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swissonic aD 96 User Manual

4 channel super audio analog/digital converter
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Summary of Contents for swissonic aD 96

  • Page 1 Users Manual...
  • Page 2 To whom it may concern This letter is our statement of conformity to the appro- Swissonic AG priate CE certifications. Based on testing performed in P. O. Box 304 September 1999, our products, Swissonic AD96 and CH-8730 Uznach Swissonic DA96 meet...
  • Page 3 Quick Start Connect your analog sources to the IN 1–4 connectors from the rear panel. Connect your digital device to the Adat out or AES/EBU ports from the rear panel. Power the unit using the power supply found in the package. Set the unit’s mode of operation by pressing the front panel switches until the following indicators are lit: Meters: -60…0 dB;...
  • Page 4 4 balanced XLR inputs (+4 dB) LED-bar input monitoring w. multiple metering modes Low-noise L/C PLL system BNC Wordclock in- and output (x1/x2/Superclock) Conversion between Wordclock formats 44,1, 48,0, 88,2 and 96 kHz sampling rate Adat optical output with B/MUX and S/MUX format options Dithering generator/noise shaper for <...
  • Page 5 6 Clock source. Use this button to select the clock source for the unit. The LEDs above it will display the current clock source. The available clock sources are: Internal. The unit will use it’s internal clock; WCL x1. The unit will use the clock signal from the Wordclock In connector.
  • Page 6 B/MUX. This is a special mode of recording that maps the full 24-bit data into multiple channels for use with recorders/systems that only support 16-bit Adat resolution. For more information see the Adat Formats section below; S/MUX. This is the normal recording mode for 88,2 and 96 kHz sample rates, providing the odd/even samples on alternate channels.
  • Page 7 Internal 1 Connect your analog source(s) using twisted clock pair balanced cables provided with XLR connectors operation to the INP1–INP4 inputs from the rear panel; 2 Supply the unit with power using the supplied mains adapter through the jack marked +12 V AC on the rear panel.
  • Page 8 frequency at 44,1, 48,0, 88,2 or 96,0 kHz as shown by the corresponding LEDs. 7. Use the Adat Format button to choose a recording format that will match your selections of sample rate and output resolution, and the capabilities of your Adat machine. 8.
  • Page 9 (±12 V for the AD 96). The unit’s levels are selected to allow the full differen- tial input voltage range plus a common mode range of 6V to be accommodated without clipping.
  • Page 10 with the tip corresponding to pin 2 of the XLR («posi- tive» or «hot» signal), the ring corresponding to pin 3 («negative» or «cold» signal) and the sleeve corre- sponding to pin 1 («ground» or «shield»). The cable should be configured as shown in Figure 3B. The input level of the AD96 is selected for compati- Level Matching bility to most «pro-level»...
  • Page 11 A: RCA to XLR connection black black two conductor shielded twisted cable shield Male B: TS to XLR connection Figure 6: Unbalanced to balanced cable black black two conductor shielded twisted cable shield setup (ground lifted) Male the AD96, as shown above, as most non-balanced equipment has low output level.
  • Page 12 The level meters of the AD96 were designed to sup- Level Meters port the user throughout the recording process: It helps accurately set the recording level before record- ing (using the high-resolution -15…0 and -25…-10 scales for lineup), monitor the level during recording (using the high dynamic range –60..0 scale), and ensure that no or limited clipping occurred (by check- ing the overs counter after the recording).
  • Page 13 If you need to synchronize one or more AD96 units, or a combination of AD96 units and other equipment, then you will need a master clock source for the whole system. If you have such a clock source then all you have to do is to set all AD96 units on external clock, and feed them from the clock source.
  • Page 14 clock source, one unit can be used to convert to x1 or Figure 8: A single x2 mode and the output of that unit fed to the other. AD96 is slaved to an Figures 8, 9, 10 and 11 show examples of clocking external 48 kHz clock configurations.
  • Page 15 recording equipment operates without modification. This solution has been specified to a high degree of generality by the S/MUX standard. In short, the first channel of 96kHz data goes to Adat channels 1 and 2, the second to Adat channels 3 and 4 etc. The AD96 supports S/MUX by default whenever operating in 88/96 mode.
  • Page 16 S/MUX. AD96 settings: Sample rate: 88 or 96, B/MUX: off, S/MUX on, Output resolution: 20 bits. In 96 kHz mode, there’s plenty of non-audible spectrum (between 20 and 40 kHz) to place the dither, so the difference between this mode and real 24 bits is non-decelable.
  • Page 17 Some users prefer to use the professional format with 75ohm coax cable and BNC connectors, due to the reduction in cost, ease of patching and more reliable operation. The AD24 supports this mode as well. An adapter from the balanced XLR to 75ohm BNC is shown in figure 15.
  • Page 18 Resolution Specifications Resolution: 24 bits Resolution reduction: to 20, 18 or 16 bits Using dithering with psycho- acoustic noise shaping Dynamic Performance Dynamic Range 118 dB (A-weighted) 113 dB (unweighted) Total Harmonic Distortion + Noise -100 dB (-1 dBFS input level) 20…20 000 Hz (-95 dB -20 dBFS input level) (-53 dB (-60 dBFS input level)
  • Page 19 Frequency Response Passband: 20–44 200 Hz @ -0,1dB, FS = 96,0 kHz 20–40 600 Hz @ -0,1dB, FS = 88,2 kHz 20–22 100 Hz @ -0,1dB, FS = 48,0 kHz 20–20 300 Hz @ -0,1dB, FS = 44,1 kHz Passband Ripple: 0,01 dB Low cut frequency: 1,5 Hz -3dB...
  • Page 20 Internal clock Frequency error: < 100 ppm over temperature range Jitter: < 50 ps rms PLL section Static phase error: < 100 ns over temperature range Internally generated jitter: < 100 ps rms Jitter attenuation: 25 dB @ 500 Hz 40 dB @ 5000 Hz AES/EBU outputs Type...

  • Page 21: Limited Warranty On Hardware

    B digital device, months from the date of original retail purchase. If you pursuant to part 15 of the discover a defect, first write or call Swissonic AG at FCC rules. These limits are designed to provide (0041) 55 285 86 10 to obtain a Return Merchandise reasonable protection Authorization Number.
  • Page 22 Swissonic AG P. O. Box 304 CH-8730 Uznach Switzerland Phone +41552858610 +41552858615 www.swissonic.com info @ swissonic.com Swissonic America 407 Stony Point RD Santa Rosa CA 95401 Phone 707 577 7691 707 577 7692 www.swissonic.com infousa swissonic.com...