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FRONT PANEL
Instrument Inputs 2 x 6.3mm mono jack sockets, auto-select to analogue inputs 1 & 2 when plugged
Headphone Outputs 2 x 6.3mm stereo TRS Jacks, each with illuminated volume control
Master volume Assignable encoder / push switch with halo indication
Standby button with standby indicator (also flashes when unit is in 'identify' mode)
Indication:
Level Meters 10 x multi-segment bargraphs with overload indication, 8 for analogue, 2 for digital, assignable to inputs or outputs
Input selection Indicate mode of analogue inputs 1-4 as Mic / line / inst & plus phantom power indicator for mic mode
Overkiller For every analogue input, lit when Overkiller limiters are acting
Digital Input indicators for digital input unlocked and SRC (sample-rate converter) selected
Digital Output indicator for SRC (sample-rate converter) selected
Sync Master indicator, lit when interface is providing system sync
REAR PANEL
Mic / Line inputs 1-4 4 x combo connectors with XLR sockets for mic input and 6.3mm TRS jack sockets for line input (balanced or unbalanced)
Line inputs 5-8 4 x 6.3mm TRS jack sockets (balanced or unbalanced)
Line outputs 1-8 8 x 6.3mm TRS jack sockets (balanced or unbalanced)
Digital inputs 1 x RCA
1 x TOSLINK for S/PDIF or ADAT Optical input;
(RCA can operate as AES3 input using XLR-RCA adapter supplied)
Digital output 1 x RCA
1 x TOSLINK for S/PDIF or ADAT Optical output;
(RCA can operate as AES3 output using XLR-RCA adapter supplied)
MIDI I/O 2 x 5 Pin DIN sockets
(in and out)
Wordclock 2 x BNC sockets, output and input (75R)
FireWire ports 2 x FireWire IEEE1394A
(allowing cascading of multiple units)
Mains power 3-pin 6A IEC inlet
SOFTWARE SUPPORT
Mac OS Support OS X 10.4 or later, PPC or Intel platform
Windows OS Support Windows XP, Vista or later
Mac audio driver Core Audio device
Windows audio driver WDM and ASIO devices
Control Panel applet Graphical user interface for control of single or multiple Orpheus units under Mac OS X or Windows.
ANALOGUE LINE INPUTS
Configuration Electronically balanced, with fully-balanced analogue signal path
Input Sensitivity Switchable '+4dBu' (0dBFS = +18dBu) or '-10dBV' (0dBFS = +6dBu)
Input Impedance 14.5kR
Unbalanced Mode Automatic
Total harmonic distortion -117dB (0.00014%, -0.1dBFS)
THD+n -111dB (0.00028%, -0.1dBFS)
Dynamic Range 116dB (-60dBFS)
Gain Accuracy ±0.05dB
LF roll-off -0.05dB at 8Hz; -3dB at <1Hz
HF roll-off fs = 44.1kHz: -0.05dB at 21.1kHz; -3dB at 22.0kHz
fs = 48kHz: -0.05dB at 23.0kHz; -3dB at 23.9kHz
fs = 96kHz: -0.05dB at 32.0kHz; -3dB at 47.9kHz
fs = 192kHz: -0.05dB at 32.0kHz; -3dB at 78kHz
CMRR 20Hz..20kHz: >70dB
Inter-channel cross-talk 1kHz: <140dB; 20Hz..20kHz: <-120dB
Inter-channel phase 10Hz..5kHz: ±0.25°,
5kHz..20kHz: ±1.0°,
20kHz..50kHz: ±2.0°,
Overkiller Progessive limiter, auto-aligning, selectable per channel
Impact Filter High-pass filter, -3dB at 80Hz, 40dB/decade (selectable for channels 1-4; whether in line, mic or instrument mode)
RIAA de-emphasis filter Response accuracy:
±0.22dB at fs=44.1kHz;
±0.14dB at fs=48kHz;
±0.015dB at other sample rates
