RME ADI-2 FS AD/DA Converter

RME packed this 2-channel 44.1-192 kHz converter with ultra-stable SteadyClock FS femtosecond clocking, a headphone output, and tons of connectivity options.

The RME ADI-2 FS is a universal tool and a flexible problem solver, with 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 for D-D and A-A. Its pro-class sound qualifies it also as extension for other premium converters.

The RME 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 read more 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 make it easy to operate the unit right out of the box.
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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

- 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
Dimensions and Weight in Packaging
Base Item
Shipping Weight: 3.5 lbs
Shipping Dimensions: 14 x 8 x 4 in
Manufacturer Part Number (MPN): ADI-2 FS

For support or warranty questions, please contact the manufacturer:
Phone: 330-259-0308

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