User Manual for RME ADI-2 Pro FS Reference AD DA Converter with Extreme Power Headphone Amplifiers Click to enlarge the picture
Contents of the user manual for the RME ADI-2 Pro FS Reference AD
- Product category: AD/DA Converters RME
- Brand: RME
- Description and content of package
- Technical information and basic settings
- Frequently asked questions – FAQ
- Troubleshooting (does not switch on, does not respond, error message, what do I do if...)
- Authorized service for RME AD/DA Converters
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User manual for the RME ADI-2 Pro FS Reference AD contain basic instructions
that need to be followed during installation and operation.
Before starting your appliance, the user manual should be read through carefully.
Follow all the safety instructions and warnings, and be guided by the given recommendations.
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Following the instructions for use is an essential prerequisite for protecting
health and property during use, as well as recognition of liability on the part of the manufacturer
for possible defects should you make a warranty claim. Download an official RME user manual in which you will find instructions on how to install, use, maintain and service your product.
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Product description The RME ADI-2 Pro FS is a versatile reference-class AD/DA converter that can be used as a USB audio interface, a USB DAC with Extreme Power headphone amplifiers, or as a format converter with digital monitoring. Housed in a compact, half-rack enclosure, it delivers pristine 32-bit / 768 kHz audio quality to audio engineers and audiophiles alike, for studio, home, and mobile applications, ranging from analog/digital recording, PCM/DSD recording and playback, precise audio measurements, or use as a high-fidelity front-end and headphone amp for iPhone/iPad or other mobile devices.The ADI-2 Pro FS is equipped with six input sources and eight output paths, for simultaneous 2-channel analog-to-digital input conversion and 4-channel digital-to-analog output conversion. The I/O options include two servo-balanced analog line inputs, two separate balanced and unbalanced analog outputs, one optical S/PDIF I/O which also supports two channels of ADAT operation, and, via the included digital breakout cable, one coaxial S/PDIF I/O and one AES/EBU I/O.The unit supports all sample rates between 32 kHz and 768 kHz and delivers a flat frequency response with an impressive 124 dBA signal-to-noise ratio. The company's SteadyClock with femtosecond clock technology efficiently suppresses jitter in all clock modes, ensuring that the AD/DA conversion's sonic quality remains consistent, independently from the quality of the incoming clock signal.The two Extreme Power headphone outputs provide high-end monitoring options optimized for low- and high-impedance headphones. They feature an Advanced Balanced mode which delivers a balanced signal path from the DAC straight to the phone with optimized frequency response and a maximum output level of +28 dBu. A powerful DSP adds all kinds of useful audio processing, including 5-band parametric EQ, fast bass/treble adjustment, crossfeed, and a sophisticated loudness function.The ADI-2 Pro FS features a high-resolution ISP LCD panel, which eases operation and displays signal metering of all I/Os, current digital states of S/PDIF, AES, USB, a 30-band analyzer, and more. The display features an AutoDark mode that automatically turns off all LEDs and the display after ten seconds of user inactivity. The unit can be used as a standalone and operated with three push-button encoders and four buttons to access dedicated menus. - Key Features
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- High-fidelity reference-class 32-bit / 768 kHz AD/DA converter
- High-resolution PCM/DSD recording and playback
- Two Extreme Power headphone amplifiers for audiophile-quality monitoring
- USB 2.0 port, fully class-compliant (UAC 2)
- Multi-format converter (AES, S/PDIF, ADAT) with monitoring function solves any clocking problems between formats
- Low Latency—AD/AD converters with low-latency filters offer super-fast conversion
- Versatile iPhone/iPad DAC
- High-end AD/DA frontend for audio measurements
- High-resolution display for graphic operation—with Peak Level meters, 30-band analyzer, State Overview screen for listing current states of SPDIF, AES, USB and clock