M-S matrix Allows direct connection of mid-side mics, or non-matrix mic-preamps (selectable for channels 1-4; whether in line or mic mode)
MICROPHONE PREAMPLIFIERS
Configuration Electronically balanced, with fully balanced analogue signal path
Gain 10dB to 65dB in 1dB steps (0dBFS = -56dBu to -1dBu)
Gain accuracy ±0.05dB
Input impedance 5.5kR
THD +10dB gain: -116dB at -0.1dBFS (0.00016%)
+40dB gain: -110dB at -0.1dBFS (0.00032%)
THD+n +10dB gain: -108dB at -0.1dBFS (0.00040%)
Equivalent input noise (EIN) +30dB gain: -128.5dBu (0R source); -126.3dBu (150R source)
+40dB gain: -130.9dBu (0R source); -127.6dBu (150R source)
+50dB gain: -131.2dBu (0R source); -127.7dBu (150R source)
+60dB gain: -131.4dBu (0R source); -127.8dBu (150R source)
LF roll-off -0.05dB at 20Hz, -3dB at 5Hz
HF roll-off As per analogue line input data (dependent on fs)
CMRR 50Hz/60Hz: >110dB at all gains
1kHz: >100dB at all gains
20kHz: >90dB at all gains
Phantom power +48V, switchable per channel
INSTRUMENT PREAMPLIFIERS
Configuration Unbalanced, high impedance buffer
Gain 10dB to 65dB in 1dB steps, 18dB pad (0dBFS = -38dBu to 17dBu)
Gain accuracy ±0.05dB
Input impedance 1MR
ANALOGUE OUTPUTS
Configuration Electronically balanced, with fully-balanced analogue signal path
Output amplitude Switchable '+4dBu' (0dBFS = +18dBu) or '-10dBV (0dBFS = +6dBu)
Output impedance 100R balanced, 50R unbalanced
Unbalanced mode Automatic, with bootstrapping level compensation
Total harmonic distortion -107dB (0.00045%, -1dBFS)
THD+n -106dB (0.00050%, -0.1dBFS)
Dynamic range 115dB (-60dBFS)
Gain accuracy ±0.05dB
LF roll-off -0.05dB at 8Hz, -3dB at <1Hz
HF roll-off fs = 44.1kHz: -0.05dB at 21.4kHz; -3dB at 22.0kHz
fs = 48kHz: -0.05dB at 23.2kHz; -3dB at 23.9kHz
fs = 96kHz: -0.05dB at 32.0kHz; -3dB at 47.8kHz
fs = 192kHz: -0.05dB at 32.0kHz; -3dB at 76kHz
Output balance >50dB
Inter-channel cross-talk 1kHz: <135dB; 20Hz..20kHz: <-120dB
Inter-channel phase 10Hz..5kHz: ±0.4°,
5kHz..20kHz: ±0.25°,
20kHz..50kHz: ±0.5°,
DIGITAL INPUTS
Formats supported S/PDIF (RCA or TOSLink), ADAT, ADAT S/MUX (TOSLink)
Sample rates supported S/PDIF (2 channel): 44.1, 48, 88.2, 96, 176.4 and 192kHz
ADAT (8 channel) 44.1 and 48kHz
ADAT S/MUX (4 channel): 88.2 and 96kHz
Channel Status ignored
Word-length 24 bit
AES3 operation via S/PDIF RCA, using RCA-XLR adaptor (supplied)
Sample-rate converter (SRC) Selectable at S/PDIF input; allowing input at any sample rate
Bit transparency Maintained (allows recording of Dolby or DTS streams)
DIGITAL OUTPUTS
Formats supported S/PDIF (RCA or TOSLink), ADAT, ADAT S/MUX (TOSLink)
Sample rates supported S/PDIF (2 channel): 44.1, 48, 88.2, 96, 176.4 and 192kHz
ADAT (8 channel) 44.1 and 48kHz
ADAT S/MUX (4 channel): 88.2 and 96kHz
Channel Status Full implementation, Consumer (S/PDIF) or professional (AES3)
Word-length 24 bit, or reduction to 16 bits using flat TPDF dither or Prism Sound SNS (Super Noise Shaping - four alternative shapes available)
AES3 operation via S/PDIF RCA, using RCA-XLR adaptor (supplied)
Sample-rate converter (SRC) Selectable at S/PDIF output; output rate can be referenced to Wordclock, DI or local clock at 44.1, 48, 88.2, 96, 176.4 or 192kHz
Bit transparency Maintained in 24 bit mode (allows playback of Dolby or DTS streams to external decoder)
