Easy to operate the unit right out of the box. Balanced analog inputs and outputs, monitoring via headphone output, SteadyClock FS for optimal conversion quality, 3-stage hardware input and output level control and the additional modes D-D and A-A turn the ADI-2 FS into a universal tool and a flexible problem solver. Its pro-class sound qualifies it also as extension for other premium converters.

The ADI-2 FS is equipped with two servo-balanced analog line inputs via XLR/phones combo jacks, simultaneously usable balanced XLR and unbalanced phone jacks, an adjustable High Power headphone output on the front, an ADAT compatible optical SPDIF I/O, and a coaxial SPDIF I/O (RCA, AES/EBU compatible). These extensive connectivity options provide most flexible and uncompromised signal transmission.

The analog inputs use the advanced circuit design of the highly acclaimed ADI-2 Pro, thus offering outstandingly low noise and distortion as well as an extended frequency response. Three different settings for input and output levels provide perfect compatibility in the analog domain. A further highlight is SteadyClock FS,RMEs latest clock technology for maximum jitter suppression and lowest self-jitter. It guarantees superb sound quality completely independent from the quality of the current reference clock. The ADI-2 FS also uses the conversion technology of the ADI-2 Pro: the AK557x family and the AK4490 not only offer 192 kHz sampling frequency and lowest distortion, but also a dynamic range of 120 dBA.

But the ADI-2 has more to offer than tremendous sound. It also provides exciting digital connectivity. Its coaxial RCA SPDIF I/O has a switchable Channel Status to make it fully AES/EBU compatible (cable adapter required). The optical TOSLINK I/Os can handle up to 192 kHz and also serve as ADAT I/O, even at 192 kHz. An operation with SPDIF input and ADAT output or vice versa is supported, in both AD/DA and D-D mode.

The clear layout and distinct labeling of the front panel with its functional buttons, the informative status display, a 6 LED level meter as well as the tidy back panel.

RME ADI2FS AD/DA Converter Specifications

• ANALOG
  • AD:
    • Signal to Noise ratio (SNR) @ +19 dBu: 117 dB RMS unweighted, 121 dBA
    • Frequency response @ 44.1 kHz, -0.1 dB: 5 Hz – 20.5 kHz
    • Frequency response @ 96 kHz, -0.5 dB: 3 Hz – 45.5 kHz
    • Frequency response @ 192 kHz, -1 dB: 2 Hz – 92.7 kHz
    • THD @ -1 dBFS: -114 dB, 0.00015 %
    • THD+N @ -1 dBFS: -112 dB, 0.00025 %
    • Channel separation: > 110 dB
    • Max Input Level AD: +19 dBu
    • Input: XLR or 1/4" TRS, electronically balanced
    • Input impedance balanced: 36 kOhm, unbalanced: 18 kOhm
    • Input sensitivity switchable: +4 dBu, +13 dBu, +19 dBu @ 0 dBFS
  • DA:
    • Signal to Noise ratio (SNR): 117 dB RMS unweighted, 120 dBA
    • Frequency response @ 44.1 kHz, -0.1 dB: 10 Hz – 20.2 kHz
    • Frequency response @ 96 kHz, -0.5 dB: 5 Hz – 44.9 kHz
    • Frequency response @ 192 kHz, -1 dB: 3 Hz – 88 kHz
    • THD @ -1 dBFS: -112 dB, 0.00025 %
    • THD+N @ -1 dBFS: -110 dB, 0.00032 %
    • THD @ -3 dBFS: -116 dB, 0.00016 %
    • Channel separation: > 110 dB
    • Max Output Level DA: +19 dBu
    • Output: XLR balanced, 1/4" TRS unbalanced/balanced
    • Output impedance: XLR balanced 150 Ohm, TS unbalanced 100 Ohm
    • Output level switchable: +4 dBu, +13 dBu, +19 dBu @ 0 dBFS
  • DA – Phones, as DA, except:
    • Output: 6.3 mm stereo TRS, unbalanced
    • Output impedance: 0.1 Ohm
    • Output level at 0 dBFS, load 100 Ohm or up: +19 dBu (6.9 Vrms)
    • Max power 32 Ohm load: 0.7 W per channel (0.01% THD, +16 dBu, 4.9 Vrms)
    • THD 32 Ohm load @ +15 dBu: -110 dB, 0.0003 %
  • Mode ANA (Analog In to Analog Out):
    • Signal to Noise ratio (SNR) @ +19 dBu: 123 dB RMS unweighted, 126 dBA
    • Signal to Noise ratio (SNR) @ +13 dBu: 119 dB RMS unweighted, 122 dBA
    • Signal to Noise ratio (SNR) @ +4 dBu: 112 dB RMS unweighted, 115 dBA
    • Frequency response -0.5 dB: 1 Hz – 120 kHz
    • THD+N @ +19 dBu: -116 dB, 0.00016%
    • Channel separation: > 120 dB
    • Maximum input / output level: +22 dBu
• DIGITAL:
  
  • Clocks: Internal, ADAT In, SPDIF In
  • 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 with external clocking (SPDIF): 28 kHz up to 200 kHz
  • Supported sample rates with external clocking (ADAT): 40 kHz up to 49 kHz
  • Internal clocks: 32 kHz, 44.1 kHz, 48 kHz, 64 kHz, 88.2 kHz, 96 kHz, 176,8 kHz, 192 kHz
• Digital I/O:
  • Digital input coaxial ground-free transformer coupled
  • Formats: optical (TOSLINK), RCA (SPDIF, AES/EBU compatible)
  • Format Consumer SPDIF according to IEC 60958
  • Format Professional according to AES3-1992 Amendment 4
• SPDIF coaxial:
  • RCA, according to IEC 60958
  • High-sensitivity input stage RCA: < 0.2 Vpp input level
  • Output voltage RCA Consumer 0.7 V, Professional 1.4 V
  • Single Wire mode, sample rate 28 kHz up to 200 kHz
• SPDIF optical:
  • 1 x optical, according to IEC 60958
  • Sample rate 28 kHz up to 200 kHz
• ADAT
  • 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
• General:
  • Included power supply: external switching PSU, 100 - 240 V AC, 2 A, 24 Watts
  • Idle power consumption: 5,2 W (430 mA @ 12V)
  • Max. power consumption: 10 Watts (830 mA @ 12 V)
  • Dimensions (WxHxD): 215 x 44 x 130 mm (8.5" x 1.73" x 5.1")
  • Weight: 900 g ( 2.0 lbs)
  • Temperature range: +5° up to +50° Celsius (41° F up to 122°F)
  • Relative humidity: < 75%, non condensing