Prism Sound - ADA-8XR-PTHD

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· musiXboy 添加于 2010 年 06 月 24 日 · 共有 4 条评论

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Prism Sound - ADA-8XR-PTHD · 价格 未知
最后更新 2010 年 06 月 24 日
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 八通道模拟输入,八通道模拟输出。PTHD接口数字八进八出版本。

PHYSICAL
Dimensions W: 483mm D: 390mm H: 88mm
Power: 90-125/180-250VAC, 50/60Hz, 60W
Module slots: 2 x Analogue I/O module slots
2 x Digital I/O module slots
Utility slot (monitor, sync,RS232/485/MIDI)
1 x internal DSP expansion slot

MONITOR
Two-channel, analogue and digital outputs.
ANALOGUE OUTPUTS
Format Electronically balanced, RCA/phono sockets
Output impedance 50 Ohm
Headroom 0dBFS=+15,+18,+21, or +24dBu
Absolute gain accuracy +/-0.05dB
THD+N (997Hz, -1dBFS) -101dB (0.0009%)
Dynamic range (997Hz, -60dBFS) 105dB
Channel separation 1kHz >120dB
HEADPHONE OUTPUT
Format 6.3mm stereo jack
Output impedance 115 Ohm
Max Sensitivity 4.7Vp-p
DIGITAL OUTPUT
AES3-ID / S/PDIF, 24bits

METERS
8-ch bargraph with peak hold; 2-channel readout; Assignable ‘Alert’ function
Overload indicator threshold 1 sample full scale or -0.05dBFS

DSP
‘ENCODE’ FOR DIGITAL OUTPUTS
Prism Sound Super Noise Shaping (SNS) TPDF dither, plus 4 curve shapes
Intelligent ‘auto-dither-defeat’ system
Prism Sound ‘MR-X’ bit-mapping 20-bit/24-bit/hi-rate on 16-bit tracks
24-bit/hi-rate on 20-bit tracks
Prism Sound ‘DRE’ 20-bit dynamic range on 16-bit tracks
24-bit dynamic range on 20-bit tracks
- without loss of tracks
‘DECODE’ FOR DIGITAL INPUTS
Prism Sound ‘MR-X’ bit-mapping as above

SYNCHRONIZATION
Multi-stage, auto-ranging PLL per Path
Ultra-high-precision mode (+/- 0.15%)
Jitter rejection corner frequency ~80Hz
Jitter rejection slope 60dB / decade
Jitter attenuation >60dB above 700Hz
High-precision mode (+/- 6.0%)
Internal 32, 44.1, 48, 88.2, 96, 176.4, 192 kHz +/-25ppm
Each path can be separately synchronized. Path sampling rate can be frequency-locked to a different reference frequency, for example: 96kHz path locked to 48kHz Worldclock.

8C-AD 8-channel A/D converter
Connections Electronically balanced inputs, female XLRs
Differential input impedance 21k5 Ohm
Full-scale input range (software-controlled) +5dBu..+24dBu in 1dBu steps,
trims in 0.05dBu steps
Absolute gain accuracy +/-0.05dB
CMRR 60Hz:<-100dB, 1kHz:<-90dB,
20Hz..20kHz:<-65dB
Overkiller Software selectable On/Off
THD+N (997Hz, -1dBFS) -105dB (0.0006%)
Dynamic range (997Hz, -60dBFS) 112dB
IMD (SMPTE/DIN, 60Hz@-3dBFS & 7kHz@-12dBFS) <-100dB
Maximum aharmonic spurium (997Hz @ -1dBFS) <-130dBFS
Frequency response fs=192kHz -0.05dB: 6.2Hz..50.2kHz;
-3dB: <1Hz..77.7kHz
Frequency response fs=96kHz -0.05dB: 6.1Hz..43.3kHz;
-3dB: <1Hz..48kHz
Frequency response fs=48kHz -0.05dB: 5.5Hz..22.8kHz;
-3dB: <1Hz..24.0kHz
Frequency response fs=44.1kHz -0.05dB: 5.0Hz..20.1kHz;
-3dB: <1Hz..22.0kHz
Passband ripple: 96kHz <0.015dB; 48kHz: <0.015dB
Inter-channel phase difference <0.03 degrees
Channel separation: 1kHz >125dB,
20Hz..20kHz: >117dB
Group delay (input to AES3 output) 20/fs

