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User's Guide ADI-2 The Analog Tool with Digital Spice SyncAlign SyncCheck Intelligent Clock Control SteadyClock Hi-Precision 24 Bit / 192 kHz 2-Channel AD / DA-Converter AES / SPDIF / ADAT Interface High Power² Headphone Output Advanced Feature Set AES/EBU 192 kHz / 24 Bit Interface...
3. Brief Description and Characteristics The ADI-2 FS is a 2-channel analog to digital and digital to analog converter in a half-rack (9.5") enclosure of 1 U height. Latest 24 bit / 192 kHz converters offer 120 dBA dynamic range. This value is not only printed in the brochure –...
4. Power Supply In order to make operating the ADI-2 FS as flexible as possible, the unit has a universal DC input socket, accepting voltages from 6 Volts* up to 15 Volts. An internal switching regulator of the latest technology with high efficiency (>...
–3 LEDs light up. The analog line inputs of the ADI-2 FS can be used with signals from +4 dBu up to +19 dBu. The electronic input stage is built in a servo-balanced design which handles monaural and stereo jacks correctly.
6.1 Line In XLR / TRS The ADI-2 FS has two analog line inputs that can operate with levels up to +19 dBu. The elec- tronic input stage uses a servo balanced design which handles unbalanced (TS jacks) and bal- anced signals (TRS / XLR) correctly, automatically adjusting the level reference.
6.3 Line Out TRS The ADI-2 FS has two unbalanced analog outputs that provide levels up to +19 dBu. The short circuit protected, low impedance line outputs are available as 1/4" TRS jacks on the back of the unit. Contact R (ring) is connected to ground by a 100 Ohm resistor, which also allows the use of virtual balanced connections.
The digital input format is detected automatically. Be it AES, SPDIF or ADAT, further settings at the ADI-2 FS are not required. In case of ADAT optical only channels 1 and 2 are processed, channels 3 to 8 are ignored.
1 of the XLR - not to the phono plug. The ADAT optical output of the ADI-2 FS is fully compatible to all ADAT optical inputs. A usual TOSLINK cable is sufficient for connection.
The key DIG IN determines both the digital input being used for the DA-converter (coaxial or optical) and the external clock source, in case CLOCK – DIG IN has been selected. The lock state of the ADI-2 FS is indicated by a blinking (error) or constantly lit (Ok) DIG IN LED (COAX, OPT).
ADI-2 FS a cornucopia of possible uses. For example, if ANALOG INPUT - LEVEL is set to +4 dBu and ANALOG OUTPUT - LEVEL is set to +19 dBu, the ADI-2 FS ampli- fies the analog input signal by 15 dB. At the same time, it sends it out electronically separated to three different outputs.
11. Technical Background 11.1 Noise level in DS / QS Mode The outstanding signal to noise ratio of the ADI-2 FS can be verified even without expensive test equipment, by using the record level meters of various software. When activating the DS and QS mode, the displayed noise level will rise from -117 dB to -110 dB at 96 kHz, and –89 dB...
12. Controls and Connectors Front The front of the ADI-2 FS has 5 buttons, a volume potentiometer, a headphone output via ste- reo TRS jack and 31 LEDs. Rear The rear panel of the ADI-2 FS features 2 servo-balanced analog inputs via XLR/jack combo jacks, 2 TS jacks as unbalanced outputs, 2 XLR jacks as balanced outputs, SPDIF I/O via TOSLINK optical and RCA coaxial, and a lockable power supply jack.
Cinch). The adapters are plugged into the rear inputs and outputs - done. Now the existing RCA cables can be used with the ADI-2 FS. Cables with mono 6.35 mm on one side and RCA on the other also exist, and work perfectly.
Audio AG does not accept claims for damages of any kind, especially consequential damage. Liability is limited to the value of the ADI-2 FS. The general terms of business drawn up by Au- dio AG apply at all times.
Synthax United States, 6600 NW 16th Street, Suite 10, Ft Lauderdale, FL 33313 T.:754.206.4220 Trade Name: RME, Model Number: ADI-2 FS This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules.