|
 |
|
|
 |
|
|
2192 Master Audio Interface
|
|
|
|
Features
|
- Ultra-low noise 44.1kHz – 192kHz A/D and D/A converters
- Low jitter internal clock source provides 44.1, 48, 88.2, 96, 176.4 and 192kHz sampling rates
- DC-coupled, fully dual-differential, matched-FET, all discrete Class-A, no-compromises analog signal path
|
- No capacitors in the signal path to degrade sound quality or introduce phase distortion
- 2 channel ADAT S-MUX I/O for 44.1 to 48kHz transmission of 44.1 to 192kHz audio
- 2 Channel transformer coupled AES/EBU I/O (44.1kHz – 192kHz)
|
- Support for single and dual wire AES/EBU at 96 and 192kHz rates
- 2 Channel transformer coupled S/PDIF I/O (44.1kHz – 192kHz)
- Realtime transcoding between digital formats
|
- Independent digital and analog output routing
- 4 parallel 75 ohm BNC Word Clock outputs for jitter-free and reflection-free clock distribution
- 2 separate 75 ohm BNC Word Clock inputs capable of synchronizing to 1x house clocks while running at higher 2x and 4x sample rates
|
- Front panel Sync-Lock indicator
- Sturdy front panel rotary switches provide Clock, Sample Rate, Analog Output and Digital Output source selection
- Full 24-bit digital signal path throughout
|
- No digital processing of the audio signal
- Multi-segment LED bargraph metering on all analog inputs and outputs, with timed peak-hold digital overload (input) and digital peak (output) indicators
- Internal universal auto-sensing, filtered, multi-stage regulated power supply supports 100-240VAC and 50-60Hz power for trouble-free operation world-wide
- Rugged 1U rack mount steel chassis
|
|
|
|
|
|
|
Technical Specifications
|
|
Analog
|
- Inputs:
- 2x balanced XLR female connectors
- DC coupled, dual-differential
- Common-mode rejection ratio (CMRR): >90dB
- Impedance: ~1.5k ohms
- Maximum input level: +31dBu
- Outputs:
- 2x balanced XLR male connectors
- DC coupled, dual-differential
- Impedance: ~95ohms
- Maximum output level: +23dBu
- Frequency Response (analog input to ADC to DAC to analog output, referenced to 1kHz, Fs = 192kHz):
- +- 0.1dB, 10Hz to 40kHz, -1dB at 74kHz
- Analog Level Trim:
- ADC input (Lo-Z source):
- Max input for 0dBFS: +30dBu
- Min input for 0dBFS: +5.5dBu (3dBV)
- DAC output (Hi-Z load):
- Max output at 0dBFS: +23dBu
- Min output at 0dBFS: +4dBu (+1.8dBV)
- Factory trim:
- Headroom: +18dB
- Reference level: +4dBu = -18dBFS
- Max input/output at 0dBFS: +22dBu
- Trim accessed via 15-turn, rear-panel mounted potentiometer
|
|
Conversion
|
- A/D:
- Dynamic range (measured using -38dBu = -60dBFS input at 1kHz
- 118dB (A-weighted), 115dB (unweighted)
- Frequency response (relative to 1kHz):
- +- 0.02dB, 10Hz to 20kHz @ Fs = 44.1kHz
- +- 0.04dB, 10Hz to 40kHz @ Fs = 96kHz
- Phase response:
- <0.1 degrees, 10Hz to 1kHz
- -1.0 degrees at 20kHz
- Residual noise (200Hz-20kHz):
- THD+N (measured at 1kHz):
- -110dB, with +4dBu input
- -114dB, with -10dBu input
- D/A:
- Dynamic range (measured with -60dBFS = -38dBu output at 1kHz
- 122dB (A-weighted), 119dB (unweighted)
- Frequency response (relative to 1kHz):
- +- 0.03dB, 10Hz to 20kHz @ Fs = 44.1kHz
- +- 0.04dB, 10Hz to 20kHz @ Fs = 96kHz
- Phase response:
- <0.5 degrees, 10Hz to 1kHz
- -10 degrees at 20kHz
- Residual noise (200Hz-20kHz):
- THD+N (measured at 1kHz):
- -98dB, with +4dBu output
- -103dB, with -10dBu output
|
|
|
- Sample Rate (internal):
- 44.1, 48, 88.2, 96, 176.4, 192 kHz
- Sample rate (external):
- +- 12.5% vari-speed lock at all rates
- 4x BNC Clock Outputs:
- 2x BNC Clock Inputs:
- 75 ohm internal termination
- AC coupled
- 1.2V(p-p) minimum
- 5V(p-p) maximum, 50mA maximum over-voltage current (20 ohms/volt)
- BNC Clock In to Clock Out Delay:
- 50ns maximum
- Negative edge aligned when synchronized at multiple or submultiple rate
|
|
Digital
|
- 2-Channel S/PDIF:
- Dual stacked RCA
- Unbalanced, transformer driven output
- AC coupled input
- 2-Channel AES/EBU:
- Transformer isolated, balanced XLR (x4)
- Single wire and dual-wire modes (for sample rates above 48kHz)
- AES/SPDIF input bits:
- SCMS: Ignored
- Preempahsis: Ignored
- Professional/consumer: Ignored
- AES/SPDIF output bits:
- SCMS: Not set
- Preempahsis: Not Set
- Professional/consumer: Set to Professional
- 2-Channel ADAT Optical:
- Dual in-line optical TX/RX (reinforced)
|
|
Physical
|
- Physical dimensions:
- 1RU standard 19” rack-mount chassis
- 11.5” depth behind front panel
- 1” front panel clearance
- 17” chassis width
- Total dimension: 1.75” H, 19” W, 12.5” D
- Thermal:
- 0 degrees C to 50 degrees C
- AC Line:
- IEC 3-pin power (safety ground ties to chassis at entry point)
- 100-240VAC, 50-60Hz, auto-sensing
- 40 Watts
|
|
|