8C-DA 8-channel D/A converter
Connections Electronically balanced outputs, male XLRs
Differential output impedance 50 Ohm
Full-scale output range (software-controlled) +5dBu..+24dBu in 1dBu steps,
trims in 0.05dBu steps
Absolute gain accuracy +/-0.05dB
Output balance 54dB
THD+N: (997Hz, -1dBFS) -102dB (0.0007%) typical
Dynamic range: (997Hz, -60dBFS) 108dB
IMD (SMPTE/DIN, 60Hz@-3dBFS & 7kHz@-12dBFS) <-94dB
Maximum aharmonic spurium (997Hz @ -1dBFS) <-130dBFS
Frequency response: fs=192kHz -0.05dB: 5.2Hz..37.2kHz;
-3dB: 1.4Hz..74.4kHz
Frequency response: fs=96kHz -0.05dB: 5.1Hz..38.9kHz;
-3dB: 1.4Hz..47.4kHz
Frequency response: fs=48kHz -0.05dB: 5.1Hz..22.6kHz;
-3dB: 1.4Hz..23.9kHz
Frequency response: fs=44.1kHz -0.05dB: 5Hz..20.8kHz;
-3dB: 1.4Hz..22.0kHz
Passband ripple <0.005dB
Inter-channel phase difference <0.02 degrees
Channel separation 1kHz: >115dB;
20Hz..20kHz: >110dB
Group delay (AES3 to output) 49.5/fs

DIGITAL MODULE SPECIFICATIONS

DSD I/O MODULE
Unless otherwise stated, all performance specifications are quoted RMS, A-weighted, bandlimited 20Hz-20kHz, with PCM sampling at 96kHz and wordlength 24 bits, and with DSD lineup normal. Note that quotation of performance using A-weighting filters is not generally the policy of Prism Sound; however, the noise-shaped nature of DSD signals means that A-weighted measurements are more representative of subjective performance than are unweighted measurements.
PCM to DSD Performance
Maximum output level 0dB SACD (Normal) / +3.1dB SACD (Hot)
Absolute gain accuracy +0.05dB
THD+N (997Hz, -1dBFS) -118dB (0.00013%)
Dynamic range (997Hz, -60dBFS) 120dB
Frequency response: fs=96kHz -3dB: 0Hz…43.5kHz
Frequency response: fs=88.2kHz -3dB: 0Hz…40kHz
Frequency response: fs=48kHz -1dB: 0Hz…22kHz
Frequency response: fs=44.1kHz -0.05dB: 0Hz…20kHz
Frequency response: fs=32kHz -0.05dB: 0Hz…14.5kHz
Analogue to DSD Performance
As the Analogue Line Input Module except for the following:
Maximum output level 0dB SACD (Normal) / +3.1dB SACD (Hot)
Absolute gain accuracy ±0.1dB
THD+N (997Hz, -1dBFS) -103dB (0.0007%)
Dynamic range (997Hz, -60dBFS) 110dB
Frequency response -0.05dB: 10Hz…35kHz
-3dB: 3.9Hz…42kHz
DSD to PCM Performance
Maximum input level 0dB SACD (Normal) / +3.1dB SACD (Hot)
Absolute gain accuracy -0.05dB
THD+N (997Hz, -1dBFs) <-126dB (0.0005%, limited by DSD input signal)
Dynamic range (997Hz, -60dBFS) >128dB (limited by DSD input signal)
Frequency response: fs=96kHz -3dB: 0Hz…41kHz
Frequency response: fs=88.2kHz -3dB: 0Hz…38.5kHz
Frequency response: fs=48kHz -1dB: 0Hz…22kHz
Frequency response: fs=44.1kHz -0.05dB: 0Hz…20kHz
Frequency response: fs=32kHz -0.05dB: 0Hz…14.5kHz
(PCM to) DSD to Analogue Performance
The following DSD to Analogue specifications are measured using an ADA-8 Path in PCM to DSD mode as the signal source (since no standard DSD test source is available). They are as the Analogue Line Output Module, except for the following:
Maximum input level 0dB SACD (Normal) / +3.1dB SACD (Hot)
Absolute gain accuracy ±0.1dB
THD+N (997Hz, -1dBFs) <-100dB (0.001%)
Dynamic range (997Hz, -60dBFS) >106dB
Frequency response -0.05dB: 10Hz…35kHz
-3dB: 3.9Hz…40kHz

Pro Tools|HD I/O module
Direct connection emulating 192 IO; up to 32 input and output channels can be connected to each card;

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