Prism Sound Orpheus

mint condition, single owner, smoke-free environment, purchased in 2012. owner's manual, disk, original packaging. 


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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 Windows 7 (32 or 64 bit) - 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: 14.5kΩ - 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: 5.5kΩ
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 (0Ω source); -126.3dBu (150Ω source) - +40dB gain: -130.9dBu (0Ω source); -127.6dBu (150Ω source) - +50dB gain: -131.2dBu (0Ω source); -127.7dBu (150Ω source) - +60dB gain: -131.4dBu (0Ω source); -127.8dBu (150Ω 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: 1MΩ
Analogue Outputs
- Configuration: Electronically balanced, with fully-balanced analogue signal path - Output amplitude: Switchable '+4dBu' (0dBFS = +18dBu) or '-10dBV (0dBFS = +6dBu) - Output impedance: 100Ω balanced, 50Ω 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: ±20ppm - 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 - EC 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
Supplied Accessories
- Printed manual: x 1 - Software CD: x 1