Technical Specifications

Analog

AD, Microphone/Line 1-2

• Input: XLR, electronically balanced
• Input impedance balanced: 2 kOhm, 5.2 kOhm with PAD
• Input impedance unbalanced: 1 kOhm, 2.6 kOhm with PAD
• Signal to Noise ratio (SNR): 113 dB RMS unweighted, 116 dBA
• Frequency response @ 44.1 kHz, -0.1 dB: 18 Hz – 20.8 kHz
• Frequency response @ 96 kHz, -0.5 dB: 7 Hz – 45.8 kHz
• Frequency response @ 192 kHz, -1 dB: 5 Hz – 92 kHz
• With PAD active : -0.1 dB 8 Hz, -0.5 dB < 4 Hz, -1 dB < 3 Hz
• THD: < -110 dB, < 0.00032 %
• THD+N: < -104 dB, < 0.00063 %
• THD @ 30 dB Gain: < -107 dB, < 0.0004 %
• THD+N @ 30 dB Gain: < -100 dB, < 0.001 %
• Channel separation: > 110 dB
• Gain range: -11 dB up to +65 dB
• Maximum input level XLR, Gain 0 dB: +8 dBu, PAD +19 dBu
• Maximum input level XLR, Gain 65 dB: -57 dBu, PAD -46 dBu

AD, Line/Instrument In 3-4

As Microphone/Line 1-2, but:

• Input: 6.3 mm TS jack, unbalanced
• Input impedance: 470 kOhm
• Signal to Noise ratio (SNR): 114 dB RMS unweighted, 117 dBA
• Frequency response @ 44.1 kHz, -0.1 dB: 5 Hz – 20.8 kHz
• Frequency response @ 96 kHz, -0.5 dB: < 3 Hz – 45.8 kHz
• Frequency response @ 192 kHz, -1 dB: < 2 Hz – 92 kHz
• Maximum input level @+4 dBu, Gain 0 dB: +13 dBu
• Maximum input level @-10 dBV, Gain 9 dB: -5 dBu

DA, Line Out 1-2

• Dynamic range (DR): 115 dB RMS unweighted, 118 dBA
• Frequency response @ 44.1 kHz, -0.5 dB: 0 Hz – 20.8 kHz
• Frequency response @ 96 kHz, -0.5 dB: 0 Hz – 45 kHz
• Frequency response @ 192 kHz, -1 dB: 0 Hz - 89 kHz
• THD: - 106 dB, 0.0005 % • THD+N: -102 dB, 0.0008 %
• Channel separation: > 110 dB
• Output: XLR balanced
• Output impedance: 300 Ohm balanced, 150 Ohm unbalanced
• Output level @ 0 dBFS: Balanced +19 dBu, unbalanced +13 dBu
• DC @ 0 dBFS: 6.35mm 4.8 V, 3.5mm 2.4 V, XLR bal. 9.6 V

DA, Phones 3/4

AS DA Line Out, but:

• Output: 6.3 mm TRS jack, unbalanced
• Output impedance: 10 Ohm
• Output level at 0 dBFS, 1 kOhm load: +13 dBu
• Max power @ 0.1% THD: 50 mW
• Output: 3.5 mm TRS jack, unbalanced
• Output impedance: 2 Ohm
• Output level at 0 dBFS, 1 kOhm load: +7 dBu
• Max power @ 0.1% THD: 70 mW

MIDI

• 1 x MIDI I/O via breakout cable with 2 x 5-pin DIN jacks
• Galvanically isolated by optocoupled input
• Hi-speed mode: Jitter and response time typically below 1 ms
• Separate 128 byte FIFOs for input and output 25.3

Digital

• Clocks: Internal, ADAT In, SPDIF In
• Low Jitter Design: < 1 ns in PLL mode, all inputs
• Internal clock: 800 ps Jitter, Random Spread Spectrum
• Jitter suppression of external clocks: > 50 dB (2.4 kHz)
• Effective clock jitter influence on AD and DA conversion: near zero
• PLL ensures zero dropout, even at more than 100 ns jitter
• Digital Bitclock PLL for trouble-free varispeed ADAT operation
• Supported sample rates: 28 kHz up to 200 kHz

Digital Inputs

ADAT Optical

• 1 x TOSLINK
• Standard: 8 channels 24 bit, up to 48 kHz
• Double Speed (S/MUX): 4 channels 24 bit 96 kHz
• Quad Speed (S/MUX4) : 2 channels 24 bit 192 kHz
• Bitclock PLL ensures perfect synchronisation even in varispeed operation
• Lock Range: 31.5 kHz – 50 kHz
• Jitter when synced to input signal: < 1 ns
• Jitter suppression: > 50 dB (2.4 kHz)

SPDIF optical

• 1 x optical, according to IEC 60958
• Accepts Consumer and Professional format
• Lock Range: 27 kHz – 200 kHz
• Jitter when synced to input signal: < 1 ns
• Jitter suppression: > 50 dB (2.4 kHz) 25.5

Digital Outputs

ADAT optical

• 1 x TOSLINK
• Standard: 8 channels 24 bit, up to 48 kHz
• Double Speed (S/MUX): 4 channels 24 bit 96 kHz
• Quad Speed (S/MUX4) : 2 channels 24 bit 192 kHz

SPDIF optical

• 1 x optical, according to IEC 60958
• Format Consumer (SPDIF) according to IEC 60958
• Sample rate 28 kHz up to 200 kHz

General

• Power supply: USB bus power or external power supply
• Typical power consumption: 2.9 Watts
• Max. power consumption: 4.6 Watts
• Current at 5 V bus power operation: 600 mA (2.9 Watts)
• Current at 12 V external power: 240 mA (2.9 Watts)
• Dimensions (WxHxD): 108 x 35 x 181 mm (4.25" x 1.4" x 7.1")
• Weight: 680 g ( 1.5 lbs)
• Temperature range: +5° up to +50° Celsius (41° F up to 122°F)
• Relative humidity: < 75%, non condensing

Driver support

- Windows 10 / 8 / 7 / Vista / XP SP2 (32 & 64 bit)

- Apple Mac OS X 10.6 or up (Core Audio)

System Requirements

Computer with at least Pentium Core 2 Duo CPU.