With the ADI-2 DA, RME's engineers took the opportunity to perfect the DAC's analogue output stage even further. With more relays, an improved double-symmetrical attenuation circuit and an additional buffer operational amplifier, even less noise and lower distortion are achieved. Since the DAC chip is the limiting factor here, this is difficult to measure, but still an important improvement, especially at the lower output levels typical of RCA use. The new hardware reference levels of +13 dBu, +7 dBu, +1 dBu and -5 dBu also play their part.
Specifications
  • Lock Range: 28 kHz - 200 kHz
  • Jitter suppression: > 50 dB (2.4 kHz
  • Jitter at sync to input signal: < 1 ns
  • Accepts Consumer and Professional Format
  • SPDIF coaxial
  • 1 x Cinch, according to IEC 60958
  • High sensitivity input stage (< 0.3 Vpp)
  • AES/EBU compatible (AES3-1992)
  • SPDIF optical
  • 1 x optical, acc. to IEC 60958
  • ADAT compatible
  • Output level switchable +19 dBu, +13 dBu, +7 dBu, +1 dBu @ 0 dBFS
  • Signal to Noise Ratio (SNR) @ +7/+13/+19 dBu: 117 dB RMS unweighted, 120 dBA
  • Signal-to-Noise Ratio (SNR) @ +1 dBu: 115.4 dB RMS unweighted, 118.9 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 @ -1 dBFS: -112 dB, 0.00025 %
  • THD+N @ -1 dBFS: -110 dB, 0.00032 %
  • THD @ -3 dBFS: -116 dB, 0.00016 %
  • &cross-talk attenuation:: 120 dB
  • Output impedance: 200 ohms balanced, 100 ohms unbalanced
  • Chinch
  • As XLR, but:
  • Output: RCA, unbalanced
  • Output level 6 dB lower than XLR (-5 dBu to +13 dBu @ 0 dBFS)
  • Noise ratio (SNR) @ +13 dBu: 117 dB RMS unweighted, 120 dBA
  • Signal-to-Noise Ratio (SNR) @ +1/+7 dBu: 114/116 dB RMS unweighted, 117/119 dBA
  • Signal-to-Noise Ratio (SNR) @ -5 dBu: 109 dB RMS unweighted, 113 dBA
  • Phones
  • As RCA, but:
  • Output: 6.3 mm stereo jack, unbalanced
  • Output impedance: 0.1 Ohm
  • Signal-to-Noise Ratio (SNR) @ +22 dBu: 117 dB RMS unweighted, 120 dBA
  • Signal-to-Noise Ratio (SNR) @ +7 dBu: 116 dB RMS unweighted, 119 dBA
  • Output level @ 0 dBFS, High Power, load 100 ohms or höher: +22 dBu (10 V)
  • Output level @ 0 dBFS, Low Power, load 8 ohms or höher: +7 dBu (1.73 V)
  • THD @ +18 dBu, 32 Ohm load, 1.2 Watt: -110 dB, 0.0003 %
  • THD+N @ + 18 dBu, 32 Ohm load: -107 dB, 0.00045 %
  • THD @ +14 dBu, 16 Ohm load, 0.94 Watt: -110 dB, 0.0003 %
  • Maximum output power @ 0.001% THD: 1.5 W per channel
  • IEM
  • As Phones, but:
  • Output level at 0 dBFS: -3 dBu, 0.55 V
  • Noise ratio (SNR) @ -3 dBu: 115 dB RMS unweighted, 118 dBA
  • Maximum output power, 8 ohms, 0.001% THD: 40 mW per channel
  • Digital part
  • Clocks: Internal, SPDIF In
  • Low Jitter Design: < 1 ns in PLL mode, all inputs
  • Internal clock: < 800 ps jitter, Random Spread Spectrum
  • Jitter suppression with external clock: > 50 dB (2.4 kHz
  • Practically no effective jitter influence of the clock on DA conversion
  • PLL works even with more than 100 ns jitter without dropouts
  • Additional digital bitclock PLL for noise-free varipitch in ADAT operation
  • Supported sample frequencies for external clocks: 28 kHz up to 200 kHz
  • Internal clocks: 44.1 kHz up to 768 kHz
Technical data

Options

No
No

Construction

2
No
Yes

Connections

0
0
No
Yes
Yes
No

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