- AutoDark mode automatically turns off all LEDs and the display after ten seconds of user inactivity
- Standalone mode
- Compact and lightweight design allows for mobile use
- External, switched power supply with lockable connector included—unit can easily be powered from a battery (available separately)
- DIGICheck utility software included – with Stereo and Multichannel level meters, Analyzer, Bit Statistics & Noise, ITU1770 meter, Goniometer, Surround level meter, Totalyzer
- Compatible with Windows, Mac OS X, iOS, and any device that supports class-compliant USB audio
- Uses RME's MADIface series driver with Windows, for full WDM and ASIO compatibility, and highest performance
- High-Resolution Audio
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- 2-channels A/D converter, 4-channels D/A converter
- 32-bit / 768 kHz digital audio
- Supports all sample rates between 32 kHz and 768 kHz
- 124 dBA signal-to-noise ratio
- SteadyClock with femtosecond clock technology ensures perfect jitter reduction and stable clocking with internal or external clock signal
- Digital signal processing with 5-band parametric EQ, fast bass/treble adjustment, binaural crossfeed, spectral analysis, and loudness sound control
- Extreme Power Headphone Amplifiers
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- Two independent Extreme Power driver circuits with two stereo D/A converters – optimized for both high- and low-impedance headphones
- 120 dBA SNR—no audible hum, noise, or distortion, fully transparent, crystal-clear sound at any volume setting
- 5-band Parametric EQ—lets you adjust the headphone sound to match your hearing curve, or compensate for differences between left/right ear
- Bass/Treble – to adjust sound to your personal taste
- Loudness—lets you choose how much maximum gain for bass and treble should occur at lower volume settings
- Advanced Balanced mode delivers balanced signal path from the DAC straight to the phone, with optimized frequency response, super-low output impedance (0.2 Ohms), and a maximum output level of +28 dBu
- Connectivity
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- Two servo-balanced analog inputs on combo XLR / TRS jacks
- Two separate, balanced and unbalanced analog outputs on XLR and TS jacks
- Two stereo Extreme Power headphone outputs on the front
- One optical S/PDIF I/O, also supports 2 channels of ADAT operation
- One coaxial S/PDIF I/O (RCA) and one AES/EBU I/O (XLR) via included digital breakout cable (9-pin D-sub to 2 x XLR and 2 x RCA)
- Modes
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- The unit will turn into different operating modes depending on the connected cables
- Preamp Mode / analog in to analog out—this mode is active when no digital input signal and no USB is detected
- AD/DA Converter Mode (analog in to all digital outs, digital in to all analog outs)—this mode becomes active as soon as a digital signal is sensed by the unit
- USB or Interface Mode (USB is detected and all inputs are routed to USB, all outputs are fed from USB)—provides 6 channels (Analog 1/2, AES, S/PDIF) of recording, 8 channels (Analog 1/2/3/4, AES, S/PDIF) of playback, and works as iPad front-end at up to 192 kHz sample rate
In the Box RME ADI-2 Pro FS Reference AD/DA Converter with Extreme Power Headphone Amplifiers External Power Supply Power Cord Digital Breakout Cable AES / S/PDIF (BO968) Limited 2-Year Warranty Table of Contents
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Technical parametersRME ADI-2 PRO FS Specs | | | XLR Audio Inputs | Input: XLR, servo-balanced
Input Impedance: 18 kOhms (balanced), 9 kOhms (unbalanced)
Input Sensitivity: +24 dBu, +19 dBu, +13 dBu, +4 dBu at 0 dBFS (switchable)
Digital Trim Gain Range: 0 to +6 dB
Signal to Noise Ratio (SNR) at +13 / 19 / 24 dBu: 120.x dB RMS unweighted, 124.x dBA
Signal to Noise Ratio (SNR) at +4 dBu: 119 dB RMS unweighted, 123 dBA
Frequency Response at 44.1 kHz, -0.1 dB: 5 Hz to 20.5 kHz
Frequency Response at 96 kHz, -0.5 dB: 3 Hz to 45.5 kHz
Frequency Response at 192 kHz, -1 dB: 2 Hz to 92.7 kHz
Frequency Response at 384 kHz, -1 dB: <1 Hz to 124 kHz
Frequency Response at 768 kHz, -3 dB: <1 Hz to 180 kHz
THD at -1 dBFS: -113 dB, 0.00029 %
THD+N at -1 dBFS: -112 dB, 0.00025 %
Channel Separation: >110 dB | | TRS Audio Input | Same as XLR inputs but:
Input: 1/4" / 6.3 mm TRS jack, servo-balanced | | | | XLR Audio Outputs | Output Level: +24 dBu, +19 dBu, +13 dBu, +4 dBu at 0 dBFS (switchable)
