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Darko reviews the RME’s ADI-2 DAC FS. Mastering grade DAC for $1000?

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The ADI-2 DAC includes an improved SteadyClock, a fine-tuned to perfection analog circuitry, new MRC remote control, Extreme Power headphone output and a very special IEM output. It has all the bells and whistles that made the ADI-2 Pro famous, including its perfectly transparent sound signature and full DSP processing with Bass, Treble, Loudness, 5 Band Parametric EQ, Crossfeed and much more. With its simplified operation and stunning design it is the ideal center piece from home listening up to studio reference playback.

DIGITAL INPUTS

General

  • Lock Range: 28 kHz – 200 kHz
  • Jitter suppression: > 50 dB (2.4 kHz)
  • Jitter when synced to input signal: < 1 ns
  • Accepts Consumer and Professional format

SPDIF coaxial

  • 1 x RCA, according to IEC 60958
  • High-sensitivity input stage (< 0.3 Vpp)
  • AES/EBU compatible (AES3-1992)

SPDIF optical

  • 1 x optical, according to IEC 60958
  • ADAT compatible

ANALOG OUTPUTS

XLR

  • Output level switchable +19 dBu, +13 dBu, +7 dBu, +1 dBu @ 0 dBFS
  • Signal-to-noise ratio (SNR) @ +7/+13/+19 dBu: 120 dB RMS unweighted, 123 dBA
  • Signal-to-noise ratio (SNR) @ +1 dBu: 117 dB RMS unweighted, 120 dBA
  • Frequency response @ 44.1 kHz, -0.1 dB: 0 Hz – 20.2 kHz
  • Frequency response @ 96 kHz, -0.5 dB: 0 Hz – 44.9 kHz
  • Frequency response @ 192 kHz, -1 dB: 0 Hz – 88 kHz
  • Frequency response @ 384 kHz, -1 dB: 0 Hz – 115 kHz
  • Frequency response @ 768 kHz, -3 dB: 0 Hz – 109 kHz
  • THD @ 0 dBFS: < -120 dB, 0.0001 %
  • THD+N @ 0 dBFS: -116 dB, 0.00016 %
  • Channel separation: > 120 dB
  • Output impedance: 200 Ohm

RCA

As output XLR, but:

  • Output: 6.3 mm TS jack, unbalanced
  • Output level 6 dB lower than XLR (-5 dBu to +13 dBu @ 0 dBFS)
  • Signal-to-noise ratio (SNR) @ +13 dBu: 120 dB RMS unweighted, 123 dBA
  • Signal-to-noise ratio (SNR) @ +1/+7 dBu: 116/119 dB RMS unw., 119/122 dBA
  • Signal-to-noise ratio (SNR) @ -5 dBu: 112 dB RMS unweighted, 114 dBA
  • Output impedance: 100 Ohm

Phones

As RCA, but:

  • Output: 6.3 mm TRS jack, unbalanced, stereo
  • Output impedance: 0.1 Ohm
  • Signal-to-noise ratio (SNR) @ +22 dBu: 120 dB RMS unweighted, 123 dBA
  • Signal-to-noise ratio (SNR) @ +7 dBu: 118 dB RMS unweighted, 121 dBA
  • Output level at 0 dBFS, High Power, load 100 Ohm or up: +22 dBu (10 V)
  • Output level at 0 dBFS, Low Power, load 8 Ohm or up: +7 dBu (1.73 V)
  • THD @ +18 dBu, 32 ohm load, 1.2 watts: -120 dB, 0.0001 %
  • THD+N @ + 18 dBu, 32 Ohm Load: -114 dB, 0.0002 %
  • THD @ +14 dBu, 16 Ohm load, 0.94 Watt: -110 dB, 0.0003 %
  • Max power @ 0.001% THD: 1.5 W per channel

IEM

As Phones, but:

  • Output level at 0 dBFS: -3 dBu, 0.55 V
  • Signal-to-noise ratio (SNR) @ -3 dBu: 118 dB RMS unweighted, 121 dBA
  • Max power, 8 Ohm, 0.001% THD: 40 mW per channel

DIGITAL

  • Clocks: Internal, SPDIF In
  • Jitter suppression of external clocks: > 50 dB (2.4 kHz)
  • Effective clock jitter influence on DA conversion: near zero
  • PLL ensures zero dropout, even at more than 100 ns jitter
  • Additional Digital Bitclock PLL for trouble-free varispeed ADAT operation
  • Supported sample rates for external clocks: 28 kHz up to 200 kHz
  • Internally supported sample rates: 44.1 kHz up to 768 kHz

GENERAL

  • Included power supply: external switching PSU, 100 – 240 V AC, 2 A, 24 Watts
  • Standby power consumption: 120 mW (10 mA)
  • Idle power consumption: 7 Watts, Max. power consumption: 18 Watts
  • Idle current at 12 V: 570 mA (6.8 Watts)
  • Dimensions (WxHxD): 215 x 52 x 150 mm (8.5″ x 2.05″ x 5.9″)
  • Weight: 1.0 kg ( 2.2 lbs)
  • Temperature range: +5° up to +50° Celsius (41° F up to 122°F)
  • Relative humidity: < 75%, non condensing

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