIF Clock with ADAT Audio In this configuration, D/A conversion is accomplished on an ADAT digital audio signal while the 2192 is

37 Transcoding The 2192 can transcode (convert) digital audio data between AES/EBU, S/PDIF, and ADAT S-MUX formats in realtime. The transcoded digita

38 Transcoding Using Digital Audio Clock In this configuration, the 2192 is synchronized to the clock signal that is imbedded within the digital audi

39 Transcoding Using Alternate Clock In this configuration, the 2192 is synchronized to an external clock master. The digital audio source device can

4 Contents Notice ...2 Important Safety Instructions ...

40 Diagrams Frequency Response Figure 5: Frequency Response

41 Dynamic Range: A/D Figure 6: A/D Dynamic Range Dynamic Range: D/A Figure 7: D/A Dynamic Range

42 Mastering Setup Figure 8: Typical Mastering Setup Digital Audio Workstation Setup Figure 9: Typical DAW Setup

43 8-Channel Pro Tools Setup Figure 10: Typical Pro Tools HD Setup

44 Index A A/D Using External Clock, 31 A/D Using Internal Clock, 30, 32 AC Line, 12 AC Power Input, 16 AC voltage, 28 AD Converters, 27, 28 ADAT, 9,

45 P phase, 17 phase aligned, 8 Phase response, 10 power, 16 Power Indicator, 13 Power Lamp, 28 power supply, 9, 16 Power Switch, 13, 28 pre-emphasis

5 Controls...23 LED Level Meters ...

6 Diagrams ...40 Frequency Response ...

7 Introduction Analog Ears, Digital Minds Thank you for using the 2192 Master Digital Audio Interface, the first product to combine Universal Audio’s

8 Clocking The internal digital clock of the 2192 was designed for extreme stability and jitter-free operation. The internal clock conditioner remove

9 Features • Ultra-low noise 44.1kHz – 192kHz A/D and D/A converters • Low jitter internal clock source provides 44.1, 48, 88.2, 96, 176.4 and 19