SYNCHRONIZATION
System sample rates 44.1 / 48 / 88.2 / 96 / 176.4 / 192kHz
Sync sources:
Master local, Wordclock, DI (S/PDIF input) or ADAT
Slave FireWire bus master (another FireWire interface or Host computer)
Local clock accuracy ±10ppm
Jitter rejection >60dB / decade above 100Hz
Internal mixer delay
(total analogue in to out) fs = 44.1kHz: 0.56ms;
fs = 48kHz: 0.52ms;
fs = 88.2kHz: 0.2ms;
fs = 96kHz: 0.18ms;
fs = 176.4kHz: 0.09ms;
fs = 192kHz: 0.08ms;
PHYSICAL
Form factor 1u 19inch rack mountable
(rubber feet and rack ears supplied)
Dimensions Table top (inc feet):
W: 440mm D: 290mm H: 50mm
Rack-mount (inc ears):
W: 483mm D: 290mm H: 44.5mm
Power: 90-250VAC, 50/60Hz
internal power supply
IEC 6A connector
Power consumption 35W
Fuse rating 0.5A(T), 20mm, ceramic
Weight: 3.7kg
Operation ambient conditions 0 to 35°C, 85% maximum relative humidity
Except where otherwise stated, audio performance data are RMS, unweighted, 20Hz..20kHz figures, measured at 997Hz, using fs = 96kHz and '+4dBu' sensitivity settings.
In keeping with our policy of continual development, specifications are subject to amendment without notice. E&OE.
All Trade Marks Acknowledged.
Instrument Inputs 2 x 6.3mm mono jack sockets, auto-select to analogue inputs 1 & 2 when plugged
Headphone Outputs 2 x 6.3mm stereo TRS Jacks, each with illuminated volume control
Master volume Assignable encoder / push switch with halo indication
Standby button with standby indicator (also flashes when unit is in 'identify' mode)
Indication:
Level Meters 10 x multi-segment bargraphs with overload indication, 8 for analogue, 2 for digital, assignable to inputs or outputs
Input selection Indicate mode of analogue inputs 1-4 as Mic / line / inst & plus phantom power indicator for mic mode
Overkiller For every analogue input, lit when Overkiller limiters are acting
Digital Input indicators for digital input unlocked and SRC (sample-rate converter) selected
Digital Output indicator for SRC (sample-rate converter) selected
Sync Master indicator, lit when interface is providing system sync
REAR PANEL
Mic / Line inputs 1-4 4 x combo connectors with XLR sockets for mic input and 6.3mm TRS jack sockets for line input (balanced or unbalanced)
Line inputs 5-8 4 x 6.3mm TRS jack sockets (balanced or unbalanced)
Line outputs 1-8 8 x 6.3mm TRS jack sockets (balanced or unbalanced)
Digital inputs 1 x RCA
1 x TOSLINK for S/PDIF or ADAT Optical input;
(RCA can operate as AES3 input using XLR-RCA adapter supplied)
Digital output 1 x RCA
1 x TOSLINK for S/PDIF or ADAT Optical output;
(RCA can operate as AES3 output using XLR-RCA adapter supplied)
MIDI I/O 2 x 5 Pin DIN sockets
(in and out)
Wordclock 2 x BNC sockets, output and input (75R)
FireWire ports 2 x FireWire IEEE1394A
(allowing cascading of multiple units)
Mains power 3-pin 6A IEC inlet
SOFTWARE SUPPORT
Mac OS Support OS X 10.4 or later, PPC or Intel platform
Windows OS Support Windows XP, Vista or later
Mac audio driver Core Audio device
Windows audio driver WDM and ASIO devices
Control Panel applet Graphical user interface for control of single or multiple Orpheus units under Mac OS X or Windows.