Signal to Noise Ratio (SNR) at +13 / 19 / 24 dBu: 117 dB RMS unweighted, 120 dBA
Signal to Noise Ratio (SNR) at +4 dBu: 115 dB RMS unweighted, 118 dBA
Frequency Response at 44.1 kHz, -0.1 dB: 0 Hz to 20.2 kHz
Frequency Response at 96 kHz, -0.5 dB: 0 Hz to 44.9 kHz
Frequency Response at 192 kHz, -1 dB: 0 Hz to 88 kHz
Frequency Response at 384 kHz, -1 dB: 0 Hz to 115 kHz
Frequency Response at 768 kHz, -1 dB: 0 Hz to 109 kHz
THD at -1 dBFS: -110 dB, 0.00025 %
THD+N at -1 dBFS: -110 dB, 0.00032 %
THD at -3 dBFS: -116 dB, 0.00016 %
Channel Separation: >110 dB
Output Impedance: 200 Ohms (balanced), 100 Ohms (unbalanced) | | 1/2 TS Audio Outputs (Rear) | Same as XLR output, but with the following differences:Output: 1/4" / 6.3 mm TS jack, unbalanced
Maximum Output Level: +19 dBu
Signal to Noise Ratio (SNR) at +19 dBu: 117 dB RMS unweighted, 120 dBA
Signal to Noise Ratio (SNR) at +13 dBu: 116 dB RMS unweighted, 119 dBA
Signal to Noise Ratio (SNR) at +4 dBu: 113 dB RMS unweighted, 117 dBA
Output Impedance: 100 Ohms | | Phones 1/2 | Same as 1/2 TS output, but with the following differences:
Output: 1/4" / 6.3 mm TRS jack, unbalanced, stereo
Output Impedance: 0.1 Ohm
Signal to Noise Ratio (SNR) at +22 dBu: 117 dB RMS unweighted, 120 dBA
Signal to Noise Ratio (SNR) at +7 dBu: 114 dB RMS unweighted, 118 dBA
Output Level at 0 dBFS, Ref Level +19 dBu, Load 100 Ohms or Up: +22 dBu (10 V)
Output Level at 0 dBFS, Ref Level +4 dBu, Load 8 Ohms or Up: +7 dBu (1.73 V)
THD at +18 dBu, 32 Ohms Load, 1.2 W: -110 dB, 0.0003 %
THD+N at + 18 dBu, 32 Ohms Load: -107 dB, 0.00045 %
THD at +14 dBu, 16 Ohms load, 0.94 W: -110 dB, 0.0003 %
Maximum Power at 0.001% THD: 1.5 W per channel | | Phones 3/4 | Same as Phones 1/2 output, but with the following differences:
Output Levels at 0 dBFS: +7 dBu (Hi-Power off), +22 dBu (Hi-Power on) | | Balanced Phones Mode | Same as Phones output, but with the following differences:
Output levels at 0 dBFS: +13 dBu, 9.8 V (Hi-Power off), +28 dBu, 19.5 V (Hi-Power on)
Output Impedance: 0.2 Ohm
Signal to Noise Ratio (SNR) at +28 dBu: 120 dB RMS unweighted, 123 dBA
Signal to Noise Ratio (SNR) at +13 dBu: 118 dB RMS unweighted, 121 dBA
Output Level at 0 dBFS, Hi-Power On, Load 150 Ohms or Up: +28 dBu, 19.5 V
Output Level at 0 dBFS, Hi-Power Off, Load 8 Ohms or Up: +13 dBu, 9.8 V
Maximum Power at 0.001% THD: 2.9 W per channel | | | | General | Lock Range: 28 to 200 kHz
Jitter Suppression: >50 dB (2.4 kHz)
Accepts consumer and professional format | | AES/EBU | 1 x XLR, transformer-balanced, galvanically isolated, according to AES3-1992
Input Sensitivity: 1.0 V-pp | | S/PDIF Coaxial | 1 x RCA, transformer-balanced, according to IEC 60958
High-sensitivity input stage (<0.3 V p-p)
AES/EBU compatible (AES3-1992) | | S/PDIF Optical | 1 x optical, according to IEC 60958
ADAT-compatible | | | | AES/EBU | 1 x XLR, transformer-balanced, galvanically isolated, according to AES3-1992
Output Level: 2.7 V p-p
Format Professional according to AES3-1992 Amendment 4
Single Wire mode, sample rate 28 to 200 kHz | | S/PDIF Coaxial | 1 x RCA, according to IEC 60958
Output Level: 0.75 V p-p
Format Consumer S/PDIF according to IEC 60958
Single Wire mode, sample rate 28 to 200 kHz | | S/PDIF Optical | 1 x optical, according to IEC 60958
Format Consumer (S/PDIF) according to IEC 60958
Sample Rate: 28 to 200 kHz | | | | Clocking | Clocks: Internal, AES in, S/PDIF in, ADAT in
Jitter Suppression of External Clocks: >50 dB (2.4 kHz)
Effective Clock Jitter Influence on AD/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 to 200 kHz
Internally Supported Sample Rates: 44.1 to 768 kHz | | | | System Requirements | Compatible with any device that supports class-compliant USB audio, including Android
Mac: OS X 10.6 or later (Intel)
Windows: 7 or later1 x USB 2.0 or USB 3.0 port
Miniumum CPU: Intel Core i3 CPU or faster
iOS:
iPad: iOS 5 or later
iPhone: iOS 7 or later
Apple iPad Camera Connection Kit or Lightning to USB adapter | | Power | Included Power Supply: External switching PSU, 100-240 VAC, 12 VDC, 2 A, 24 W
Standby Power Consumption: 50 mW
Idle Power Consumption: 10 W
Maximum Power Consumption: 22 W
Idle Current at 12 V: 850 mA (10 W) | | Environment | Temperature Range: 41 to 122° F / 5 to 50° C
Relative Humidity: <75%, non-condensing | | Dimensions (W x H x D) | 8.5 x 1.73 x 5.1" / 215 x 44 x 130 mm | | Weight | 2.2 lb / 1.0 kg | | | | Package Weight | 4.65 lb | | Box Dimensions (LxWxH) | 13.6 x 8.6 x 3.3" |
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