ANALOGUE LINE INPUTS
Configuration Electronically balanced, with fully-balanced analogue signal path
Input Sensitivity Switchable '+4dBu' (0dBFS = +18dBu) or '-10dBV' (0dBFS = +6dBu)
Input Impedance 14.5kR
Unbalanced Mode Automatic
Total harmonic distortion -117dB (0.00014%, -0.1dBFS)
THD+n -111dB (0.00028%, -0.1dBFS)
Dynamic Range 116dB (-60dBFS)
Gain Accuracy ±0.05dB
LF roll-off -0.05dB at 8Hz; -3dB at <1Hz
HF roll-off fs = 44.1kHz: -0.05dB at 21.1kHz; -3dB at 22.0kHz
fs = 48kHz: -0.05dB at 23.0kHz; -3dB at 23.9kHz
fs = 96kHz: -0.05dB at 32.0kHz; -3dB at 47.9kHz
fs = 192kHz: -0.05dB at 32.0kHz; -3dB at 78kHz
CMRR 20Hz..20kHz: >70dB
Inter-channel cross-talk 1kHz: <140dB; 20Hz..20kHz: <-120dB
Inter-channel phase 10Hz..5kHz: ±0.25°,
5kHz..20kHz: ±1.0°,
20kHz..50kHz: ±2.0°,
Overkiller Progessive limiter, auto-aligning, selectable per channel
Impact Filter High-pass filter, -3dB at 80Hz, 40dB/decade (selectable for channels 1-4; whether in line, mic or instrument mode)
RIAA de-emphasis filter Response accuracy:
±0.22dB at fs=44.1kHz;
±0.14dB at fs=48kHz;
±0.015dB at other sample rates
M-S matrix Allows direct connection of mid-side mics, or non-matrix mic-preamps (selectable for channels 1-4; whether in line or mic mode)
MICROPHONE PREAMPLIFIERS
Configuration Electronically balanced, with fully balanced analogue signal path
Gain 10dB to 65dB in 1dB steps (0dBFS = -56dBu to -1dBu)
Gain accuracy ±0.05dB
Input impedance 5.5kR
THD +10dB gain: -116dB at -0.1dBFS (0.00016%)
+40dB gain: -110dB at -0.1dBFS (0.00032%)
THD+n +10dB gain: -108dB at -0.1dBFS (0.00040%)
Equivalent input noise (EIN) +30dB gain: -128.5dBu (0R source); -126.3dBu (150R source)
+40dB gain: -130.9dBu (0R source); -127.6dBu (150R source)
+50dB gain: -131.2dBu (0R source); -127.7dBu (150R source)
+60dB gain: -131.4dBu (0R source); -127.8dBu (150R source)
LF roll-off -0.05dB at 20Hz, -3dB at 5Hz
HF roll-off As per analogue line input data (dependent on fs)
CMRR 50Hz/60Hz: >110dB at all gains
1kHz: >100dB at all gains
20kHz: >90dB at all gains
Phantom power +48V, switchable per channel
INSTRUMENT PREAMPLIFIERS
Configuration Unbalanced, high impedance buffer
Gain 10dB to 65dB in 1dB steps, 18dB pad (0dBFS = -38dBu to 17dBu)
Gain accuracy ±0.05dB
Input impedance 1MR
ANALOGUE OUTPUTS
Configuration Electronically balanced, with fully-balanced analogue signal path
Output amplitude Switchable '+4dBu' (0dBFS = +18dBu) or '-10dBV (0dBFS = +6dBu)
Output impedance 100R balanced, 50R unbalanced
Unbalanced mode Automatic, with bootstrapping level compensation
Total harmonic distortion -107dB (0.00045%, -1dBFS)
THD+n -106dB (0.00050%, -0.1dBFS)
Dynamic range 115dB (-60dBFS)
Gain accuracy ±0.05dB
LF roll-off -0.05dB at 8Hz, -3dB at <1Hz
HF roll-off fs = 44.1kHz: -0.05dB at 21.4kHz; -3dB at 22.0kHz
fs = 48kHz: -0.05dB at 23.2kHz; -3dB at 23.9kHz
fs = 96kHz: -0.05dB at 32.0kHz; -3dB at 47.8kHz
fs = 192kHz: -0.05dB at 32.0kHz; -3dB at 76kHz
Output balance >50dB
Inter-channel cross-talk 1kHz: <135dB; 20Hz..20kHz: <-120dB
Inter-channel phase 10Hz..5kHz: ±0.4°,
5kHz..20kHz: ±0.25°,
20kHz..50kHz: ±0.5°,
DIGITAL INPUTS
Formats supported S/PDIF (RCA or TOSLink), ADAT, ADAT S/MUX (TOSLink)
Sample rates supported S/PDIF (2 channel): 44.1, 48, 88.2, 96, 176.4 and 192kHz
ADAT (8 channel) 44.1 and 48kHz
ADAT S/MUX (4 channel): 88.2 and 96kHz
Channel Status ignored
Word-length 24 bit
AES3 operation via S/PDIF RCA, using RCA-XLR adaptor (supplied)
Sample-rate converter (SRC) Selectable at S/PDIF input; allowing input at any sample rate
Bit transparency Maintained (allows recording of Dolby or DTS streams)
DIGITAL OUTPUTS
Formats supported S/PDIF (RCA or TOSLink), ADAT, ADAT S/MUX (TOSLink)
Sample rates supported S/PDIF (2 channel): 44.1, 48, 88.2, 96, 176.4 and 192kHz
ADAT (8 channel) 44.1 and 48kHz
ADAT S/MUX (4 channel): 88.2 and 96kHz
Channel Status Full implementation, Consumer (S/PDIF) or professional (AES3)
Word-length 24 bit, or reduction to 16 bits using flat TPDF dither or Prism Sound SNS (Super Noise Shaping - four alternative shapes available)
AES3 operation via S/PDIF RCA, using RCA-XLR adaptor (supplied)
Sample-rate converter (SRC) Selectable at S/PDIF output; output rate can be referenced to Wordclock, DI or local clock at 44.1, 48, 88.2, 96, 176.4 or 192kHz
Bit transparency Maintained in 24 bit mode (allows playback of Dolby or DTS streams to external decoder)
SYNCHRONIZATION
System sample rates 44.1 / 48 / 88.2 / 96 / 176.4 / 192kHz
Sync sources:
Master local, Wordclock, DI (S/PDIF input) or ADAT
Slave FireWire bus master (another FireWire interface or Host computer)
Local clock accuracy ±10ppm
Jitter rejection >60dB / decade above 100Hz
Internal mixer delay
(total analogue in to out) fs = 44.1kHz: 0.56ms;
fs = 48kHz: 0.52ms;
fs = 88.2kHz: 0.2ms;
fs = 96kHz: 0.18ms;
fs = 176.4kHz: 0.09ms;
fs = 192kHz: 0.08ms;
PHYSICAL
Form factor 1u 19inch rack mountable
(rubber feet and rack ears supplied)
Dimensions Table top (inc feet):
W: 440mm D: 290mm H: 50mm
Rack-mount (inc ears):
W: 483mm D: 290mm H: 44.5mm
Power: 90-250VAC, 50/60Hz
internal power supply
IEC 6A connector
Power consumption 35W
Fuse rating 0.5A(T), 20mm, ceramic
Weight: 3.7kg
Operation ambient conditions 0 to 35°C, 85% maximum relative humidity
Except where otherwise stated, audio performance data are RMS, unweighted, 20Hz..20kHz figures, measured at 997Hz, using fs = 96kHz and '+4dBu' sensitivity settings.
In keeping with our policy of continual development, specifications are subject to amendment without notice. E&OE.
All Trade Marks Acknowledged.
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